Primitive Worlds is a fossil company in Rochester, New York that appears to run a private quarry that harvest and sell Rochester Shale ...

Just finished reading Uranium: War, Energy, and the Rock that Shaped the World by Tom Zoellner (Viking,2009). The book illuminates va...

This unidentified clam fossil found in the Waldron Shale of Clark County, Indiana.  The fossil is about 1 cm wide and 1.5 cm long. Fossil ...