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Found this in southern Idaho


Adventurerlikeyou

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Adventurerlikeyou

Found in a river bed at an elevation of 6,200 to 6,100 in owyhee county, Idaho. No known formation not sure if it's bark or what it is. Thanks ahead of time

20181015_144740.jpg

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has the look of cliona fillings left behind after dissolution of a thin shell. This is a wild guess but thought the post needed a bump.

 

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The orange in this rock is limonite, which we have a lot of around here. It makes the fossils hard to identify unfortunately.  In my experience they seem to be broken down a bit more from the presence of this mineral?  Anyways, I have no knowledge of your area but the lines towards the bottom of your pic looks like bits of calamites to me.  Do you know if your area is carboniferous?

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