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 …

A review of the intracontinental porphyry deposits in the Middle-Lower Yangtze River Valley metallogenic belt, Eastern China

T Zhou, S Wang, Y Fan, F Yuan, D Zhang… - Ore Geology Reviews, 2015 - Elsevier
Abstract The Middle-Lower Yangtze River Valley Metallogenic Belt (MLYB) is one of the
most important metallogenic belts in eastern China, and contains many important porphyry …

Linkages between volcanotectonic settings, ore-fluid compositions, and epithermal precious metal deposits

RH Sillitoe, JW Hedenquist - 2005 - pubs.geoscienceworld.org
Abstract Epithermal Au and Ag deposits of both vein and bulk-tonnage styles may be
broadly grouped into high-, intermediate-, and low-sulfidation types based on the sulfidation …

Oxidation condition and metal fertility of granitic magmas: Zircon trace-element data from porphyry Cu deposits in the Central Asian orogenic belt

P Shen, K Hattori, H Pan, S Jackson… - Economic …, 2015 - pubs.geoscienceworld.org
Abstract The Central Asian Orogenic Belt (CAOB) hosts a number of porphyry Cu deposits,
all associated with calc-alkaline granitic rocks and ranging in size from giant to small. Major …

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 …

Gold-rich porphyry deposits: descriptive and genetic models and their role in exploration and discovery

RH Sillitoe - 2000 - pubs.geoscienceworld.org
Gold-rich porphyry deposits worldwide conform well to a generalized descriptive model. This
model incorporates six main facies of hydrothermal alteration and mineralization, which are …

The 15 June 1991 Eruption of Mount Pinatubo. I. Phase Equilibria and Pre-eruption PTfO2fH2O Conditions of the Dacite Magma

B Scaillet, BW Evans - Journal of Petrology, 1999 - academic.oup.com
Crystallization experiments were carried out on a representative sample of the crystal-rich
dacite ejected during the 15 June 1991 eruption of Mt Pinatubo, to define the pre-eruption …

Contribution of mafic melt to porphyry copper mineralization: evidence from Mount Pinatubo, Philippines, and Bingham Canyon, Utah, USA

KH Hattori, JD Keith - Mineralium Deposita, 2001 - Springer
Mount Pinatubo in the Philippines, known for its cataclysmic eruption in 1991, hosts several
porphyry copper deposits and active geothermal systems. An underlying mafic melt supplied …

The effect of pressure on sulphur speciation in mid-to deep-crustal arc magmas and implications for the formation of porphyry copper deposits

V Matjuschkin, JD Blundy, RA Brooker - Contributions to Mineralogy and …, 2016 - Springer
Piston cylinder experiments are used to investigate the effect of oxygen fugacity (ƒO 2) on
sulphur speciation and phase relations in arc magmas at 0.5–1.5 GPa and 840–950° C. The …

[引用][C] Porphyry deposits: Characteristics and origin of hypogene features

E Seedorff, JH Dilles, JM Proffett, MT Einaudi… - 2005