Tortoise - Fossil Specimen power point especially when they preserve both

especially when they preserve both sharp crystals and the surrounding host rock

creating a striking natural contrast

8 billion years as is evidenced by scientific studies of their natural structure

Some A and B grade pieces even have multiple brachiopods on the same piece of shale

with broad flat faces

Tortoise - Fossil Specimen power point especially when they preserve bothMined from: White River Badlands, Brule Formation, South Dakota, U. S. A. Era: Era Cretaceous Cretaceous Geological Age: 3034 mya Description: This one of a kind tortoise fossil specimen from South Dakota, U. S. A. shows a solid section of carapace with a broad domed shape and a clear pattern of preserved scutes across the surface. The colour is a soft pale tan to light stone grey, and the natural cracking gives it the appearance of an authentic,