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High Sr/Y arc magmas and porphyry Cu ± Mo ± Au deposits : just add water

Jeremy P. Richards, Auteur |

Dans Economic geology (Vol. 106 N° 7, Novembre 2011)

Porphyry Cu ± Mo ± Au deposits are commonly associated with intermediate composition arc-related igneous rocks with high Sr/Y (and La/Yb) ratios, and such rocks are equated by some researchers with melts derived from subducted oceanic crust unde[...]

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High Sr/Y magmas reflect arc maturity, high magmatic water content, and porphyry Cu ± Mo ± Au potential : examples from the tethyan arcs of central and eastern Iran and western Pakistan

Jeremy P. Richards, Auteur ; Terry Spell, Auteur ; Esmaeil Rameh, Auteur |

Dans Economic geology (Vol. 107 N° 2, Mars/Avril 2012)

The temporal and geochemical evolution of arc magmatism that culminated in porphyry Cu ± Mo ± Au deposit formation has been studied in three separate Neo-Tethyan arc systems in central and eastern Iran, and western Pakistan. Porphyry Cu-Au depos[...]

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Mining, society and a sustainable world

Jeremy P. Richards, Auteur |

Dans Economic geology (Vol. 105 N° 5, Août 2010)

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