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Is this a fossil?


Jeremynelson1

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I live in Ottawa by starved rock and I found this and was wondering if this is a fossil ?  

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11 hours ago, Jeremynelson1 said:

I live in Ottawa by starved rock and I found this and was wondering if this is a fossil ?  

IMG_5270.jpeg

 

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Cool rocks!

First specimen Im not sure about. When you zoom in there is definitely some type of crystallization going on but I cant tell if there is something there thats organic or its purely mineralogic. There is an interesting long thin line that seems a little out of place and I highlighted with a red arrow that I wonder about and cant explain. I suppose that could be a mineral trace but I'm not sure. 

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The other photo with the two specimens appear to be concretions of some kind...not fossils. Outside chance there might be something within. 

 

Regards, Chris 

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11 hours ago, Jeremynelson1 said:

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This looks to be a split concretion with no obvious fossil within. 

Regards, Chris

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11 hours ago, Jeremynelson1 said:

Petrified wood and fossil shell in rock 

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Definitely fossil remains of either brachiopods or bivalves. Nice!

Not sure about the other two specimens from these images...could be wood I suppose...hard to tell.  

 

Regards, Chris 

 

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