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Upper Mercer flint or Upper Mercer chert is a type of flint, or a pure form of chert, found in Coshocton, Hocking, and Perry counties of Ohio. Made of forms of silica and quartz , the hard and brittle stone was used by prehistoric people to make tools and weapons.
This page was last edited on 18 November 2024, at 07:49 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The Point Pleasant Formation is the oldest rock unit exposed at the surface in Ohio and formed during the Late Ordovician, outcropping along the Ohio River near Cincinnati. The formation records a transition from shallow-water limestone reef formation to a deeper water environment, marked by overlying shale and limestone, which form the ...
The Brassfield Formation, named by A.F. Foerste in 1906, is a limestone and dolomite formation exposed in Arkansas, [3] Ohio, Kentucky, Indiana, Tennessee and West Virginia in the United States. [2] It is Early Silurian (Aeronian, Llandoverian) in age and well known for its abundant echinoderms , corals and stromatoporoids . [ 4 ]
The use of Upper Mercer flint by prehistoric people was first reported in 1945. The flint was quarried and used to make stone tools. The site is 15 feet above the Walhonding River floodplain. Located between a township road and a railroad cut, the site may have been altered when a railroad line was built, particularly where Archaic tools were ...
Flint sometimes occurs in large flint fields in Jurassic or Cretaceous beds, for example, in Europe. Puzzling giant flint formations known as paramoudra and flint circles are found around Europe but especially in Norfolk, England, on the beaches at Beeston Bump and West Runton. [6] The "Ohio flint" is the official gemstone of Ohio state.
This page was last edited on 30 November 2014, at 06:23 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Download as PDF; Printable version; ... The Arnheim Formation is a geologic formation in Ohio.