Choiyoi Group (Spanish: Grupo Choiyoi) is a Permian and Triassic-aged group of volcano-sedimentary formations in Argentina and Chile. The group bears evidence of bimodal-style volcanism related to an ancient subduction zone that existed along the western margin of the supercontinent Gondwana.
Choiyoi Group (Spanish: Grupo Choiyoi) is a Permian and Triassic-aged group of volcano-sedimentary formations in Argentina and Chile. The group bears evidence of bimodal-style volcanism related to an ancient subduction zone that existed along the western margin of the supercontinent Gondwana.
Source: Wikipedia "Choiyoi Group" · CC BY-SA 4.0
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