Results 31 to 40 of about 9,544 (227)

Origin of the Oligocene Tuolangla porphyry-skarn Cu-W-Mo deposit in Lhasa terrane, southern Tibet

open access: yesChina Geology, 2020
: Although some porphyry-skarn deposits occur in post-collisional extensional settings, the post-collisional deposits remain poorly understood. Here the authors describe the igneous geology, and mineralization history of Tuolangla, a newly-discovered ...
Yong Huang   +7 more
doaj   +1 more source

New evidence of magmatic-fluid-related phyllic alteration: Implications for the genesis of porphyry Cu deposits [PDF]

open access: yes, 2002
The phyllic alteration in a number of circum-Pacific porphyry Cu-Au deposits is related to high-temperature saline magmatic fluids. This contradicts the widely used genetic models wherein phyllic alteration formed as the result of mixing between magmatic
Golding, SD, Harris, AC
core   +2 more sources

Petrochemical characteristics of late Paleozoic magmatic rocks of the Mandakh area, southeast Mongolia

open access: yesMongolian Geoscientist, 2018
The late Paleozoic magmatic rocks are widely distributed in the Mandakh area which is located in the Gurvansaikhan and Manlai terrains, where porphyry Cu deposits occur.
Undarmaa Batsaikhan   +3 more
doaj   +1 more source

Melt- and fluid-inclusions studies in the Wunugetushan porphyry Cu–Mo deposit, NE China: Constraints on the separation of Cu and Mo

open access: yesFrontiers in Earth Science, 2023
The Wunugetushan large porphyry Cu–Mo deposit in NE China is hosted by Mesozoic quartz monzonite porphyry and has a Mo-rich core and Cu-rich rim in space.
Wei Lu   +4 more
doaj   +1 more source

Element Migration of Mineralization-Alteration Zones and Its Geological Implication in the Beiya Porphyry–Skarn Deposit, Northwestern Yunnan, China

open access: yesApplied Sciences
Porphyry and the associated skarn-type deposit is one of the most important types of ore deposits worldwide, which usually exhibit significant zoning of mineralization-alteration, but the research on element migration in these mineralization-alteration ...
Fei Liu   +4 more
doaj   +1 more source

Geological, mineralogical-petrographical and fluid inclusion characteristics of the Çatalçam (Soma-Manisa) Au-Pb-Zn-Cu mineralization

open access: yesBulletin of the Mineral Research and Exploration, 2022
The study area is located in the southeastern Biga Peninsula. As result of field, drilling and laboratorystudies, diorite porphyry intruded to Lower Miocene and older units and contained Au, Pb, Zn and Cu anomalies, has been determined.
Serkan Özkümüş   +8 more
doaj   +1 more source

MINERALS OF OXIDATION ZONE OF THE ELENOVSKOE COPPER PORPHYRY DEPOSIT, SOUTH URALS [PDF]

open access: yesМинералогия, 2019
Samples of oxidation zone of the Elenovskoe Cu porphyry deposit are studied using optical and scanning electronic microscopy. In addition to Fe hydroxides and abundant malachite, the supergene mineral assemblage includes native Cu and Au, Ag-containing ...
I.A. Blinov
doaj   +1 more source

In situ U-Pb dating and trace elements of magmatic rutile from Mujicun Cu-Mo deposit, North China Craton: Insights into porphyry mineralization

open access: yesChina Geology
: Porphyry Cu (Mo-Au) deposit is one of the most important types of copper deposit and usually formed under magmatic arc-related settings, whilst the Mujicun porphyry Cu-Mo deposit in North China Craton uncommonly generated within intra-continental ...
Fan Yang   +6 more
doaj   +1 more source

Genesis and geodynamic background of the ore-bearing granodiotite porphyry of the Jilongshan copper-gold deposit in Jiurui district, Hubei Province

open access: yes地质科技通报, 2021
Jilongshan copper-gold deposit is located in the Jiurui metallogenic district in the middle and lower Yangtze River metallogenic belt. Cu-Au mineralization of Jilongshan deposit is closely related to granodiotite porphyry. The petrogenesis of the rock is
Xiaofei Zhan, Junhao Wei
doaj   +1 more source

Comparative study of big data of global adakites and mineralization-related granite in the Geza arc metallogenic belt, northwest Yunnan, Southwest China

open access: yesBig Earth Data, 2018
The Geza arc is an important part of the Sanjiang tectono-magmatic belt and is a newly discovered copper polymetallic ore concentration area in northwest Yunnan province, Southwest China.
Liu Xuelong   +9 more
doaj   +1 more source

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