Results 171 to 180 of about 2,316 (218)
The role of iron-rich hydrosaline liquids in the formation of Kiruna-type iron oxide-apatite deposits. [PDF]
Sci AdvZeng LP +9 more
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Deep learning and fractal-wavelet techniques for magnetite-apatite exploration in Tarom Iran. [PDF]
Sci RepPourgholam MM +4 more
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Extreme shifts in pyrite sulfur isotope compositions reveal the path to bonanza gold. [PDF]
Proc Natl Acad Sci U S AMcLeish DF +3 more
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Geochimica Et Cosmochimica Acta, 2017
Abstract Oxygen fugacity (fO2) is a key factor that controls the formation of porphyry Cu deposits. Porphyry Cu deposits are typically oxidized, but when and how porphyry magmas gain their high oxygen fugacity signatures, and how oxygen fugacity controls porphyry mineralization, remains obscure.
Weidong Sun +2 more
exaly +2 more sources
Abstract Oxygen fugacity (fO2) is a key factor that controls the formation of porphyry Cu deposits. Porphyry Cu deposits are typically oxidized, but when and how porphyry magmas gain their high oxygen fugacity signatures, and how oxygen fugacity controls porphyry mineralization, remains obscure.
Weidong Sun +2 more
exaly +2 more sources
Fluid inclusions technique for porphyry deposit exploration: The Rosario porphyry Cu-Mo deposit
2023Porphyry ore deposits are the largest source of copper, molybdenum, gold, and silver in the world. Various exploration techniques have been developed due to their importance as a source of metals. A special focus has been devoted to understanding the processes of hydrothermal fluids as mineralization drivers. Fluid inclusions provide direct information
Sebastian Avalos, Nicolas Avalos
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Porphyry CU deposits in the Central Andes of Argentina: An overview
Journal of South American Earth Sciences, 2021Abstract Porphyry Cu deposits are the world's most important source of Cu and the Central Andes of South America hold some of the largest Cu resources worldwide. In Argentina many porphyry-type deposits and prospects with different degrees of exploration straddle along ~1500 km of the Central Andes.
Nora A. Rubinstein +2 more
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Ifost, 2013
Major porphyry type deposits are spatially and temporally associated with adakitic magmas. Such magmas show high Sr/Y, high Al2O3, and high La/Yb geochemical signature. Case study of late Devonian Oyu Tolgoi and Carboniferous Shuteen deposits show that porphyry Cu-Au are associated with oxidized, high Sr/Y mafic-inermediate adakitic magma.
O. Gerel +3 more
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Major porphyry type deposits are spatially and temporally associated with adakitic magmas. Such magmas show high Sr/Y, high Al2O3, and high La/Yb geochemical signature. Case study of late Devonian Oyu Tolgoi and Carboniferous Shuteen deposits show that porphyry Cu-Au are associated with oxidized, high Sr/Y mafic-inermediate adakitic magma.
O. Gerel +3 more
openaire +1 more source
Resource Geology, 2018
AbstractThe role of potassic alteration and associated quartz veins for porphyry Cu mineralization in two representative porphyry systems (El Salvador, Chile, and Grasberg, Indonesia) was examined to evaluate the potential of porphyry Cu mineralization in Japan.
Yasushi Watanabe +2 more
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AbstractThe role of potassic alteration and associated quartz veins for porphyry Cu mineralization in two representative porphyry systems (El Salvador, Chile, and Grasberg, Indonesia) was examined to evaluate the potential of porphyry Cu mineralization in Japan.
Yasushi Watanabe +2 more
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The Origin of Cu/Au Ratios in Porphyry-Type Ore Deposits
Science, 2002Microanalysis of major and trace elements in sulfide and silicate melt inclusions by laser-ablation inductively coupled plasma mass spectrometry indicates a direct link between a magmatic sulfide liquid and the composition of porphyry-type ore deposits.
Halter WE, Pettke T, Heinrich CA
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Porphyry-Cu Deposits of Turkey
2019Turkey, located within the western Tethyan-Eurasian Belt contains numerous porphyry copper deposits formed by the subduction, collision and post-collisional events during the closure of NeoTethys Ocean between the latest Cretaceous and late Miocene. These porphyry systems and associated epithermal and skarn deposits are associated with the subduction ...
Kuşcu, İlkay +2 more
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