San Luis Reservoir 11/19/22

San Luis Reservoir. Down a few quarts. Our first stop of the day was at the largest off-river reservoir in the country. We were here to check out the Panoche…
A lone cottonwood grows on the sandstones and conglomerates of teh Panoche formation. The tree's size is an indication of just how long the water has been below…
These epic conglomerates were deposited in the deep forearc basin of what is now California's central valley. 80 million years ago, the area was on the shoals…
Conglomerates and sandstones. These cobbles are made up of the extrusive volcanic rock andesite (R) and the intrusive igneous granitic rock (L). There is also a…
Conglomerates and sandstones.
Conglomerate on the left and steeply-dipping sandstones and shales on the right. Gee, I wonder what might have caused this to happen?
Conglomerate on the right and steeply-dipping sandstones and shales on the left. Whose fault was this? Here's a 3D scan of the outcrop.…

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