DATACIÓN DE UNA TOBA DE LA FORMACIÓN CRON AIKE (JURASICO DE SANTA CRUZ, PATAGONIA) POR EL MÉTODO DE POTASIO-ARGÓN

Horacio Cazeneuve

Abstract


In the present paper the results of an analysis by the Potassium - Argon method of a Jurassic volcanic tuff from Santa Cruz Province, Argentina, .is presented. .The data obtained confirm a Middle Jurassic age for the Chon Aike Formation (160,7 míllíon years) .

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