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The document summarizes geochronological and geological data on granitoids of the Coast Range of central Chile. It finds that the Southern Coastal Batholith is mainly composed of Late Carboniferous to Permian calc-alkaline granitoids. Triassic and Jurassic plutons of limited extent also occur. Initial Sr isotope ratios indicate the Paleozoic granitoids were derived from a different source than younger Mesozoic plutons. The northern limit of the Paleozoic rocks is presumed to be an inactive fault zone.

Author

javish astete

Language

EN