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Carboniferous Petrified wood for ID (Araucaria?..)


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Svetlana

Hello.
From a recent trip to the Perm-Carboniferous petrified wood, we brought back some very interesting fragments; nothing like this has come across before.
Usually we find fragments of wood (chips), without knots, without a pronounced structure - just highly silicified, indeterminate fragments. But while this trip from a small area (just a couple of square meters), we collected several interesting fragments.
This is a solid piece of the trunk with knots located at the same level. 7 knots.

 

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Another similar fragment, but split lengthwise. There are only 3 knots left, but a cavity with smoky quartz crystals has opened.

 

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I want to identify these findings. Having looked at the photographs and drawings, which depict Araucaria, I saw that the branches of this tree are arranged in "layers", i.e. on the same level. Why did I take Araucaria as a basis - in some literature, local layers are called Araucarian.
I would be glad to receive any information.
By the way, I have a similar trunk with knots on the same level - but it is from the Paleogene; much better preserved, replaced by chalcedony, and has 5 knots.

 

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Svetlana

More fragments of Carboniferous petrified wood with knots.

 

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Svetlana
On 6/2/2021 at 5:30 AM, Stan said:

I have no idea but these are awesome! 

Thank you, Stan

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