Massive Jurassic slab break-off revealed by a multidisciplinary reappraisal of the Chon Aike silicic large igneous province

C Navarrete, G Gianni, S Tassara, C Zaffarana… - Earth-Science …, 2024 - Elsevier
The origin of the Chon Aike silicic large igneous province (SLIP) is a matter of intense
debate, with contrasting hypotheses that range from intraplate settings linked to mantle …

[HTML][HTML] PGE geochemical and Os-S-Sr-Nd isotopic constraints on the genesis of the Shitoukengde magmatic sulfide deposit in the East Kunlun Orogenic Belt, NW …

Y Wang, S Xue, X Wang, Z Zhang, L Wang, Y **n… - Ore Geology …, 2023 - Elsevier
Numerous early Paleozoic mafic–ultramafic intrusions that host important Ni-Cu sulfide
mineralization occur in the northern part of the Qinghai-Tibet Plateau, NW China. The sulfide …

Gold endowment of the metasomatized lithospheric mantle for giant gold deposits: Insights from lamprophyre dykes

X Wang, Z Wang, H Cheng, K Zong, CY Wang… - … et cosmochimica acta, 2022 - Elsevier
The metasomatized sub-continental lithospheric mantle (SCLM) is increasingly proposed to
play a key control in the formation of giant gold (Au) deposits. However, the extent of Au …

Fluxing of mantle carbon as a physical agent for metallogenic fertilization of the crust

DE Blanks, DA Holwell, ML Fiorentini, M Moroni… - Nature …, 2020 - nature.com
Magmatic systems play a crucial role in enriching the crust with volatiles and elements that
reside primarily within the Earth's mantle, including economically important metals like …

The chain of processes forming porphyry copper deposits—An invited paper

CA Heinrich - Economic Geology, 2024 - pubs.geoscienceworld.org
Porphyry-related mineral deposits are giant geochemical anomalies in the Earth's crust with
orders-of-magnitude differences in the content and proportion of the three main ore metals …

Incipient carbonate melting drives metal and sulfur mobilization in the mantle

IS Ezad, M Saunders, SS Shcheka, ML Fiorentini… - Science …, 2024 - science.org
We present results from high-pressure, high-temperature experiments that generate
incipient carbonate melts at mantle conditions (~ 90 kilometers depth and temperatures …

The orientation of intra-arc crustal fault systems influences the copper budget of magmatic-hydrothermal fluids

D Tardani, S Tassara, P Sanchez-Alfaro… - … Earth & Environment, 2024 - nature.com
Some of the largest magmatic-hydrothermal copper ore deposits and deposit clusters are
associated with arc-oblique fault systems. Whether this structural context impacts the …

Deep mantle cycle of chalcophile metals and sulfur in subducted oceanic crust

Z Zou, Z Wang, YG Xu, S Foley, H Cheng, L Ma… - … et Cosmochimica Acta, 2024 - Elsevier
Understanding the subduction-driven recycling of economically important chalcophile
metals (eg, Cu, Au, Ag, and platinum-group elements, PGEs) and volatiles (eg, sulfur) is …

Gold in the mantle: A global assessment of abundance and redistribution processes

JE Saunders, NJ Pearson, SY O'Reilly, WL Griffin - Lithos, 2018 - Elsevier
We have compiled whole-rock analyses in mantle rocks to investigate the abundance of
gold in the lithospheric mantle, and how this distribution can be modified. We show that …

A role for crustal assimilation in the formation of copper-rich reservoirs at the base of continental arcs

S Tassara, JJ Ague - Economic Geology, 2022 - pubs.geoscienceworld.org
Understanding the behavior of chalcophile elements during the evolution of arc magmas is
critical to refining models for the formation and distribution of porphyry copper deposits used …