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  • Photos of gold ores, quartz, telluride gold ore and gold specimens

    Examine photos of natural gold ores and telluride gold specimens mined . gold comes from ores mined from the natural hard rocks that contain gold in .. copper ores are especially abundant in Colorado, Utah, Montana and British Columbia.

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  • diatreme hosted gold deposit at Montana Tunnels, Montana .

    Oct 1, 1985 . A bulk minable, gold silver deposit at Montana Tunnels, southwestern Montana, . The principal rock type in the diatreme is a matrix rich breccia In the ore zone the introduction of abundant manganocalcite and siderite was.

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  • ore deposits of the northwestern part of the garnet range, montana.

    The gold bearing veins at Garnet and vicinity occur in grano diorite and in .. Creek was merely a small tributary of Rock Creek, a conclusion sup ported by the.

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  • Ruby Property The OT Mining Corporation

    Furthermore, from 1955 to 1982 some 1.5 billion tons of additional ore were mined from . The Montana Tunnels Mine located some 20 miles north east of the Ruby Mine has produced approximately 1 million troy ounces of gold, 11 million . The Ruby property, however, is covered by younger volcanic rocks so there is no.

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  • Butte, Montana The Richest Hill on Earth Dakota Matrix Minerals

    The Butte mining district of Montana: A summary of the minerals, mineralogy and . of 5549 feet in the Rocky Mountains flanked by the Boulder Mountains to the . By 1868 the placers at Alder Gulch had produced about $30 million in gold.

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  • Montana Rocks and Minerals OakRocks

    The second most well known rock from Montana is the Montana Sapphire billion tons of copper ore, silver, gold, and other metals were extracted from the rock.

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  • River of Gold ia City, Montana

    The River of Gold Mining exhibit and gold panning experience is a tribute to the . But the hard rock gold was richest near the surface, and ore values lessened.

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  • What Gold Ore Looks Like Mining 101 Gold Rush Expeditions .

    Oct 16, 2015 . thanks for showing the different ores containing gold. I'm on a new .. i found that kinda type of rock but i didnt know it was gold ore. Read more.

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  • Butte, Montana The Richest Hill on Earth Dakota Matrix Minerals

    The Butte mining district of Montana: A summary of the minerals, mineralogy and . of 5549 feet in the Rocky Mountains flanked by the Boulder Mountains to the . By 1868 the placers at Alder Gulch had produced about $30 million in gold.

    Live Chat
  • Photos of gold ores, quartz, telluride gold ore and gold specimens

    Examine photos of natural gold ores and telluride gold specimens mined . gold comes from ores mined from the natural hard rocks that contain gold in .. copper ores are especially abundant in Colorado, Utah, Montana and British Columbia.

    Live Chat
  • Granite County Montana Gold Production Western Mining History

    Granite County, in west central Montana, through 1959 produced a total of 710,000 . Most of the lode gold has been a byproduct of silver ores in the Flint Creek, First . and biotite granite of Tertiary age which intruded the sedimentary rocks.

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  • Ruby Property The OT Mining Corporation

    Furthermore, from 1955 to 1982 some 1.5 billion tons of additional ore were mined from . The Montana Tunnels Mine located some 20 miles north east of the Ruby Mine has produced approximately 1 million troy ounces of gold, 11 million . The Ruby property, however, is covered by younger volcanic rocks so there is no.

    Live Chat
  • What Gold Ore Looks Like Mining 101 Gold Rush Expeditions .

    Oct 16, 2015 . thanks for showing the different ores containing gold. I'm on a new .. i found that kinda type of rock but i didnt know it was gold ore. Read more.

    Live Chat
  • Montana DEQ > Land > abandonedmines > linkdocs > 126tech

    Ore deposits in the district appear to be in rocks in the marginal remains of .. The lode mines of the district have all produced free milling gold ore Lyden 1948.

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  • UM Geologist Describes Where the Gold Comes From This is .

    The rising sun illuminates Bannack, site of Montana's first major gold strike on . At first glance, Bannack must have seemed an unlikely place to look for an ore body The rock formed by the hardened magma was the most common igneous.

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  • Gold: The mineral native Gold information and pictures Minerals

    Gold in its natural mineral form almost always has traces of silver, and may also . The ore is often brown, iron stained rock or massive white Quartz, and usually .. In Europe, a classic occurrence is Rosia Montana, Transylvania, Romania.

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  • Diamond Mine, Butte, Butte Mining District Summit Valley Mining .

    Ref: Geology and Ore Deposits of the Butte District, Montana; W. Weed 1912. Ref.: Rocks & Min Commodities Major Copper; Minor Gold, Silver; Trace Arsenic Development . Rocky Mountains, North America, Mountain Range.

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  • Gold Ore Alamy

    A woman miner grinds the gold ore bearing rock with a hammer in the gold mines . High Grade Silver / Gold Ore Found near Philpsburg, Montana USA Stock.

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  • River of Gold ia City, Montana

    The River of Gold Mining exhibit and gold panning experience is a tribute to the . But the hard rock gold was richest near the surface, and ore values lessened.

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  • Granite County Montana Gold Production Western Mining History

    Granite County, in west central Montana, through 1959 produced a total of 710,000 . Most of the lode gold has been a byproduct of silver ores in the Flint Creek, First . and biotite granite of Tertiary age which intruded the sedimentary rocks.

    Live Chat
  • Lincoln County Montana Gold Production Western Mining History

    Lincoln County is in the northwest corner of Montana along the Idaho border Lead silver ores are also important; gold is a minor commodity The area is underlain by Precambrian sedimentary rocks of the Belt Series, consisting chiefly of.

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  • Montana Gemstones: Sapphire, Agates, much more Geology

    It is a persistent producer of popular agate varieties such as Montana Moss . Gold, silver, and numerous other metals have been produced from hard rock deposits A few diamonds, diamond indicator minerals, and kimberlites have been.

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  • Iron oxide copper gold ore deposits Wikipedia

    Iron oxide copper gold ore deposits IOCG are important and highly valuable concentrations of . IOCG deposits tend to accumulate within iron rich rocks such as banded iron formations, iron schists, etcetera, although . La Candelaria, Chile Cu Au Ag Deposit: Resources of 600 Mt @ 0.95% Cu, 0.2 g/t Au, 3 g/t Ag. Reserve.

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  • Rock Creek . Hecla Mining Company

    The Rock Creek project is located approximately five miles northeast of Noxon, Sanders County, Montana about 50 miles north of the Lucky Friday mine in.

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  • The GemHunter's Guide to Gold and Diamonds in Montana

    Aug 12, 2013 . Outline of the Wyoming Craton basement rocks of Archean [>2.5 . While prospecting for gold in Montana, also watch for diamonds, sapphires The ores are dominantly gold with some silver, lead and copper and generally.

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  • Montana DEQ > Land > abandonedmines > linkdocs > 126tech

    Ore deposits in the district appear to be in rocks in the marginal remains of .. The lode mines of the district have all produced free milling gold ore Lyden 1948.

    Live Chat
  • The GemHunter's Guide to Gold and Diamonds in Montana

    Aug 12, 2013 . Outline of the Wyoming Craton basement rocks of Archean [>2.5 . While prospecting for gold in Montana, also watch for diamonds, sapphires The ores are dominantly gold with some silver, lead and copper and generally.

    Live Chat
  • ore deposits of the northwestern part of the garnet range, montana.

    The gold bearing veins at Garnet and vicinity occur in grano diorite and in .. Creek was merely a small tributary of Rock Creek, a conclusion sup ported by the.

    Live Chat
  • Gold Deposits SERC Carleton

    Gold Deposits at the Zortman Landusky Mine . deposits, contact deposits, replacement deposits, disseminated ore and placers mine where gold is found in intrusion related breccia hosted deposits in the Little Rocky Mountains Information for the Fort Belknap Indian Reservation, Montana This site may be offline. .

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  • Lincoln County Montana Gold Production Western Mining History

    Lincoln County is in the northwest corner of Montana along the Idaho border Lead silver ores are also important; gold is a minor commodity The area is underlain by Precambrian sedimentary rocks of the Belt Series, consisting chiefly of.

    Live Chat