ID Ohio Chert

uniface

Silver Member
Jun 4, 2009
3,216
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Central Pennsylvania
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Is this Flintridge or Coshocton ? I've seen knowledgeable people call it both.

Flintridge Mini-Platter.jpg
 

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justonemore

Sr. Member
Oct 31, 2011
375
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Indiana
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Flintridge and it can be quite colorful.
Coshocton typical run black or greyish sometimes with white veins and even brown or yellowish veins.
 

dirstscratcher

Full Member
Mar 8, 2019
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N.C. Ohio
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That one would be hard to tell with out seeing it first hand, and maybe even then without certainty. I have some pieces from a cache that are more white than gray and my archy friend says Coshocton.
 

Nwohseeker

Full Member
May 13, 2015
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Nw ohio
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Nellie blue/upper Mercer is my guess. The bottom right corner in your pic shows darker material than the older surfaces. From the few pieces I have in coshocton or zaleski they stay black. I've seen pics of Nellie that are now gray. The problem here in Ohio is there's so many native Cherts and others transported here.
 

Buckleberry

Hero Member
Sep 4, 2010
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799
Tough call, seen a ton of Coshocton, I hunt the county...but the high quality of silica content in there makes me think Flint ridge as well.
 

The Grim Reaper

Gold Member
Apr 3, 2008
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Southern Ohio
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Nellie blue/upper Mercer is my guess. The bottom right corner in your pic shows darker material than the older surfaces. From the few pieces I have in coshocton or zaleski they stay black. I've seen pics of Nellie that are now gray. The problem here in Ohio is there's so many native Cherts and others transported here.

I believe he is correct.
 

Nwohseeker

Full Member
May 13, 2015
119
202
Nw ohio
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holy moly grim thinks I'm correct, I take that as an honor. I apologize for a previous post that I still believe in, but may not have come across correctly although I stand by it. But I want to start contributing here because I read every day and enjoy this site and would like to share and have questions on some of my finds.
 

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