quartz mine

quartz mine

[′kwȯrts ‚mīn]
(mining engineering)
A mine in which a valuable constituent, such as gold, is found in veins rather than in placers; so named because quartz is the chief accessory mineral in such deposits.
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References in periodicals archive ?
The SSRG assets comprise of the Lighthouse rock quartz mine in Australia.
These interests cover a 50 percent Interest in Cariboo Gold Quartz Property, placer mining rights on Mosquito Creek, and a 3 percent Net Smelter Return royalty on Cariboo Gold Quartz Mine Property, Island Mountain Mine Property and Mosquito Creek Mine Property.
In 1979 they purchased and developed the Colorado Quartz mine, an underground crystallized-gold mine in Mariposa County, California, along with Bryant Harris, Dave Eidahl, and Tom Smith.
Detailed geology was studied in the vicinity of mines by Skerl (1948) at the Cariboo Gold Quartz mine, by Benedict (1945) at Island Mountain mine (each for their respective private companies), and later by Sutherland Brown (1957), Andrew et al.
The assets of the SSRG are : Lighthouse rock quartz mine in Australia and also possesses extensive reserves of high-purity silica sand which is used for HD/LCD TV screens.
Canada-based Barkerville Gold Mines Ltd (TSX VENTURE: BGM) (FRANKFURT: IWUB) has started the first phase of surface drilling at the Gold Quartz mine.
Mineral Masterpieces" whose pictures (at least) you've admired on many occasions were present here: they included the "Alma Queen" rhodochrosite from the Sweet Home mine, Colorado; the "Dragon" gold from the Colorado Quartz mine, California; the "Rabbit Ears" blue-capped elbaite from the Tourmaline Queen mine, California; the 5-cm matrix specimen sporting several blue jeremejevite crystals, from Mile 72, Swakopmund, Namibia; the great Hiddenite, North Carolina emerald crystal discovered in 2004; the majestic purple adamite specimen from the Ojuela mine, Mexico, shown on the cover of vol.
CA 1980 Dave Eidahl (deceased)--Gold, Colorado Quartz Mine, CA 1981 Phil Scalisi--Azurite, Bisbee, AZ, now Mineral Trust 1982 Ed Huskinson, Jr.
Butts Zone - This area was the site of underground development by the Cariboo Gold Quartz Mine just prior to being shut down due to World War Two.
Lavra Berilo Branco, the "Sapucaia" rose quartz mine, is located approximately 8 km south of the town of Divino das Laranjeiras and about 3 km east-southeast of the town of Sapucaia do Norte (at map coordinates 7914N x 238E).
The project encompasses the former producing Cariboo Gold Quartz Mine, and the Hardscrabble Tungsten Mine on the property of International Wayside Gold Mines Ltd.
Famous since the 1970's for beautifully crystallized gold, the Colorado Quartz mine near Mariposa, California, has recently yielded what may well be the finest specimen ever found at the mine, and certainly one of the finest gold specimens in the world.