Web15 de may. de 2014 · The Altar porphyry Cu- (Mo-Au) deposit occurs in the Miocene to early Pliocene copper belt of the high Andes of Western Argentina, close to the Chilean … WebPorphyry deposits supply most of the world's Cu and Mo resources. Over 90% of the porphyry deposits are found at convergent margins, especially above active subduction …
How to make porphyry copper deposits - ScienceDirect
Web6 de may. de 2024 · Taking into account all major porphyry copper deposits with available geochronological estimation of ore deposition duration 13, the average rate of Cu deposition for all these deposits is 65 ± 7 ... Web1 de ene. de 2024 · Porphyry Cu-Au deposits of the eastern Sunda arc are spatially associated with small, nested, dioritic to tonalitic intrusive complexes with low-K calc … ploty\u0027s hometown tavern webster
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Webporphyry Cu (type 17) otherwise, where gold is in parts per million and molybdenum is in percent. Here deposits with no reported molybdenum grade and with a Au grade greater than 0.2 g/t were classed as porphyry Cu-Au, whereas those with no gold grade reported, but with a Mo grade greater than 0.03 were classed as porphyry Cu-Mo types. Web20 de ene. de 2024 · Porphyry Cu ± Au-Mo-Ag deposits are concentrated within the Stikine-Quesnel arc terranes, with most of their economic metal endowment a consequence of … WebPorphyry deposits form in the upper crust from about 10 to 2 km depth at temperatures that range from about 700 to 350 °C ( Seedorff et al., 2005; Sillitoe, 2010; Bodnar et al., 2014 ), and in some cases are transitional temporally or upward to Cu-Zn-Pb-Ag ± Au-rich Cordilleran base metal lode deposits (CBML; Einaudi, 1977) or epithermal high-, … princess of yugoslavia