ORCID Profile
0000-0003-1761-081X
Current Organisations
University of Tasmania
,
中国地质科学院
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Publications
Supplemental Material: The formation of a giant post-collision porphyry copper system: A case study of the Jiama deposit, Tibet
Publisher: Geological Society of America
Date: 07-08-2023
Abstract: Supplemental Text S1: Analytical Methods. Figures S1–S4. Table S1: LA-ICP-MS zircon U-Pb isotopic data for different magmatic rocks of the Jiama deposit. Table S2: LA-ICP-MS zircon trace element data for different magmatic rocks of the Jiama deposit. Table S3: Whole-rock major and trace element data for different magmatic rocks of the Jiama deposit. Table S4: Sr-Nd isotopic compositions for different magmatic rocks of the Jiama deposit. Table S5: Representative electron-microprobe results of plagioclase phenocryst in the Jiama monzogranite porphyry. Table S6: REE modelling on batch melting for Jiama primary adakite-like magmas. Table S7: Whole-rock geochemistry model setup and partition coefficients for the silicic magma evolution.
Mineral chemistry of magmatic and hydrothermal biotites from the Bangpu porphyry Mo (Cu) deposit, Tibet
Publisher: Elsevier BV
Date: 12-2019
Biotite Geochemistry and Its Implication for the Difference in Mineralization in the Xiongcun Porphyry Cu–Au Ore District, Tibet
Publisher: MDPI AG
Date: 29-06-2023
DOI: 10.3390/MIN13070876
Abstract: The Xiongcun Cu–Au ore district is in the southern middle Gangdese Metallogenic Belt, Tibet, and formed during Neo-Tethyan oceanic subduction. The Xiongcun ore district mainly comprises two deposits, the No. I and No. II deposits, which were formed by two in idual mineralization events according to deposit geology and Re–Os isotopic dating of molybdenite. The No. I deposit is similar to a reduced porphyry copper–gold deposit, given the widespread occurrence of primary and/or hydrothermal pyrrhotite and common CH4-rich and rare N2-rich fluid inclusions. The No. II deposit, similar to classic oxidized porphyry copper–gold deposits, contains highly oxidized minerals, including magnetite, anhydrite, and hematite. The halogen chemistry of the ore-forming fluid from the No. I and No. II deposits is still unclear. Biotite geochemistry with halogen contents was used to investigate the differences in ore-forming fluid between the No. I and No. II deposits. Hydrothermal biotite from the No. I deposit, usually intergrown with sphalerite, is Mg-rich and classified as phlogopite and Mg-biotite, and hydrothermal biotite from the No. II deposit is classified as Mg-biotite. Hydrothermal biotite from the No. I deposit has significantly higher SiO2, MnO, MgO, F, Li, Sc, Zn, Rb, Tl, and Pb contents and lower Al2O3, FeOtot, Cl, Ba, Cr, V, Co, Ni, Y, Sr, Zr, Th, and Cu contents than the biotite from the No. II deposit. Hydrothermal biotites from the No. I and No. II deposits yield temperatures ranging from 230 °C to 593 °C and 212 °C to 306 °C, respectively. The calculated oxygen fugacity and fugacity ratios indicate that the hydrothermal fluid of the No. I deposit has a higher F content, oxygen fugacity, and log(fHF/fHCl) value and a lower log(fH2O/fHF) value than the hydrothermal fluid from the No. II deposit. The biotite geochemistry shows that the No. I and No. II deposits formed from different hydrothermal fluids. The hydrothermal fluid of the No. I deposit was mixed with meteoric waters containing organic matter, resulting in a decrease in oxygen fugacity and more efficient precipitation of gold. The No. I and No. II deposits were formed by a Cl-rich hydrothermal system conducive to transporting Cu and Au. The decreasing Cl, oxygen fugacity, and temperature may be the key factors in Cu and Au precipitation. Biotite geochemistry allows a more detailed evaluation of the halogen chemistry of hydrothermal fluids and their evolution within porphyry Cu systems.
Supplemental Material: The formation of a giant post-collision porphyry copper system: A case study of the Jiama deposit, Tibet
Publisher: Geological Society of America
Date: 07-08-2023
DOI: 10.1130/GSAB.S.23638860.V2
Abstract: Supplemental Text S1: Analytical Methods. Figures S1–S4. Table S1: LA-ICP-MS zircon U-Pb isotopic data for different magmatic rocks of the Jiama deposit. Table S2: LA-ICP-MS zircon trace element data for different magmatic rocks of the Jiama deposit. Table S3: Whole-rock major and trace element data for different magmatic rocks of the Jiama deposit. Table S4: Sr-Nd isotopic compositions for different magmatic rocks of the Jiama deposit. Table S5: Representative electron-microprobe results of plagioclase phenocryst in the Jiama monzogranite porphyry. Table S6: REE modelling on batch melting for Jiama primary adakite-like magmas. Table S7: Whole-rock geochemistry model setup and partition coefficients for the silicic magma evolution.
Geochronology, geochemistry, Sr–Nd–Hf isotopic compositions, and petrogenetic and tectonic implications of Early Cretaceous intrusions associated with the Duolong porphyry–epithermal Cu–Au deposit, ce
Publisher: Informa UK Limited
Date: 12-09-2017
Supplemental Material: The formation of a giant post-collision porphyry copper system: A case study of the Jiama deposit, Tibet
Publisher: Geological Society of America
Date: 06-07-2023
DOI: 10.1130/GSAB.S.23638860.V1
Abstract: Supplemental Text S1: Analytical Methods. Figures S1–S4. Table S1: LA-ICP-MS zircon U-Pb isotopic data for different magmatic rocks of the Jiama deposit. Table S2: LA-ICP-MS zircon trace element data for different magmatic rocks of the Jiama deposit. Table S3: Whole-rock major and trace element data for different magmatic rocks of the Jiama deposit. Table S4: Sr-Nd isotopic compositions for different magmatic rocks of the Jiama deposit. Table S5: Representative electron-microprobe results of plagioclase phenocryst in the Jiama monzogranite porphyry. Table S6: REE modelling on batch melting for Jiama primary adakite-like magmas. Table S7: Whole-rock geochemistry model setup and partition coefficients for the silicic magma evolution.
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