Old Quartz Quarry |
Old Quartz Quarry |
Dec 4 2017, 09:57 PM
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#1
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Shovel Buster! Group: Members Posts: 52 Joined: 28-June 17 From: Ken Caryl Member No.: 132,619 |
Came across this hiking this summer in the Tarryall mountains. Looked like someone blasted the side of a mountain out. Evidence of early 1900s equipment. I'm guessing they were looking for gold. I saw zero evidence of anything but white quartz (enough to build a set of furniture or even a small house out of). Anyone think there could be some topaz or something else hiding in with all that? Is it worth chipping away some?
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-------------------- James
Member Since 06/2017 Referral JB748 |
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Dec 5 2017, 12:08 AM
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#2
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Rock Bar! Group: Members Posts: 563 Joined: 13-June 15 From: South of Gunnison in Gold Basin, Saguache County Member No.: 120,659 |
We lived in teller county for a few years and I found a few of those up there too. Definitely old prospects of some kind but I only found quartz as well. It was pretty stuff but nothing else was around.
-------------------- Level 2 member -12/25/16
Referral code JL697 |
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Dec 6 2017, 10:53 AM
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#3
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Shovel Buster! Group: Members Posts: 107 Joined: 23-September 14 Member No.: 118,169 |
Why do you think it was quarried? I don't see any signs of rockwork in your picture.
It looks like the typical quartz blowout. When these blowouts occur in granite the natural swelling of the granite tends to break up the quartz it surrounds and cause the collapse. The quartz could have been carried off by humans for building stone or silica sand but more likely the quartz is buried under the resulting eluvial mass from the collapse of the intrusion. |
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Dec 6 2017, 11:23 AM
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#4
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Rock Bar! Group: Members Posts: 563 Joined: 13-June 15 From: South of Gunnison in Gold Basin, Saguache County Member No.: 120,659 |
The ones I found were blowouts I think. I've never seen quartz veins that big before but pretty cool.
-------------------- Level 2 member -12/25/16
Referral code JL697 |
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Dec 16 2017, 01:28 AM
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#5
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Shovel Buster! Group: Members Posts: 52 Joined: 28-June 17 From: Ken Caryl Member No.: 132,619 |
I had assumed it was quarried because of the large steel cables and equipment evidence I saw but your right, cout be a blow out that just got carried away for building materials.
-------------------- James
Member Since 06/2017 Referral JB748 |
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Dec 16 2017, 12:20 PM
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#6
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Rock Bar! Group: Members Posts: 898 Joined: 9-January 14 From: Denver, CO Member No.: 116,265 |
Most of the quarries I have seen in the area like this one are older (80's or before) and I have concluded that most of them were chasing certain types of the feldspar minerals for industrial use or ore for other minerals. They often threw the quartz to the side.
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