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DeeMoji

Nature's tie dye?

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DeeMoji

So I found this pretty rock and felt the need to bring it home. 

Can anyone tell me why it formed like that? 

0C7631FD-8842-4B3F-BF58-CFA364899CB1.jpeg

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DeeMoji

I found it in the whiskey bridge area of the Brazos. (I forgot to mention it above, sorry :doh!: )

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daves64

Looks like the cross section of a concretion to me. Layers of different minerals built up, much like a banded agate or geode.

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Rockwood

It could be an example of liesegang banding. I have seen several examples that I've been undecided about calling layered concretion or liesegang banding. I suspect that in many cases it could be a combination of the two processes.

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Ludwigia

Please try to post a sharper photo with higher resolution, then it would be easier for us to judge this object.

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DeeMoji
7 hours ago, Ludwigia said:

Please try to post a sharper photo with higher resolution, then it would be easier for us to judge this object.

Sorry @Ludwigia , I will try when I’m home. I only have my phone to take pictures with. 

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