Early birds chat while waiting to load the vans at the Sheraton Universal.
Gene Fritsche, with wife Sue's help, loads up some of the gear at the Sheraton Universal.
Examining the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains.
Close-up of the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains. Note the similarity between this unit and the Middle Jurassic Bedford Canyon Formation seen at Stop 18 on Day 3 of the trip.
Looking at a basaltic pillow breccia in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Gene Fritsche, with wife Sue's help, loads up some of the gear at the Sheraton Universal.
Examining the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains.
Close-up of the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains. Note the similarity between this unit and the Middle Jurassic Bedford Canyon Formation seen at Stop 18 on Day 3 of the trip.
Looking at a basaltic pillow breccia in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Examining the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains.
Close-up of the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains. Note the similarity between this unit and the Middle Jurassic Bedford Canyon Formation seen at Stop 18 on Day 3 of the trip.
Looking at a basaltic pillow breccia in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Close-up of the Upper Jurassic Santa Monica Formation at Stop 1 at Sepulveda Pass in the Santa Monica Mountains. Note the similarity between this unit and the Middle Jurassic Bedford Canyon Formation seen at Stop 18 on Day 3 of the trip.
Looking at a basaltic pillow breccia in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Looking at a basaltic pillow breccia in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Close-up of a pillow in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Gene Fritsche discusses deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Faulted deep-marine shale interbedded in the Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Close-up of a tar seep in the middle Miocene Conejo Volcanics at Stop 3 on Kanan Road in the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Peter Weigand describes middle Miocene dikes that intrude the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
A middle Miocene dike intruded into the Conejo Volcanics at Stop 4 on Kanan Road in the Santa Monica Mountains. Backpack for scale.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Gene Fritsche discusses the stratigraphic sequence at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Diagram of missing section (center column) at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Peter Weigand discusses the San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Close-up of the lower Miocene San Onofre Breccia at Stop 6 at Lechuza Point in the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Ivan Colburn describes the Paleocene succession at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Field trip participants (minus photographer Gene Fritsche) standing on the unconformable K-T boundary at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Left to right, Ivan Colburn, Sally McGill, Bill Stuart (behind Sally), Butch Trembly, Cynthia Huggins, Fred Burnett, Mike Minner, J.R. Morgan, Syrus Parvizian, Peter Weigand (listening for the anguished cries of dying dinosaurs), Marlin Dickey, Bob Beringer, Frank Denison, Pam Irvine, Carl Jacobson, and Leni Field.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Studying pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Close-up of pisolites formed by intense Paleocene weathering in the basal portions of the Las Virgenes Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Carl Jacobson photographs fossils in the Paleocene Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains. Looking on, left to right, are Marlin Dickey and Fred Burnett.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Paleocene fossils in the shallow-marine Santa Susana Formation at Stop 7 in Solstice Canyon in the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Gene Fritsche describes the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Dibblee Foundation geologic maps serve to orient the participants to the geology in the vicinity of Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Slightly angular unconformity between the underlying mudstone of the Paleocene Santa Susana Formation and the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Ripple marks in a fine sandstone bed within the basal conglomerate of the Eocene Llajas Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The ripple marks indicate and Eocene current that was north directed based on present-day geography.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.
Field trip participants examine a channel conglomerate in the upper Eocene part of the Sespe Formation at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. Two Poway clasts have been found in this roadcut, and these are the only two presently known from the Santa Monica Mountains.
Peter Weigand examines the second of the two Poway clasts that have been found in this Sespe Formation roadcut at Stop 10 on Rambla Pacifico in the Santa Monica Mountains. The two Poway clasts that have been found in this roadcut are the only two presently known from the Santa Monica Mountains.