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brandon tibbetts

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Wanting to see if this is a Coprolite thank you. It is about two inches long and found in Arizona

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I have to repeat vincent's question... why do you think it is a coprolite and not an ordinary river tumbled rock? 

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9 minutes ago, brandon tibbetts said:

Does anyone see the fossil

 

 

No fossil present. Just a different mineral inclusion in the pebble.

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7 hours ago, jpc said:

I have to repeat vincent's question... why do you think it is a coprolite and not an ordinary river tumbled rock? 

 

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On 2/22/2024 at 9:46 AM, vincentB said:

Wby do you think it is a coprolite?

 

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Still just a rock, Brandon.  :(

    Tim    -  VETERAN SHALE SPLITTER

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"In every walk with nature one receives far more than he seeks."

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41 minutes ago, Fossildude19 said:

Still just a rock, Brandon.  :(

You don’t see the fossil? And inclusions? Have u zoomed in?

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8 hours ago, Fossildude19 said:

 

 

No fossil present. Just a different mineral inclusion in the pebble.

As fossildude said it’s just a different mineral in an ordinary pebble….sorry

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8 hours ago, jpc said:

I have to repeat vincent's question... why do you think it is a coprolite and not an ordinary river tumbled rock? 

We were looking for an explanation (such as what coprolite features you think are present), not just more pictures. :Wink1:

 

Sorry, I agree with the others...just a rock.

Fin Lover

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Where is it from? What formation? Does it scratch when a metal blade goes against it?
 

The large dark rounded structure looks like a fossil such as a bryozoan. Even see a couple of rounded things that might be crinoid stems. 


Sort of reminds me of a piece of Kaibab Fm. chert, but we need more info.

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15 hours ago, brandon tibbetts said:

 

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Because I didn’t find it in the river, and it was found searching for blue agate in a hidden canyon in Arizona. And due to the burrow holes and multiple bone fragments and the shape. But thank you for your positive feedback

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Yes, I think there is a worn fossil in that inclusion, maybe bryozoan as suggested.  But no reason to think it is a coprolite.  A worn pebble with a small amount of fossil inclusion.  And Arizona is a big state with varied geology, so more specific location info might help.

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The only bryozoan and crinoid predator big enough to produce a coprolite that large would be a fish, and that is not anything like the shape of a fish coprolite. Most fish would not be able to pass a chunk of bryozoan that large, at least not the type of fish that fed on them.

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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