Porphyry deposits pdf
WebJun 1, 2000 · Generally, porphyry deposits are distinguished by a large volume of low-to medium-grade Cu-Mo-Au concentrations in the form of disseminated and vein-, stockwork … WebJan 1, 2012 · The province has an estimated total endowment (production + reserves + resources) of 295 million tonnes of copper metal, 96% of which is in deposits of Laramide (∼80–45 Ma) age. This is one of the major accumulations of …
Porphyry deposits pdf
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WebDeposit geology Porphyry copper deposits contain copper, molybdenum, and gold minerals, disseminated or in a stockwork of small veinlets within a large mass of altered rock … WebThe deposits were discovered by reconnaissance stream silt geochemistry, which detected anomalies of the order of 500 to 1,000 ppm Cu, against a background of 100 ppm Cu, with anomalous trains extending up to 3 km downstream. Subsequent follow-up revealed stream silt anomalies as high as 1.5 percent Cu.
WebAug 1, 2002 · This publication contains a computer file of information on porphyry copper deposits around the world. It also presents new grade and tonnage models for three … WebApr 12, 2024 · The Kighal porphyry Cu deposit, in the Arasbaran magmatic belt (AMB), is hosted by Late Eocene to Oligocene volcanic rocks and Miocene high–K calc–alkaline subvolcanic intrusions. The Miocene quartz monzonite stocks host porphyry–style Cu mineralization characterized by potassic, phyllic, argillic, and propylitic alteration zones …
WebPorphyry Cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on intrusions; skarn, carbonate-replacement, and… Expand 2,106 PDF View 3 … WebMaterials and methods Porphyry deposits are the most important source of copper, molybdenum and rhenium (Sillitoe, 2010) and provide significant amount of gold, silver and some other metals (Cooke et al., 2014).
WebApr 15, 2024 · The magmatic process within upper crust encompasses various contents such as the transition between magmatic and hydrothermal systems and changes in …
WebThe Qulong porphyry copper deposit in Tibet is located in the Tethis–Himalaya metallogenic domain, one of the three major porphyry metallogenic domains in the world. At present, the mining area is mainly used for surface mining. The depth revealed by the drilling project is less than 2 km. The potential for deep resources is unknown. Based on an … green hill yacht and country clubWebShapinggou porphyry Mo deposit is the largest Climax-type Mo deposit in China and probably also in the world, with total proven Mo reserves of over 2.2 million tonnes at an average grade of 0.17%. It… Expand 44 Highly Influenced View 3 excerpts, cites results ... 1 2 3 4 5 ... References SHOWING 1-10 OF 70 REFERENCES SORT BY green hill yacht clubWebThis paper discusses the effectiveness of several geophysical methods in exploration of gold-rich porphyry copper deposits, and presents the exploration models related to the … flx chinosWebPorphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its name. flx corning nyWebPorphyry deposits are formed in arc-related settings and are associated with subduction zone magmas. Porphyry deposits are clustered in discrete mineral provinces, which … green hill yacht \u0026 country clubWebUSGS flx cool towelWebFeb 1, 2024 · Porphyry ore deposits typically form in convergent plate margin or postsubduction settings at depths of 1-6. km. Oxidized hydrous melts derived from the metasomatized mantle wedge transport Cu, Au ... flx country stop