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- sierradetecka #Argentina #Jurassic #Paleozoic #Patagonia #Sierra de Tecka #fieldwork #laccolith #mapping
- n extensional regime with thinning of continental crust, graben formation and associated volcanism. Howev... rocks generated by partial melting of mafic lower crust are widespread throughout Patagonia [Pankhurst & ... expression of the opening and creation of oceanic crust in the of the Rocas Verdes basin at the western m... ents that finally led to the formation of oceanic crust in the South Atlantic in the Early Cretaceous [Ul