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Thread: How is value extracted from a hard rock mine?

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  1. #16
    zw
    Jan 2015
    114
    108 times
    All Types Of Treasure Hunting
    Where do you sell specimens?
    gold tramp likes this.

  2. #17
    us
    Gold Tramp

    Dec 2012
    913
    1678 times
    Quote Originally Posted by AnnaMountain View Post
    First one is copper and Azurite and some free milling gold present.

    Third one is interesting...that’s actually an extremely rare mineral called “Coloradoite” - basically the solid form of mercury. It’s also mixed with gold and silver.
    Could you grind up some of that stuff, put in a closed test tube heat and show the metallic Hg.
    Would be a neat science experiment.

    Mercuric telluride, nice ore specimen.
    Thanks for sharing.

    Gt......
    Last edited by gold tramp; Sep 08, 2018 at 04:51 PM.

  3. #18
    us
    Period Six Mining and Exploration LLC

    Mar 2015
    Sonoran Desert of AZ
    452
    607 times
    Prospecting
    Quote Originally Posted by Capricorn View Post
    I'm curious about how miners capitalize on the values in their mines. I'm guessing it really depends on the types of deposits? Free milling gold makes sense to me, crush, mill and seperate. Leaching makes sense to me, crush, mill, leach, recover... But what about other mineral deposits? I stumbled across info for this mine for sale:

    https://bonanzaclaims.github.io/SunsetMineClaim/​

    The video was pretty neat. Anyway it got me thinking, how would people actually extract zinc or copper or some other mineral? I suppose each has its own process. Would folks mostly be hauling ore to some other plant somewhere and just letting them extract it? Are there many places like that in the US these days? Just a bit curious and thought folks here might be knowledgeable. Thanks!
    You have free mill and leaching confused. They're the same. Free milling gold is the gold that can be recovered through cyanide or other types of chemical leaching. What you're thinking of is macroscopic gravity recoverable gold as a fraction of the free mill.

    And industrial metals are useless to the small scale miner. Small scale miners work in the range of up to a few tons per day. The economics of industrial metals depends on fully processing multiple tons per minute.
    This ain't Michigan, its GOLD COUNTRY!

  4. #19
    us
    Period Six Mining and Exploration LLC

    Mar 2015
    Sonoran Desert of AZ
    452
    607 times
    Prospecting
    Quote Originally Posted by pczim View Post
    Where do you sell specimens?
    Same place you buy them. Look up websites on the internet that sell mineral specimens. Some specimens are incredibly expensive, others not as much.

    https://www.google.com/search?q=mine...hrome&ie=UTF-8
    Last edited by SaltwaterServr; Sep 12, 2018 at 05:33 PM.
    pczim likes this.
    This ain't Michigan, its GOLD COUNTRY!

  5. #20
    us
    Dec 2016
    Colorado
    37
    42 times
    Prospecting
    I can't get the link to open on this computer. There's also money in mine tours. We went on one a couple weeks ago, $25 a person for an hour tour and there were 12 people on our tour. Pretty sure there was more money in mining the tourists than trying to get the mine permitted.

    Industrial metals have big potential but it seems most copper, zinc, moly, ect. mines owners are into them well over 100 million before they process a rock.
    gold tramp likes this.

  6. #21
    us
    Dec 2017
    Colorado
    Gold Bug II
    37
    57 times
    Prospecting
    Quote Originally Posted by gold tramp View Post
    Could you grind up some of that stuff, put in a closed test tube heat and show the metallic Hg.
    Would be a neat science experiment.

    Mercuric telluride, nice ore specimen.
    Thanks for sharing.

    Gt......

    �� yep...you certainly can...I’ve fired some of it in my furnace and poured bars believe it or not If you get the flux just right where you don’t have to beat on it too hard to get the slag off it’s actually quite beautiful! When it’s first cooling it actually looks like a pure bar of gold.

 

 
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