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Quartzite? (Pic heavy)

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tattoo dave:
Nice work!

Tattoo Dave

Hummingbird Point:
Not quartzite.  A grainy form of Bayport chert?

Keith

clewis:

--- Quote from: Hummingbird Point on March 12, 2017, 03:21:14 pm ---Not quartzite.  A grainy form of Bayport chert?

Keith

--- End quote ---

Not sure about Bayport chert but I collected it from Manitoulin Island if that helps, one thing I am certain of though as rough as it is its free :)

Hummingbird Point:
I do think it is a chert of some kind.  As you say, as long as it's free and knaps, who cares, let the geologist hang a tag on it.  With the glaciers having moved so much rock around, you never know what might turn up in Michigan. Some examples of Bayport chert shown below, if anyone is curious. 

https://hsscarchaeology.wordpress.com/tag/middle-archaic/

Hummingbird Point:
Clewis,

Sorry, wasn't paying attention.  When you mentioned Lake Huron my mind immediately went to Port Huron, since about a million years ago I had a friend from there.  I see you are talking about a site on the Ontario side and north of Port Huron.  I certainly wasn't trying to cheat Canada out of half the lake!  :D

I still think there may be some association between the Bayport chert and what you found, but not sure geologically how.

Keith

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