lunker
Cave Dweller
Member since April 2021
Posts: 430
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Post by lunker on Jul 22, 2021 22:36:23 GMT -5
Does anyone have any ideas what this is. It seems pretty hard. Found along the lower Yellowstone river. I'm going to cut it when I get a chance. I will try to post pictures of the slabs after
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Post by amygdule on Jul 22, 2021 23:18:50 GMT -5
Very Cool rock Maybe a Stromatolite
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Post by jasoninsd on Jul 22, 2021 23:37:34 GMT -5
Yep. That one stood out in your other thread...I guessed Stromatolite over there...so I'm going to guess the same thing here! LOL
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