Igneous rocks related to porphyry Cu‐Au mineralization at the Dizon mine, Philippines

The Dizon Au‐rich porphyry Cu deposit, 0.67 Mt Cu and 174 t Au, is hosted by diorite and andesite porphyry intrusions, dated at ~2.5 Ma. Amphibole and Fe‐Ti oxides in relatively unaltered rocks were used to evaluate the magma conditions of intrusions. Parental magma for diorite porphyry was ~950°C a...

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Veröffentlicht in:	Resource geology 2021-10, Vol.71 (4), p.392-408
Hauptverfasser:	Midea, William P., Hattori, Keiko, Valera, Gabriel Theophilus V.
Format:	Artikel
Sprache:	eng
Schlagworte:	amphibole geothermobarometry Amphiboles Andesite Copper Destabilization Diorite Fe‐Ti oxide geothermobarometry Fluids Gold Igneous rocks Isotopes Lava Luzon arc Magma magma oxidation magmatic hydrothermal activity Mineralization Oxides Plagioclase Porphyry copper Seamounts Subduction Subduction (geology) Tectonics
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