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Author Topic: Chert??  (Read 1771 times)

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Offline Stalkingfox

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  • Not all those who wander lost. _J.R.R. Tolkien
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Chert??
« on: September 04, 2018, 07:55:27 pm »
I live in Iowa and remember reading somewhere that Iowa flint was black in color and thought this stuff may be Chert?
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Offline mullet

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Re: Chert??
« Reply #1 on: September 04, 2018, 08:02:58 pm »
Looks like slate, basalt or neiss. Not sure about the spelling. James Parker rock.
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Offline Stalkingfox

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  • Not all those who wander lost. _J.R.R. Tolkien
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Re: Chert??
« Reply #2 on: September 04, 2018, 09:49:29 pm »
It doesn't make a good sound, I'm trying hard to search for a good source. It sounds like rock, not glass like.
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Offline Zuma

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Re: Chert??
« Reply #3 on: September 05, 2018, 08:51:37 am »
You need to smack it. A copper hammer is best. If it shatters or crumbles move on.
Do you know what conchodal fracture looks like?
Zuma
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If you are a good detective the past is at your feet. The future belongs to Faith.
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