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MDAG Case Study 6
The first ("No. 1") had been inactive for 30 ... B., L. Fontboté, and W. Wildi. 1997. Mobilization and secondary enrichment processes in the sulfide porphyry copper tailings of Cauquenes (El Teniente) and Piuquenes (La Andina), Chile. IN: VIII Congreso Geoló ...
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Cominco Copper Mine Mining Technology
Data Producer of Copper, molybdenum, silver and gold Location Central British Columbia, Canada Ownership Teck Cominco (97.5%), Highmont Mining (2.5%) Geology type Porphyry copper Mineral type Copper sulphides Reserve base ... ,800t/d in 2005. GEOLOGY Highland Valley is a low-grade (0.4% Cu) porphyry copper-molybdenum deposit associated with the younger intrusive phases of the early to mid-jurassic, ...
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Morenci Copper Mine, Arizona Mining Technology
Copper Mine, Arizona Morenci Copper Mine, Arizona, USA Email Article   Print Key Data Location Arizona, US Ownership Phelps Dodge 85%, Sumitomo 15% Geology Porphyry copper Mineral types Chalcocite, pyrite, chrysocolla, malachite, molybdenite Reserves 2,200Mt of leachable ore Production Over 380,000t/yr copper Mining Large-scale open pit Full specifications The Detroit Copper ...
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Semenov: Travels in the Tien'-Shan', Part One
The Sultan said his prayers, then we were given beautiful Bukharan copper kumgany (wash-hand-basins), and all of us washed our hands and set about our ... conglomerates, of which the entire plateau was apparently composed and which contained huge boulders of porphyry, syenite, diorite and other crystalline rocks, fairly weakly cemented with sandstone. The valley was half ...
www.iras.ucalgary.ca


View into the Abyss - Favorite Pits
The complete ASTER image covers 30 by 37 km in the ... tons/day of ore; in 1999 production totaled 827,000 tons of copper, 150,000 ounces of gold and 3.53 million ounces of silver. ... a 170 km long, 9 pipe. Escondida is related geologically to three porphyry bodies intruded along the Chilean West Fissure Fault System. A high grade ...
www.rettet-die-elbe.de


Solidarity South Pacific - News - A new dawn for mining after a lost decade?
Fitful starts such as the Bougainville copper mine was followed about the time of its premature closure by ... million ounces of gold. Not far from this is a big copper-gold porphyry project, now known as Golpu, which is being actively drilled ... more than a billion tonnes of copper ore, making it one of the world's biggest undeveloped copper projects. It also still has ...
www.eco-action.org




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