Argentina 6 Mendoza 6 South America 6 Adularia 4 Boiling upflow 4 Hydrothermal quartz 4 Low-sulfidation epithermal system 4 San Rafael Massif 4 Upper section of Choiyoi Group 4 abyssal zone 4 epithermal deposit 4 hydrothermal activity 4 hydrothermal alteration 4 hydrothermal system 4 outcrop 4 petrography 4 pseudomorph 4 recrystallization 4 rhyolite 4 CHOIYOI GROUP 3 CORDILLERA FRONTAL 3 GONDWANA 3 GRUPO CHOIYOI 3 PERMO-TRIASICO 3 PERMO-TRIASSIC 3 Andes 2 Choiyoi Group 2 Lithospheric anisotropy 2 Oblique extension 2 Permian-Triassic boundary 2