Why large porphyry Cu deposits like high Sr/Y magmas?

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Why large porphyry Cu deposits like high Sr/Y magmas?

Porphyry systems supply most copper and significant gold to our economy. Recent studies indicate that they are frequently associated with high Sr/Y magmatic rocks, but the meaning of this association remains elusive. Understanding the association between high Sr/Y magmatic rocks and porphyry-type deposits is essential to develop genetic models that can be used for exploration purposes. Here we ...

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New evidence of magmatic-fluid–related phyllic alteration: Implications for the genesis of porphyry Cu deposits

The phyllic alteration in a number of circum-Pacific porphyry Cu-Au deposits is related to high-temperature saline magmatic fluids. This contradicts the widely used genetic models wherein phyllic alteration formed as the result of mixing between magmatic and meteoric fluids. At the Endeavour 26 North porphyry deposit in eastern Australia, the transition from early potassic to the main-stage phy...

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Stochastic modelling of deep magmatic controls on porphyry copper deposit endowment

Porphyry deposits, our main source of copper and of significant amounts of Mo, Re and Au, form at convergent margins in association with intermediate-felsic magmas. Although it is accepted that copper is transported and precipitated by fluids released by these magmas, the magmatic processes leading to the formation of economic deposits remain elusive. Here we perform Monte Carlo petrological an...

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Testing Established Models of Hydrothermal Fluid Distribution Around Porphyry Deposits: The Application of Fluid Inclusion Research to Porphyry Deposit Exploration

.................................................................................................................................. iii LIST OF TABLES ........................................................................................................................ vii LIST OF FIGURES .............................................................................................................

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ژورنال

عنوان ژورنال: Scientific Reports

سال: 2012

ISSN: 2045-2322

DOI: 10.1038/srep00685