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MacKenzie Smith posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy Could be a brachiopod cast.
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MacKenzie Smith posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy Sorry, that’s modern lichen growing on a rock.
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Matthew Gramling posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy cherty crinoidal limestone from the Boone Formation pending this was also found in Harrison, AR.
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Matthew Gramling posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy This is most likely crinoid columnal or horn coral calyx.
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Matthew Gramling posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy Looks like crinoidal limestone with plenty of external molds. Nice find!
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Matthew Gramling posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy Looks like a limestone concretion.
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Matthew Gramling posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months agoGreetings @mary-judy ! This appears to be a concretion probably of sandstone. Unfortunately, that means it’s not a fossil but it is a cool rock.
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MacKenzie Smith posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy for the age we would need to know what city it was found near.
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MacKenzie Smith posted a new activity comment 2 years, 5 months ago
2 years, 5 months ago2 years, 5 months ago@mary-judy It’s a brachiopod valve.