 | | Journal (article/letter/editorial) | | Molybdenite Mineralization at the El Teniente Cu-Mo Porphyry Deposit, Chile Edward T. Spencer,1,† Jamie J...División El Teniente, Rancagua, Chile Abstract The El Teniente Cu-Mo porphyry deposit, Chile, is one...of diorite finger porphyries and the composite Teniente Dacite Porphyry. These units acted as effective...veins and breccias. These are abundant at shallow mine levels and show a close spatial relationship with...series of concentric faults associated with the Braden Breccia Pipe. Mineralization in this paragenetic |  | | Journal (article/letter/editorial) | | soon progressed to shallow depth, resulting in a mine. The numbers of mines and intensity of ACCEPTED...colonialism, modern economic booms (Belich, 2009). Active mine numbers and sizes skyrocketed during two World Wars...rapidly growing number of mineral discoveries and mine establishment was partly driven by the discovery...of conquests and non-military acquisitions. But mine importance and fame did not necessarily correspond...obsolete (for example, recent reserves of a mature mine only, or IP past production for a period of time) |  | | Book | | Strategy at the College but also has taught Mine of Business Management at the College of Mines...Orebody at the Cyprus Pima Mine Ball Mills at Duval’s Sierrita Mine in Arizona The Converter Aisle...Jackling Belts at the Twin Bingham Buttes Mine in Arizona Mine in Utah 36 38 40 45 54 64 210 223 258 259)...Relative Costs of Operating an Independent Copper Mine 5.2 Capacities of the Copper Refineries in the... Area of North America Financial Model of a New Mine in an Underdeveloped Area 9.1 Output of American |  | | Book | | Orogen . 3 ¢ Radiometric Ages Near El Salvador and Potteriics, Chile . 4 ¢ Section Through Arequipa, Peru...Through Potrerillos, Chile . ; 6 ¢ Potash Index of Igneous Rocks, Atacama Rego Chile : 7 ¢ Michiquillay...Geology (Peru) . 8 © Structure at Chuquicamata, Chile . 9 ¢ Surface Geologic Map, Michiquillay 10 © Surface...Plutonic Belt, ies 27 @ Geology of the Kobuk-Koyukuk Province (Alaska). 28 © Interior Belt (Alaska). 3 ; ,...: tbe ge genes ie a Structure Visible in Gurr at El Nie : Structural Outline at Copper Basin. ; 48 ¢ |  | | Report (issue) | | Geochemical and geophysical investigations around Garras Mine, near Truro. Cornwall 3 4 Molybdenite mineralisation...associated with the Skiddaw Granite near Carrock Mine, Cumbria 8 Investigation of stratiform sulphide...Scotland 38 10 Geophysical surveys around Talnotry mine, Kirkcudbrightshire, Scotland Geophysical evidence...disseminated phase and in quartz veinlets. Goethite and malachite are secondary minerals, and covellite rarely forms...vein with chalcopyrite (altered to gocthite, malachite and rare covellite), scheel lite and molybdenite |  | | Book | | used. Where high-grade ore occurs at some depth, a mine shaft may be sunk and drifts (tunnels) run from...setting, which may be referred to as a metallogenic province. The porphyry copper belt in the western part...North and South America is one such well-defined province, as is the sedimentary copper belt in Zambia-Zaire...to meet our needs rather than mine our own resources. Only if we mine U.S. copper will gold production...Oklo uranium mine, Republic of Gabon. This view not only shows a typical small open pit mine, but several |  | | Book | | disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...epochs. Following Tumeaure (1955), a metallogenic province may be defined as a mineralized area or region...The size of a metallogenic province can be as large as the Superior Province (Canadian Shield) or as small...as the Upper Michigan Peninsula native copper province. Similarly, a metallogenic epoch can be as broad |
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Teniente Mine, El Teniente, Rancagua, Cachapoal Province, O'Higgins, Chile