Results 131 to 140 of about 483 (182)

Mantle oxidation by sulfur drives the formation of giant gold deposits in subduction zones. [PDF]

Proc Natl Acad Sci U S A
He DY, Qiu KF, Simon AC, Pokrovski GS, Yu HC, Connolly JAD, Li SS, Turner S, Wang QF, Yang MF, Deng J.   +10 more
europepmc   +1 more source

Historic mine waste contains diverse microbial communities that reflect waste type and geochemistry. [PDF]

Appl Environ Microbiol
Best MB, Kazemi Motlagh Z, McLemore VT, Jones DS.   +3 more
europepmc   +1 more source

The role of iron-rich hydrosaline liquids in the formation of Kiruna-type iron oxide-apatite deposits. [PDF]

Sci Adv
Zeng LP, Zhao XF, Spandler C, Mavrogenes JA, Mernagh TP, Liao W, Fan YZ, Hu Y, Fu B, Li JW.   +9 more
europepmc   +1 more source

Deep learning and fractal-wavelet techniques for magnetite-apatite exploration in Tarom Iran. [PDF]

Sci Rep
Pourgholam MM, Adib A, Afzal P, Rahbar K, Gholinejad M.   +4 more
europepmc   +1 more source

Extreme shifts in pyrite sulfur isotope compositions reveal the path to bonanza gold. [PDF]

Proc Natl Acad Sci U S A
McLeish DF, Williams-Jones AE, Clark JR, Stern RA.   +3 more
europepmc   +1 more source

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Oxygen fugacity and porphyry mineralization: A zircon perspective of Dexing porphyry Cu deposit, China

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.
Saijun Sun, Li-Peng Zhang, Wei-Dong Sun   +2 more
exaly   +2 more sources

Fluid inclusions technique for porphyry deposit exploration: The Rosario porphyry Cu-Mo deposit

2023
Porphyry 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
openaire   +1 more source

Porphyry CU deposits in the Central Andes of Argentina: An overview

Journal of South American Earth Sciences, 2021
Abstract 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, Eduardo O. Zappettini, Anabel L.R. Gómez   +2 more
openaire   +2 more sources

Porphyry type deposits associated with adakite magmas: Case study of porphyry Cu-Au and Cu-Mo deposits in mongolia

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, B. Batkhishig, B. Munkhtsengel, A. Chimedtseren   +3 more
openaire   +1 more source

Role of Potassic Alteration for Porphyry Cu Mineralization: Implication for the Absence of Porphyry Cu Deposits in Japan

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, Ryuya Sato, Adi Sulaksono   +2 more
openaire   +1 more source