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Showing results for tags 'cobble'.
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I've reached out to the state geological survey and a couple gem clubs without luck but need help in identifying this rock. Any help would be great. The rock is much lighter than it looks and seems to be fairly fragile.
- 9 replies
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- cobble
- missouri river
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I have found a few examples like this. Mostly in road cuts located near the military range. Different kinds of minerals have formed the same designs. This cobble is the largest. I am relatively sure that it came to Yuma from elsewhere in the ancient Colorado Rivers wanderings. Ideas??
- 8 replies
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- ancient river bed
- cobble
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