Copper isotope evidence for sulfide fractionation and lower crustal foundering in making continental crust

SA Liu, RL Rudnick, WR Liu, FZ Teng, TH Wu… - Science …, 2023 - science.org
The continental crust is strongly depleted in copper compared with its building blocks—
primary arc magmas—and this depletion is intrinsically associated with continental crust …

Metallogenetic model of Jiaodong-type gold deposits, eastern China

J Deng, Q Wang, L Zhang, S Xue, X Liu, L Yang… - Science China Earth …, 2023 - Springer
The genesis of giant gold provinces is an international scientific frontier, in which the source
of a huge amount of gold and the drive for mineralization are key challenges. The …

Mantle oxidation by sulfur drives the formation of giant gold deposits in subduction zones

DY He, KF Qiu, AC Simon, GS Pokrovski, HC Yu… - Proceedings of the …, 2024 - pnas.org
Oxidation of the sub-arc mantle driven by slab-derived fluids has been hypothesized to
contribute to the formation of gold deposits in magmatic arc environments that host the …

[HTML][HTML] The subduction-related Saindak porphyry Cu-Au deposit formed by remelting of a thickened juvenile lower crust underneath the Chagai belt, Pakistan

L Wang, Y Zheng, Z Hou, C Xue, Z Yang, Y Shen… - Ore Geology …, 2022 - Elsevier
The subduction-related Saindak porphyry Cu-Au deposit lies in the western segment of the
Chagai belt, Pakistan. This deposit consists of three orebodies (south, east, and north), and …

Mantle-to-crust metal transfer by nanomelts

E Schettino, JM González-Jiménez… - … Earth & Environment, 2023 - nature.com
The transfer of chalcophile metals across the continental lithosphere has been traditionally
modeled based on their chemical equilibrium partitioning in sulfide liquids and silicate …

[HTML][HTML] Palladium, platinum, selenium and tellurium enrichment in the Jiguanzui-Taohuazui Cu-Au Deposit, Edong Ore District: Distribution and comparison with Cu …

X Li, G Xie, SA Gleeson, J Mao, Z Ye, Y Jin - Ore Geology Reviews, 2023 - Elsevier
Abstract The Jiguanzui-Taohuazui Cu-Au deposit is located in the Edong ore district, Middle–
Lower Yangtze River metallogenic belt, eastern China. The deposit is palladium, platinum …

[HTML][HTML] Distinct magma evolution processes control the formation of porphyry Cu–Au deposits in thin and thick arcs

M Chiaradia - Earth and Planetary Science Letters, 2022 - Elsevier
Abstract Porphyry Cu–Au deposits are the major global source of copper, an essential metal
for the green transition, and a significant source of gold. They occur both in thick continental …

Metasomatized mantle sources for orogenic gold deposits hosted in high-grade metamorphic rocks: Evidence from Hg isotopes

Q Wang, X Liu, R Yin, W Weng, H Zhao, L Yang… - …, 2024 - pubs.geoscienceworld.org
Investigation of Hg isotope ratios of gold-related sulfides and penecontemporaneous mafic
dikes from four orogenic gold provinces on the margins of the North China Craton and …

Underplated melts control sulfide segregation at the continental crust-mantle transition

B Pieterek, R Tribuzio, M Matusiak-Małek… - … Earth & Environment, 2024 - nature.com
Exposures of the Earth's crust-mantle transition are scarce, thus, limiting our knowledge
about the formation of subcontinental underplate cumulates, and their significance for metal …

Crustal conductivity footprint of the orogenic gold district in the Red Lake greenstone belt, western Superior craton, Canada

AQ Adetunji, G Launay, IJ Ferguson… - …, 2023 - pubs.geoscienceworld.org
A magnetotelluric (MT) study across the Red Lake greenstone belt of the western Superior
craton, Canada, images a 50-km-long north-dipping conductor (< 20 Ω· m) at 20–25 km …