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early trias invertebrae in shale


Kali

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Hi,

   First of all let me say Hello :). This is my first time on fossil forum.

   I found what I think is some kind of invertebrae fossil. It was in early triassic shale. Could you help to identify please?

   I know it might be difficult because it is so many of invertebrae species.

 

   Unfortunately this image is not of the best quality. Sorry for that.

 

             Thanks,

 

                        Kali

IMG_20240918_123212.jpg

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I see several gastropod steinkerns.

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Thank you very much :). Do you think it might be worth to break up the stone to get them out?

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It depends some on how thick the stone is. You might expose more detail, but I wouldn't expect to get complete specimens. 

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Hello neighbor, welcome to TFF from Austria!

 

1 hour ago, Kali said:

Do you think it might be worth to break up the stone to get them out?

No. This will ruin the specimen, which is nice the way it is.

Go and try to find more, already "prepped" by nature.

And I don´t think this is shale, this looks more like limestone.

Any chance to give us a formation name?

Franz Bernhard

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It does look like limestone, and it is likely that fine complete steinkerns can be found in the area.

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it is the area were the both limestone and shale is present. Early triassic shale is underlying late triassic limestone karst.

I have no education in this area but this is what local geological maps/sources are saying.

The sources also saying that area is very rich for fossils, but majority I found was very nonspecific shapes, probably parts of plants etc.

So in reality the area of shale is mixed with limestone which eroded downhill to lower levels. It is the area of Slovak Karst national park, South east of Slovakia.

Thak you very much for answers. I also had the feeling that this is more beautiful when the whole cluster is together in one rock.

Edited by Kali
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it does not look like typical white or gray lime stone  which is present in the area. Looks more like something in between shale and lime. There is also marlstone in the area acording

to local geological sources, so I wonder if this could be it.

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Marlstone is indeed also a good possibility.

 

Would you like to give us few names of fossils mentioned in the literature in that area?

 

Have you stumbled over names like "Werfen", "Wetterstein", "Dachstein" or "Hallstatt" in your literature?

 

Franz Bernhar

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I did not do more detailed research yet. The geological maps says "rich on Fossils" but does not specify. Maybe if I found some paleontological source there would be more details.

Yes, Werfen white rif Lime is the top layer. Above shale and marlstone layer. This Werfen layer was separated and  traveling on top of this shale layer but I don't know in which period exactly. There exist also couple of different opinions on the direction of this travel in scientific community.

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