jacobrhea
off to a rocking start
Member since November 2017
Posts: 12
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Post by jacobrhea on Apr 10, 2021 19:16:25 GMT -5
Found this in West Texas, 40 miles East of Fort Stockton. Does anyone know what it is?
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,455
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Post by Sabre52 on Apr 10, 2021 20:45:31 GMT -5
That's a very fine grained rhyolite similar to wonderstone or the material found at the Goldfield Gem claims in Nevada. Found pretty often in the Rio Grande / Uvalde Gravels and most likely transported there from the region around the Stillwell Rch where there are several rhyolite deposits.h
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jacobrhea
off to a rocking start
Member since November 2017
Posts: 12
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Post by jacobrhea on Apr 10, 2021 21:55:45 GMT -5
That's a very fine grained rhyolite similar to wonderstone or the material found at the Goldfield Gem claims in Nevada. Found pretty often in the Rio Grande / Uvalde Gravels and most likely transported there from the region around the Stillwell Rch where there are several rhyolite deposits.h Thanks for the info, I really appreciate the detail.
I'm hoping to find some more of it next time I go rockhounding. It's one of the more interesting rocks I've found out there.
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wpotterw
spending too much on rocks
Member since September 2016
Posts: 415
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Post by wpotterw on Apr 11, 2021 7:03:01 GMT -5
Found this in West Texas, 40 miles East of Fort Stockton. Does anyone know what it is? It looks like Alibates Flint, but that site is pretty far north of where you found it.
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