Precambrian, lower and upper Paleozoic, and Triassic to Tertiary formations, and structures produced during three main orogenic cycles (pre-Paleozoic, Permo-Triassic, and the Tertiary Andean movements) are represented in Mendoza, Argentina. Nine physiographic and geologic provinces are distinguished and briefly characterized. Mineral resources include oil and gas, found mainly in upper Triassic rocks of the badlands region (Huayquerias), sulfide and other ores related to Permo- Triassic and Tertiary igneous activity, and extensive Jurassic gypsum and Cretaceous limestone deposits.

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