Results 11 to 20 of about 1,165,786 (215)

Metallogenic Dynamics Background of Ga’erqiong Cu-Au Deposit in Tibet, China [PDF]

open access: yesEarth Sciences Research Journal, 2017
The Ga’erqiong Cu-Au deposit, which sits on the north side of the Coqên-Xainzamagmatite belt, is a large-scale skarn-type deposit, whose ore body has formed in the skarn zone in the contact part of quartz diorite and marble of Duoai formation or the ...
Yuan Ouyang   +5 more
doaj   +2 more sources

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

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   +2 more sources

NEW DATA ON ORE MINERALOGY OF THE AK-SUG PORPHYRY Au-Mo-Cu DEPOSIT (NORTHEASTERN TUVA) [PDF]

open access: yesМинералогия
New data on ore mineralogy of the Ak-Sug porphyry Au-Mo-Cu deposit (Northeastern Tuva) are presented as a result of study of ore composition using optical and scanning electron microscopy.
M.V. Shadchin   +5 more
doaj   +3 more sources

Devonian porphyry Cu deposits in NW China: the Xiaotuergen example

open access: yesInternational Geology Review, 2016
The Nuoerte Basin in northern Altay contains numerous mineral discoveries, including the Xiaotuergen porphyry Cu, Kumasu VMS Pb–Zn, and Hongshanzui orogenic Au deposits. This deposit, newly discovered by the 4th Geological Team of XJBGMR – the Xiaotuergen porphyry Cu deposit – is mainly hosted along the contact zone between the granodiorite porphyry ...
Xinxia Geng   +3 more
openaire   +2 more sources

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   +2 more sources

Contribution from Mafic Melt to the Zhireken Porphyry Mo-Cu Deposit, Eastern Transbaikalia, Russia: Evidence from Mafic Microgranular Enclaves [PDF]

open access: yesInternational Journal of Economic and Environment Geology, 2010
Mafic microgranular enclaves (MME) were formed in felsic ore-bearing porphyries from the Zhireken por-phyry Mo-Cu deposit, eastern Transbaikalia, Russia. Porphyry rocks were emplaced during the Upper Jurassic.
ANITA, N. BERZINA , VITALY, I. SOTNIKOV
doaj   +1 more source

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

open access: yesScientific 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   +10 more
doaj   +2 more sources

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   +3 more sources

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

open access: yesScientific 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   +5 more
doaj   +2 more sources

Data for: Discussion on Au transportation mechanism in melt-magma-fluid in porphyry Cu deposit – a case study from Jinchang porphyry Au (Cu) deposit, Heilongjiang province, China

open access: yes, 2019
This data includes the major and trace element compositions of siegenite and native gold from Jinchang porphyry Au(Cu) deposit ...
Liu, H (via Mendeley Data)   +4 more
core   +5 more sources

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