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Napoleon North

Jurassic coprolite?

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Napoleon North

Hi 

 

This is maybe coprolite?
Age:Jurassic , Oxfordian

Location: Jasna Cave , Kraków , Southern Poland

This specimen is incomplete .

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GeschWhat

It looks like it could be. I don't see any inclusions, but the shape is right. If it sticks to your tongue, and the surrounding matrix does not, I would say yes. If you don't like the idea of touching the tip of your tongue to it, you can try wetting your fingers and touching it to see if it feels sticky. Not nearly as fun, but it works too!

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Napoleon North
3 hours ago, GeschWhat said:

It looks like it could be. I don't see any inclusions, but the shape is right. If it sticks to your tongue, and the surrounding matrix does not, I would say yes. If you don't like the idea of touching the tip of your tongue to it, you can try wetting your fingers and touching it to see if it feels sticky. Not nearly as fun, but it works too!

Ok 

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GeschWhat

It looks like it could be a spiral coprolite.

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Napoleon North

Here I stuck the pieces that I managed to save.

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abyssunder

It could be a coprolite, also a sponge, infilled burrow or speleothem. I suppose it was found in a carst region. It's hard to see the surface texture without a high-res image. For comparative reason, here is an elongated sponge.

 

IMG_0177.JPG.631cdc0af9858d40fbc87df28cb33872.thumb.JPG.604381f2f31b2d26bdc843ef4d1994f1.JPGsp005a__85033.1435951122_900_900.thumb.jpg.69ffad589c2db26f9239c4cd58f870c8.jpg

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GeschWhat

You never said if it or the matrix sticks.

 

@abyssunderyet another reason for my new found fascination with sponges!

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