Argentina 14 quartz vein mineralization 12 ore deposit 12 porphyry 10 Mendoza 8 copper 8 Porphyry copper 6 South America 6 feldspar 6 hydrothermal alteration 6 Choiyoi Magmatic Cycle lower section 4 Choiyoi magmatic cycle 4 Cu (Mo) porphyry 4 Genesis 4 Hydrothermal alteration 4 Lower section 4 Metals geochemistry 4 Permian 4 Quartz 4 San Rafael Massif 4 San rafael massif 4 breccia 4 fluid inclusion 4 geochemistry 4 hydrothermal system 4 ignimbrite 4 lava flow 4 magmatism 4 molybdenum 4