mjcdv2024-9

Thu, 29 Feb 2024 14:44:24 -0800

Bivalves in a member just above the Round Mountain silt. Students were looking for Shark teeth in the 15.2 to 15.9Ma Round Mountain Silt bonebed that was created when this part of the valley was a bay shelf where the currents prevented deposition of sediments, but collected and condensed bones for several hundred thousand years!