Most of the beds in this exposure of the Vasquez Formation are river deposits. Although the thicker bed in the upper left with the pebbles scattered throughout is a small debris flow, the beds below it containing pebbles show that the pebbles are concentrated at the bottom of the bed. This feature is the result of waning traction current deposition by rivers.
| |
Go to the next photo.
| Return to the GeoTrek IV-K page. | |