Quaternary volcanic activity of Hudson and Lautaro volcanoes, Chilean Patagonia: New constraints from K-Ar ages

Quaternary volcanic activity of Hudson and Lautaro volcanoes, Chilean Patagonia: New constraints from K-Ar ages

Twenty-nine K-Ar ages for lavas and juvenile ejecta obtained from Hudson volcano in the southern end of the Southern Volcanic Zone and Lautaro volcano in the northern end of the Austral Volcanic Zone, which are separated by a 350 km-long volcanic gap near the Chile ridge subduction zone, were determ...

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Bibliographic Details
Main Authors: Orihashi,Yuji, Naranjo,José A., Motoki,Akihisa, Sumino,Hirochika, Hirata,Daiji, Anma,Ryo, Nagao,Keisuke
Language:English
Published: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2004
Subjects:
Quaternary volcanic activity
K-Ar dating
Chilean Patagonia
Ridge subduction
Southern Volcanic Zone
Austral Volcanic Zone
Hudson volcano
Lautaro volcano
Caldera
Unspiked method
Online Access:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082004000200002
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