Geochronology and petrochemistry of Late Cretaceous-(?)Paleogene volcanic sequences from the eastern central Patagonian Cordillera (45°-45°40'S)

Geochronology and petrochemistry of Late Cretaceous-(?)Paleogene volcanic sequences from the eastern central Patagonian Cordillera (45°-45°40'S)

In the eastern part of the central Patagonian Cordillera (45°15’-45°40’S), northeast of the town of Coihaique, the chronology of volcanic sequences are documented by detailed field work and twelve new K-Ar dates that have established their Late Cretaceous-(?)Paleogene age. The oldest sequence corres...

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Bibliographic Details
Main Authors: Demant,Alain, Suárez,Manuel, De la Cruz,Rita
Language:English
Published: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2007
Subjects:
Volcanism
Patagonian Andes
Upper Cretaceous
K-Ar ages
Petrochemistry
Online Access:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082007000100001
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