Results 11 to 20 of about 483 (182)

Constraints on ore vectoring from geochemical fingerprints of porphyry style pyrite [PDF]

Scientific Reports
The sulfur isotope compositions of three generations of pyrite originated from skarns, stockwork, and late-stage, post-hydrothermal veins from three various zones of the porphyry style Myszków Mo–Cu–W deposit (center, circum-deposit, and periphery) were ...
Beata Naglik, Artur Sosnal, Magdalena Dumańska-Słowik, Tomasz Toboła, Dimitrina Dimitrova, Ryszard Habryn, Paweł Derkowski, Zbigniew Czupyt, Maciej Woszczyna, Marek Markowiak, Jaroslav Pršek   +10 more
doaj   +2 more sources

Contrasting mineralized and barren porphyries in the Zhongdian Arc, insights from biotite and apatite compositions and halogen fugacity [PDF]

Scientific Reports
Copper mineralization in the Pulang (PL) porphyry deposit, Langdu (LD) porphyry-skarn deposit and Songnuo (SN) porphyry prospect in northwestern Yunnan, China, is closely related to the emplacement of quartz monzonite porphyries.
Yanning Pan, Guochen Dong, Toshiaki Tsunogae, Peng Wang, Xuefeng Li, Pengsheng Dong   +5 more
doaj   +2 more sources

Hornblendite in the Lower Crust: A Possible Source for Porphyry Cu Deposits

Geochemistry, Geophysics, Geosystems
Abstract Lower crustal sulfide‐bearing Cu‐rich cumulates, mainly occurring as hornblendite, have been proposed as a critical source component for the development of giant porphyry Cu deposits (PCDs); however, their mineralogical and geochemical nature remain elusive.
Guangxu Li, Lingsen Zeng, Li‐E. Gao, Lilong Yan, Haitao Wang, Linghao Zhao   +5 more
openaire   +2 more sources

Determination of oxygen fugacity from ore-bearing magma responsible for Gazu copper mineralization: Cerium data in zircon mineral [PDF]

پترولوژی, 2021
Porphyry Cu deposits are typically oxidized. Oxygen fugacity (fO2) is a key factor, which controls the formation of porphyry Cu deposits. Trace element compositions of Cretaceous magmatic zircon grains (65.9-65.1 Ma) were determined from ore-bearing ...
Alireza Almasi, amir mahdavi, Jingwen Mao   +2 more
doaj   +1 more source

Fahlores from Porphyry Cu–(Mo) Deposits of the Urals

Geology of Ore Deposits, 2022
The paper describes chemistry of tetrahedrite group minerals from three porphyry deposits of the Urals: Mikheevskoe and Tomino porphyry copper deposits on the South Urals and Talitsa Mo porphyry deposit on the Middle Urals. In the deposits studied tetrahedrite group minerals deposited either with late mineral assemblages of the porphyry stage or within
O.Yu. Plotinskaya, E.V. Kovalchuk
openaire   +2 more sources

Igneous breccia system of the Shand porphyry Cu-Mo deposit, Northern Mongolia

Mongolian Geoscientist, 2022
The Shand Cu-Mo deposit is located in the Orkhon-Selenge depression, Northern Mongolia. It lies near the Erdenetiin Ovoo porphyry Cu-Mo deposit, which together define one of Northern Mongolian’s most economically significant metallogenic belts.
Bayaraa Ganbat, Dashdorjgochoo Odgerel, Dorjyunden Altankhuyag, Dorjgochoo Sanchir, Chikalov Altanzul, Gurdorj Azjargal   +5 more
doaj   +1 more source

Geology and mineralization of the Duobaoshan supergiant porphyry Cu-Au-Mo-Ag deposit (2.36 Mt) in Heilongjiang Province, China: A review

China Geology, 2023
The reserves of the Duobaoshan porphyry Cu-Au-Mo-Ag deposit (also referred to as the Duobaoshan porphyry Cu deposit) ranks first among the copper deposits in China and 33rd among the porphyry copper deposits in the world.
Sen Zhang, Nan Ju, Guo-bin Zhang, Yuan-dong Zhao, Yun-sheng Ren, Bao-shan Liu, Hui Wang, Rong-rong Guo, Qun Yang, Zhen-ming Sun, Feng-ming Xu, Ke-yong Wang, Yu-jie Hao   +12 more
doaj   +1 more source

Oxidized sulfur-rich arc magmas formed porphyry Cu deposits by 1.88 Ga

Nature Communications, 2021
Tectonomagmatic conditions in the Precambrian were hypothesized to be unfavorable for porphyry Cu deposit formation. Here, the authors show that metallogenic processes typify Phanerozoic porphyry Cu deposits operated by ~1.88 Ga, reflecting modification ...
Xuyang Meng, Jackie M. Kleinsasser, Jeremy P. Richards, Simon R. Tapster, Pedro J. Jugo, Adam C. Simon, Daniel J. Kontak, Laurence Robb, Grant M. Bybee, Jeffrey H. Marsh, Richard A. Stern   +10 more
doaj   +1 more source

Diagenetic and metallogenic ages, and geological significance of the Fujiashan skarn-type(Cu-) W Deposit, southeastern Hubei Province

地质科技通报, 2021
The Fujiashan(Cu-) W Deposit, which is discovered recently, is one of the typical skarn deposit in southeastern Hubei.The(Cu-) W mineralization is closely associated with the Fujiashan granodiorite porphyry.In order to accurately determine the diagenetic
Quan Liu, Yanjun Li, Heng'an Cai, Hongmei Li, Xiaohua Zeng, Xiaofeng Sun, Dongqin Liu, Jun Tan   +7 more
doaj   +1 more source

Melt Inclusions in Veins: Linking Magmas and Porphyry Cu Deposits [PDF]

Science, 2003
At a porphyry copper-gold deposit in Bajo de la Alumbrera, Argentina, silicate-melt inclusions coexist with hypersaline liquid- and vapor-rich inclusions in the earliest magmatic-hydrothermal quartz veins. Copper concentrations of the hypersaline liquid and vapor inclusions reached maxima of 10.0 weight % (wt %) and 4.5 wt %, respectively.
Harris, Anthony C., Kamenetsky, Vadim S., White, Noel C., van Achterbergh, Esme, Ryan, Chris G.   +4 more
openaire   +5 more sources