Upper Mercer flint

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. To create stone tools, flint was heated to make chipping away at the stone easier, and then the flint was chipped to form razor-sharp edges. Resulting tools included spearheads, scrapers, knives, and arrows.[1]

Upper Mercer flint, Nellie West Outcrop, Coshocton County, Ohio
Weathered chert from the Upper Mercer flint, Nellie West Outcrop, Coshocton County, Ohio

Ohio flint is found between layers of Cambridge Limestone and Brassfield Limestone.[1] It was deposited during the Paleozoic Era in the seas that covered what is now Ohio.[1] Other deposits can be found in soil moved by glaciers,[1] in glacial till or as erratics.

Welling Site, an Upper Mercer flint quarry,[2] is located on the eastern boundary of the town of Nellie in the Walhonding River Valley. It is 14 miles below the glacial boundary in the unglaciated Allegheny Plateau.[2] The hills on either side of the valley are composed of bedrock of the Upper Mercer and Pottsville series.[2]

The use of Upper Mercer flint by prehistoric people was first reported in 1945.[2] The quality of the material used to make tools was important in the ability of prehistory and Native American people to thrive and they would travel hundreds of miles to quarry flint to create or replace tools.[1] Tools made from Upper Mercer flint during the Paleo-Indian period were found in what is now Michigan[3] and West Virginia.[4] Tools made from Upper Mercer flint during the Archaic period has been found over multiple states including eastern Indiana, southern Michigan, southern Ontario, western Pennsylvania, and Ohio. It was used most extensively in north-central Ohio.[5]

Early European settlers used to grind grain and used for flintlock guns, fire starters, and buhrstones. The state's official gemstone, it is used now for jewelry.[1] Other quarries used by prehistoric people to gather flint in the state include Flint Ridge, a six mile deposit of Pennsylvanian-age Vanport flint that spanned western Muskingum and eastern Licking Counties, and Zaleski flint in Vinton and Jackson Counties.[1]

References
  1. "Flint - Ohio History Central". Ohio History Central. Retrieved January 29, 2020.
  2. Blank, John Edward (Winter 1970). "The Archaic Component of the Welling Site, 33 Co-3, Coshocton County, Ohio (download)". Ohio Archaeologist. 20 (4): 269–283.
  3. "Saginaw Valley Archaeology - The Castle Museum of Saginaw County". The Castle Museum. Retrieved January 29, 2020.
  4. Mohney, Kenneth W.; Sobota, Renee (2003). "Insights into Panhandle Archaic Technology at the East Steubenville Site (46BR31): A Late Archaic Site in the Northern Panhandle of West Virginia" (PDF). West Virginia Department of Arts, Culture and History. Retrieved January 29, 2020.
  5. Emerson, Thomas E.; McElrath, Dale L.; Fortier, Andrew C. (2012-02-01). Archaic Societies: Diversity and Complexity across the Midcontinent. SUNY Press. p. 571. ISBN 978-1-4384-2700-3.

Further reading
  • G. Logan Miller, Michelle R. Bebber, Ashley Rutkoski, Richard Haythorn, Matthew T. Boulanger, Briggs Buchanan, Jennifer Bush, C. Owen Lovejoy & Metin I. Eren (2019) "Hunter-gatherer gatherings: stone-tool microwear from the Welling Site (33-Co-2), Ohio, U.S.A. supports Clovis use of outcrop-related base camps during the Pleistocene Peopling of the Americas," World Archaeology, 51:1, 47-75, DOI: 10.1080/00438243.2018.1461128
  • Bowen, Jonathan E (1994). Upper Mercer flint Large Bifurcates of the Ohio region. Sandusky Valley Chapter, Archaeological Society of Ohio. ASIN B0006QCJ52.
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