WebJan 1, 2014 · Porphyry copper deposit is a typical product of the oxidized magmas, and the most discovered ores are strongly biased to Cenozoic age (Fig. 2 ). It is interesting to understand the oxidation status of granitic rocks throughout the earth history, particularly of older granitic terrains (early Earth) containing porphyry copper deposits. WebJul 6, 2024 · Porphyry deposits are large, low-grade metal ore bodies that are formed from hydrothermal fluids derived from an underlying magma reservoir. They are important as …
Oxidized Granitic Magmas and Porphyry Copper …
WebDec 1, 2014 · Essentially all porphyry deposits are closely associated with oxidized magmas at convergent margins. The best oxygen fugacities for porphyry mineralization is ΔFMQ … WebRegional geology The formation of porphyry Cu ± Mo ± Au deposits depend criti- The newly discovered Dalli porphyry Cu–Au deposit is placed in cally on the shallow (10–5 km depth) emplacement of the central part of Urumieh–Dokhtar magmatic belt, which subduction-related magmas, where high-temperature (300– extends over a strike length ... fishers road rage
Crustal magmatic controls on the formation of porphyry …
WebOct 1, 2002 · Porphyry deposits and oxidized magmas Ore Geology Reviews, Volume 65, Part 1, 2015, pp. 97-131 Show abstract Research article Oxygen fugacity and porphyry mineralization: A zircon perspective of Dexing porphyry Cu deposit, China Geochimica et Cosmochimica Acta, Volume 206, 2024, pp. 343-363 Show abstract Research article WebNov 16, 2024 · Porphyry deposits are characteristically enriched in Cu and/or Mo and/or Au, all of which are relatively rare and valuable metals. Consequently, even quite low-grade deposits can be economic, and porphyries are commonly referred to as large-tonnage, low-grade deposits. ... Fractional crystallization of hydrous, moderately oxidized arc magmas ... WebOct 13, 2013 · Genesis of hydrous-oxidized parental magmas for porphyry Cu (Mo, Au) deposits in a postcollisional setting: examples from the Sanjiang region, SW China Lei-Luo Xu Jing-Jing Zhu fishers road staplehurst