The oxidation state, and sulfur and Cu contents of arc magmas: implications for metallogeny

JP Richards - Lithos, 2015 - Elsevier
Global data for measured Fe 2 O 3/FeO ratios and Cu contents in unaltered volcanic and
intrusive arc rocks indicate that, on average, they are slightly more oxidized than other …

Magmatic to hydrothermal metal fluxes in convergent and collided margins

JP Richards - Ore Geology Reviews, 2011 - Elsevier
Metals such as Cu, Mo, Au, Sn, and W in porphyry and related epithermal mineral deposits
are derived predominantly from the associated magmas, via magmatic–hydrothermal fluids …

[图书][B] Introduction to ore-forming processes

L Robb - 2020 - books.google.com
A comprehensive account of ore-forming processes, revised and updated The revised
second edition of Introduction to Ore-Forming Processes offers a guide to the multiplicity of …

100th Anniversary Special Paper: Vapor Transport of Metals and the Formation of Magmatic-Hydrothermal Ore Deposits

AE Williams-Jones, CA Heinrich - Economic Geology, 2005 - pubs.geoscienceworld.org
In most published hydrothermal ore deposit models, the main agent of metal transport is an
aqueous liquid. However, there is increasing evidence from volcanic vapors, geothermal …

Zircon compositional evidence for sulfur-degassing from ore-forming arc magmas

JH Dilles, AJR Kent, JL Wooden… - Economic …, 2015 - pubs.geoscienceworld.org
Abstract Porphyry Cu (±Mo±Au) and epithermal Au-Ag deposits are major sources of mined
metals and are commonly formed by magmatic-hydrothermal fluids derived from hydrous …

Magmatic-hydrothermal tin deposits form in response to efficient tin extraction upon magma degassing

P Zhao, Z Zajacz, A Tsay, S Yuan - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Most of the global Sn resources are from granite-related ore deposits, which form in
response to cassiterite precipitation from hydrothermal fluids. However, the physical and …

Characteristics and controls of the largest porphyry copper‐gold and epithermal gold deposits in the circum‐Pacific region

RH Sillitoe - Australian Journal of Earth Sciences, 1997 - Taylor & Francis
Eleven gold‐rich porphyry copper and 14 epithermal gold deposits around the Pacific rim
contain> 200 t (‐7 million oz) of gold. These large porphyry‐type deposits conform to a …

Determination of fluid/melt partition coefficients by LA-ICPMS analysis of co-existing fluid and silicate melt inclusions: Controls on element partitioning

Z Zajacz, WE Halter, T Pettke, M Guillong - Geochimica et Cosmochimica …, 2008 - Elsevier
Analyses of co-existing silicate melt and fluid inclusions, entrapped in quartz crystals in
volatile saturated magmatic systems, allowed direct quantitative determination of fluid/melt …

Special paper: the composition of magmatic-hydrothermal fluids in barren and mineralized intrusions

A Audétat, T Pettke, CA Heinrich… - Economic …, 2008 - pubs.geoscienceworld.org
This paper addresses the question of whether or not there are fundamental differences in
the composition of magmatic-hydrothermal fluids in barren versus variably mineralized …

The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study

CA Heinrich - Mineralium Deposita, 2005 - Springer
Fluid-phase relationships and thermodynamic reaction modelling based on published
mineral solubility data are used to re-assess the Cu–Au-mineralising fluid processes related …