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Plowboy1270

Need help identifying

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Plowboy1270

 

B362028F-1B91-4218-911D-6237DCCD6DD3.jpeg

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Plowboy1270

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Plowboy1270

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minnbuckeye

Chert Nodule???? Unfortunately not a fossil. These chert concretions are quite common in certain layers in SE Minnesota and NE Iowa where I hunt

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Plowboy1270

Found this in some rip rap in jasper co. Iowa.  Any help in identifying would be appreciated.

 

thanks

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Rockwood
2 minutes ago, minnbuckeye said:

Chert Nodule???? Unfortunately not a fossil.

Close look at center ?

Looks like something porous.

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minnbuckeye

I looked up Jasper County. It is likely Devonian, not Ordovician as is the rock in NE Iowa. With that said, I do  hunt in a few quarries just east of you. There is a few layers with such structures in them too. I never paid too much attention to whether they were chert like.

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Ludwigia

Concretion. Not fossil. Not bone. Just stone.

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minnbuckeye

I just checked the quarry geology. Chalcedony nodules and chert are  frequently found in certain formations
(Wapsipinicon).

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Mark Kmiecik
1 hour ago, Rockwood said:

Close look at center ?

Looks like something porous.

This photo allows magnification if you click on it. To me it looks more like grains than pores.

 

Specimen looks geological to me.

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ynot

I agree with a silicate concretion/nodule.

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Plowboy1270

Thanks for everyone’s input.  It just seemed out of the norm so I had to ask.

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FossilNerd
1 hour ago, Plowboy1270 said:

Thanks for everyone’s input.  It just seemed out of the norm so I had to ask.

Always good to ask! We all like seeing new things and trying to identify them. Even if it is “just a cool rock”. ;) 

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minnbuckeye
1 hour ago, Plowboy1270 said:

Thanks for everyone’s input.  It just seemed out of the norm so I had to ask.

@Plowboy1270, our fossil club has access to one of the quarries I referred to. If you would like to join the club and attend, let me know and I will let Marv know and count you in. There is limited spots.

 

(3) Sunday, July 28,  CVRMS field trip to Klein Quarry. Coralville, Iowa - register with Marv

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