L-534 (Flint Ridge Chert): Collection from archaeological context. Collection includes raw material, outer surface, surrounding matrix, archaeological specimens, and naturally-weathered specimens.

Several billion years ago, the oceans were probably not as hot as often assumed, but were instead at much more moderate temperatures. This is the conclusion of a research team from the University of ...

The ancient American Indian cultures living in Ohio had access to a number of sources of high-quality flint, which they used to craft many of their most important kinds of tools, including spear ...

L-521 (Flint Ridge Chert): Not a direct collection from outcrop. Provenience includes float/residuum. Collection from archaeological context. Unknown collection procedure. Collection includes raw ...