Sandstone with sand dollars

Sandstone sand dollars

Sandstone with fossil sand dollars

Biogenous and lithogenous sedimentary rock. This sample is composed almost entirely of fossil sand dollars imbedded in sandstone. Sand dollar communities like the one shown in this sample live in shallow offshore sandbar settings. This sample comes for the Miocene-age Santa Margarita Formation in the Santa Cruz County area, California. 2/2/2021