Sandstone fossils


Fossiliferous sandstone

Fossiliferous sandstone

Biogenous and lithogenous sedimentary rock.
This sample is clam-shell hash imbedded in a sandstone matrix (mostly clams, but contains other coastal shell fossils as well). This sample came from beach gravel deposit below cliffs of Pliocene-age Purisuma Formation in Capitola, Santa Cruz County, California.

https://gotbooks.miracosta.edu/rocks/sedimentary/0.html

2/2/2021