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Showing results for tags 'liesegang rings'.
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At first I thought it might be the cross-section of petrified trunk but upon a closer inspection, I doubt it's petrified woods. It is not silicified. I wonder if it's a concretion or Liesegang rings? I don't think I have seen something like this in person before. I couldn't get it extracted because it's embedded in the bedrock.
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- concretion
- dakota formation
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- 21 replies
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- chert
- liesegang rings
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(and 1 more)
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