Post-collisional porphyry copper deposits in Tibet: An overview

Z Yang, K Cao - Earth-Science Reviews, 2024 - Elsevier
This paper presents a review of the geology and geochemistry of post-collisional PCDs in
Tibet, including their spatial–temporal distribution, features of the ore-forming porphyries …

New magmatic oxybarometer using trace elements in zircon

RR Loucks, ML Fiorentini, GJ Henríquez - Journal of Petrology, 2020 - academic.oup.com
We derive a novel method for determining the oxidation state of a magma as zircon
crystallized, with a standard error of±0· 6 log unit ƒO2, using ratios of Ce, U, and Ti in zircon …

[HTML][HTML] Low magmatic Cl contents in giant porphyry Cu deposits caused by early fluid exsolution: A case study of the Yulong belt and implication for exploration

ML Huang, JJ Zhu, XW Bi, LL Xu, Y Xu - Ore Geology Reviews, 2022 - Elsevier
High apatite Cl and S contents have previously been proposed to be effective in
discriminating fertile porphyry Cu systems from infertile ones. However, apatite Cl contents …

Genesis of hydrous-oxidized parental magmas for porphyry Cu (Mo, Au) deposits in a postcollisional setting: examples from the Sanjiang region, SW China

LL Xu, JJ Zhu, ML Huang, LC Pan, R Hu, XW Bi - Mineralium Deposita, 2023 - Springer
Magmatic sources of porphyry deposits in postcollisional settings remain controversial. We
have used new and published petrological and geochemical data for the Eocene–Oligocene …

Redox states and genesis of Cu-and Au-mineralized granite porphyries in the Jinshajiang Cu–Au metallogenic belt, SW China: studies on the zircon chemistry

X Bao, W He, J Mao, T Liang, H Wang, Y Zhou… - Mineralium …, 2023 - Springer
Oxygen fugacity (f O2) is a critical factor that controls the formation mechanisms of the
porphyry Cu deposits. However, the differentiation of the f O2 in post-collisional Au …

Experimental investigation into the disturbance of the Sm-Nd isotopic system during metasomatic alteration of apatite

XC Li, DE Harlov, MF Zhou, H Hu - Geochimica et Cosmochimica Acta, 2022 - Elsevier
In order to understand the effect of fluid-induced alteration on the Sm-Nd isotope systematic
in apatite, a series of fluid/apatite reaction experiments, which involve reacting the well …

Mechanisms of fluid degassing in shallow magma chambers control the formation of porphyry deposits

Z Wang, Y Zheng, B Xu, Z Hou, Y Shen… - American …, 2024 - degruyter.com
Magmatic fluid degassing within shallow magma chambers underneath the ore bodies is
critical to the formation of porphyry Cu-Au deposits (PCDs). Yet, it remains unclear how the …

Role of alkaline magmatism in formation of porphyry deposits in nonarc settings: Gangdese and Sanjiang metallogenic belts

R Wang, CH Luo, W Xia, W He, B Liu, ML Huang… - 2021 - pubs.geoscienceworld.org
The recent discovery of large Cenozoic porphyry copper deposits in the Tibetan Plateau has
revealed atypical features. Their formation all postdate the India-Asia collision at 55±10 Ma …

[HTML][HTML] 斑岩矿床成矿时间尺度的研究进展: 以藏东玉龙斑岩铜(钼) 矿床为例

陈奇, 王长明, 祝佳萱, 杜斌, 段泓羽, 石康兴, 钱金龙… - 岩石学报, 2022 - html.rhhz.net
精确限定多期次岩浆-热液活动的时间尺度一直是剖析斑岩矿床形成过程的热点和难点.
借助矿物的高精度同位素定年, 热力学数值模拟以及石英的钛扩散模型等方法, 斑岩矿床中岩浆 …

Copper skarn mineralization related to reduced monzodioritic magma at the Huanren deposit, northeastern China

H Ouyang, J Caulfield, G Xie… - … Society of America …, 2024 - pubs.geoscienceworld.org
Most known copper (Cu) skarns are associated with oxidized intrusions. In this contribution,
we report a Cu skarn associated with a reduced monzodioritic intrusion at Huanren …