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Mykkhul97

Is this stromatolite or a fossil?

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Mykkhul97

20181223_132519.thumb.jpg.f817873fa3c73e7b84cec6819448a594.jpgIs this stromatolite or a fossil? 

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Tidgy's Dad

Just a patterned rock, I think, but a clearer photo might change my mind. 

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Mykkhul97

I hope this is better. Doesnt look like a regular rock.

20181223_135714~2.jpg

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JohnBrewer

Mr Mineral @ynot

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UtahFossilHunter
17 minutes ago, Tidgy's Dad said:

Just a patterned rock, I think, but a clearer photo might change my mind. 

With that clearer picture it is definitely not just a patterened rock:ighappy:

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UtahFossilHunter

To me, it looks reminiscent of Bauxite but not quite exactly

 

 

D2BB5298-53E6-43C0-B037-66B88BEC822F.jpeg

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Tidgy's Dad
18 minutes ago, UtahFossilHunter said:

With that clearer picture it is definitely not just a patterened rock:ighappy:

Indeed! 

Actually looks like bone or wood in places. 

@Mykkhul97 any idea where it's from? 

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Bobby Rico

I think polished dinosaur bone too

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Mykkhul97

South Dakota area along with this and a whole tub of slabbed pieces

20181223_132703.jpg

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Recker

I can't help with the id but Wowza, that is beautiful!!!

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abyssunder

The latter, reminds me of " Turritella agate . ;)

 

The correct name is " Elimia Agate ". (agatized fossils of the freshwater snail, Elimia tenera.)

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Tidgy's Dad
6 minutes ago, Mykkhul97 said:

South Dakota area along with this and a whole tub of slabbed pieces

 

Wow! That's beautiful. 

Gastropods. 

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Mykkhul97
7 minutes ago, Recker said:

I can't help with the id but Wowza, that is beautiful!!!

Thank you!

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abyssunder
4 minutes ago, Tidgy's Dad said:

Yup, here's some Elimia. (not in the agate!) 

Really nice ones! Are they yours, Adam?

...........

more information here

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Scylla

Agree with bone on the first one. By the way, stromatolites are usually fossils. 

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Tidgy's Dad
Just now, abyssunder said:

Really nice ones! Are they yours, Adam?

...........

more information here

Indeed they are!:wub:

But I should have given credit to the delightful Doren @caldigger for having sent them to me. 

I do have a piece or two of the tumbled agate too, my name being A.Gate and all. 

But no photo just now. 

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ynot
1 hour ago, JohnBrewer said:

Mr Mineral @ynot

I agree with the dino bone and turritella agate IDs.

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abyssunder
5 minutes ago, Tidgy's Dad said:

Indeed they are!:wub:

But I should have given credit to the delightful Doren @caldigger for having sent them to me. 

I do have a piece or two of the tumbled agate too, my name being A.Gate and all. 

But no photo just now. 

:dinothumb:

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Herb

very cool pieces :dinothumb:

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Johannes
14 hours ago, Scylla said:

 By the way, stromatolites are usually fossils. 

 

I guess there are tracefossils (biogenic induced sedimentary structures (= same structures can be made by different organisms, and different structures can be made by the same organisms, depending on habitat parameters); parataxonomy, etc. pp.) ;)

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