Point Reyes National Seashore
This sea-cave is in the Santa Margarita Sandstone at Double Point. Note the round limestone concretion in the rock on the left-hand side of the image. At the person's left elbow is a dark layer of oil-impregnated sandstone.
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The URL of this page is: https://gotbooks.miracosta.edu/gonp/pore/html2/pore00108.htm
Last modified: 1/18/2011