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sierradetecka @fieldwork:sierradetecka #Argentina #Jurassic #Paleozoic #Patagonia #Sierra de Tecka #fieldwork #laccolith #mapping

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. Geochemical analyses indicates that significant crustal anatexis under conditions of regional extension... n extensional regime with thinning of continental crust, graben formation and associated volcanism. Howev... ction zone as the causes of extension and partial crustal melting in Patagonia. This model is also part o... arts of southern South America are not required. Crustal extension, associated with one of the most sign