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Septarian Gastropod

mikeymig

By mikeymig
in General Fossil Discussion

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mikeymig Regular Member

mikeymig

Posted
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I found this "septarian gastropod" (Platyceras sp. Mississippian, Edwardsville Formation, Crawfordsville, Indiana, USA) at the MAPS show this past weekend. When I saw it I couldn't say no. It looks like a snail cone overstuffed with gypsum. I've found fossils like this before in the Silurian shales of NY but they weren't this large or nice. Post similar mineral exploding fossils if you want. 

Thanks

 

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Many times I've wondered how much there is to know.  
led zeppelin

 

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Miocene_Mason Regular Member

Miocene_Mason

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That looks really cool! Nice buy:dinothumb:

unfortunately, my only exploded fossils are the ones I’ve tried to prep:wacko:

“...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin

Happy hunting,

Mason

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Shamalama Regular Member

Shamalama

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Nice piece! Not often those expanded, geodized fossils are identifiable. Most times it's just a blob.

-Dave

__________________________________________________

Geologists on the whole are inconsistent drivers. When a roadcut presents itself, they tend to lurch and weave. To them, the roadcut is a portal, a fragment of a regional story, a proscenium arch that leads their imaginations into the earth and through the surrounding terrain. - John McPhee

If I'm going to drive safely, I can't do geology. - John McPhee

Check out my Blog for more fossils I've found: http://viewsofthemahantango.blogspot.com/

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RJB Regular Member

RJB

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Is this really a gastropod?  Looks like I can see the beak of a polecopod?  Or is that the apex of a snail?  Really cool though.

 

RB

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Shamalama Regular Member

Shamalama

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22 hours ago, RJB said:

Is this really a gastropod?  Looks like I can see the beak of a polecopod?  Or is that the apex of a snail?  Really cool though.

 

RB

Correct, that is the Apex of the shell. 

-Dave

__________________________________________________

Geologists on the whole are inconsistent drivers. When a roadcut presents itself, they tend to lurch and weave. To them, the roadcut is a portal, a fragment of a regional story, a proscenium arch that leads their imaginations into the earth and through the surrounding terrain. - John McPhee

If I'm going to drive safely, I can't do geology. - John McPhee

Check out my Blog for more fossils I've found: http://viewsofthemahantango.blogspot.com/

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