Results 11 to 20 of about 332,979 (215)

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

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

Halogen Chemistry of Hydrothermal Micas: a Possible Geochemical Tool in Vectoring to Ore for Porphyry Copper-Gold Deposit [PDF]

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2018
Porphyry copper-gold deposit commonly exhibits an extensive alteration zone of hydrothermal micas particularly biotite and sericite. This study is aimed to analyze and utilize the chemistry of halogen fluorine and chlorine of biotite and sericite to be a
Arifudin Idrus
doaj   +3 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

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

Exploration indicators of the Jiama porphyry–skarn deposit, southern Tibet, China [PDF]

open access: yes, 2022
Whole-rock geochemical data and compositional balance analysis (CoBA), combined with a magnetic susceptibility model obtained from a high-precision magnetic survey, are useful exploration tools in the Jiama porphyry–skarn deposit, southern Tibet, China ...
Tang, Pan   +19 more
core   +1 more source

Large Igneous Provinces (LIPs) and Anoxia Events in “The Boring Billion”

open access: yesGeophysical Monograph Series, Page 449-486., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Shuan‐Hong Zhang   +4 more
wiley  

+1 more source

Fig. S4. The Changshagou gold deposit, Eastern Tianshan, NW China: orogenic gold mineralization overprinting a porphyry gold occurrence

open access: yes, 2021
(A) The mining pit of the Changshagou gold deposit. (B) Joint fissures in hosting rock: quartz syenite porphyry. (C) The potassic altered rock in porphyry episode is overprinted by silicification in orogenic episode. (D) The boundary of hosting rocks and
Chunji Xue (7975775)   +5 more
core   +1 more source

Multiple tectonic-magmatic Mo-enrichment events in Yuleken porphyry Cu-Mo deposit, NW China and its’ implications for the formation of giant porphyry Mo deposit

open access: yes, 2021
International audienceThe Yuleken porphyry Cu-Mo deposit located in the Chinese Altay-East Junggar, a section of the Central Asian Orogenic Belt, the world's largest Phanerozoic subduction-accretionary orogen, witnessed the multistage tectonic-magmatic ...
Hong, Tao   +16 more
core   +1 more source

The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses

open access: yesGeofluids, 2021
The eastern Tianshan metallogenic belt is an important molybdenum resource base in Xinjiang and is characterized by large-scale porphyry Mo deposits formed during the Triassic.
Ping Li   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy