Alamos Tonalite
- Upper Jurassic
Alegria Formation
-Oligocene
Anita Shale
-Paleoc/eoc
Bedford Canyon Formation
-Jurassic
Blanca Formation
-Miocene
Branch Canyon Sandstone
-Miocene
Cachuma Formation
-Cretaceous
Calabasas Formation
-Miocene
Caliente Formation
-Miocene
Ca¤ada Formation
-Eocene
Capistrano Formation
-Mio/Plio
Careaga Sandstone
-Pliocene
Casitas Formation
-Pleistocene
Castaic Formation
-Miocene
Catalina Schist
-Cretaceous
Chatsworth Formation
-Cretaceous
"Chico" Formation
-Cretaceous
Coal Canyon Formation
-Paleocene
Coldwater Sandstone
-Eocene
Conejo Volcanics
-Miocene
Cozy Dell Shale
-Eocene
"Domengene" Formation
-Eocene
Echo Formation
-
Espada Formation
-Cretaceous
Fernando Formation
-Pliocene
Foxen Mudstone/Claystone
-Pliocene
Franciscan Assemblage
-Jurassic
Gaviota Formation
-Eocene
Honda Shale
-
Hungry Valley Formation
-Pliocene
Hurricane Deck Formation
-Miocene
Jalama Formation
-Cretaceous
Jolla Vieja Formation
-Eocene
Josephine Granodiorite
-Cretaceous
Juncal Formation
-Eocene
La Habra Formation
-Pleistocene
Ladd Formation
-Cretaceous
Las Posas Sandstone
-Plio/Pleist
Llajas Formation
-Eocene
Lomita Marl
-Pleistocene
Los Virgenes Sandstone
-Paleocene
Lospe Formation
-Oligocene
"Martinez" Formation
-Paleocene
Matilija Sandstone
-Eocene
Mendenhall Gneiss
-Precambrian
Mint Canyon Formation
-Miocene
Modelo Mudstone
-Miocene
Monterey Shale
-Miocene
Morales Formation
-Plio/Pleist
Mount Lowe Granodiorite
-Perm/Trias
Mudpit Clay
-Pliocene
Olcese Sandstone
-Miocene
Orcutt Sandstone
-Pleistocene
Pacoima Formation
-Pleistocene
Paso Robles Formation
-Plio/Pleist
Pattiway Formation
-Paleocene
Peace Valley Formation
-Miocene
Pelona Schist
-Jurassic
Pico Formation
-Pliocene
Placerita Series
-Cretaceous?
Pleito Formation
-Oligocene
Plush Ranch Formation
-Oligo/Mio
Point Sal Formation
-Miocene
Point Sal Ophiolite
-Jurassic
Potato Harbor Formation
-Plio/Pleist
Poway Formation
-Eocene
Pozo Formation
-Paleocene
Puente Formation
-Miocene
Quatal Formation
-Pliocene
"Repetto" Formation
-Pliocene
Ridge Route Formation
-Miocene
Rincon Shale
-Miocene
Round Mountain Siltstone
-Miocene
Rubio Diorite
-Cretaceous
Sacate Formation
-Eocene
San Emigdio Formation
-Eocene
San Francisquito Formation
-Paleocene
San Miguel Volcanics
-Oligo/Mio
San Onofre Breccia
-Miocene
San Pedro Sandstone
-Pleistocene
Santa Barbara Formation
-Plio/Pleist
Santa Cruz Island Schist
-Jurassic
Santa Cruz Island Volcanics
-Miocene
Santa Margarita Sandstone
-Miocene
Santa Monica Slate
-Jurassic
Santa Susana Formation
-Paleocene
Santiago Formation
-Eocene
Santiago Peak Volcanics
-Cretaceous
Saugus Formation
-Plio/Pleist
Sespe Formation
-Oligocene
Sierra Blanca Limestone
-Eocene
Silverado Formation
-Paleocene
Simi Conglomerate
-Cretaceous
Simmler Formation
-Oligocene
Sisquoc Formation
-Miocene
South Point Formation
-Eocene
Tecuta Formation
-Oligocene
Tejon Formation
-Eocene
Temblor Sandstone
-Miocene
Tequepis Sandstone
-
Tick Canyon Formation
-Miocene
Timms Point Siltstone
-Pleistocene
Topanga Formation
-Miocene
Towsley Formation
-Mio/Plio
Trabuco Formation
-Cretaceous
Trancas Formation
-Miocene
Tranquillon Volcanics
-Miocene
Tulare Formation
-Pleistocene
Tuna Canyon Formation
-Cretaceous
Vaqueros Sandstone
-Miocene
Vasquez Formation
-Oligo/Mio
Vedder Sandstone
-Oligocene
Vedder Mountain Stock
-Cretaceous
Violin Breccia
-Miocene
Williams Formation
-Cretaceous
Willows Diorite
-Jurassic
Wilson Diorite
-Cretaceous
Zuma Volcanics
-Miocene