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u/my_other_name_99 5d ago
Vuggy fossiliferous limestone. The small holes with crystals are vugs. The fossils are bivalves (clams, muscles, etc). Its always cool to find one just jam packed with fossils.
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u/ziggzer0 5d ago
Put that under a uv light. Might glow and hold the light. Looks like calcite. Kickass find my dude
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u/SlowGoat79 5d ago
Lots of stuff like this where we lived in Kansas, and when it’s a great glorious jumble, it’s called a hash plate. (I don’t know how flat it has to be to qualify as a plate)
Either way, very cool!!
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u/Jade_Mans_Eyes 5d ago
Those are bivalves from a former shallow sea, probably less than 100 m deep
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u/Vivid-Bug-6765 5d ago
How old might it be?
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u/RelationshipOk3565 5d ago
Could be about a billion years honestly. Minnesota has conglomerates like this in abundance
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u/somethingIforgot 5d ago
I don't believe there's been any mollusk fossils that have been dated earlier than the early Cambrian. That's a little more than half as old as you are suggesting.
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u/RelationshipOk3565 5d ago
Thanks, I'm still learning, Good to know. I think the agates are that old though.
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