Geochronology of the Lower Cretaceous volcanism from the Coastal Range (29°20'-30°S), Chile

Geochronology of the Lower Cretaceous volcanism from the Coastal Range (29°20'-30°S), Chile

40Ar/39Ar age data (laser and furnace step heating) on plagioclase from Lower Cretaceous volcanic sequences from the Arqueros Formation in two sections of the Coastal Range at the latitude of La Serena (=29°S) have been obtained. Due to the partial alteration of plagioclase crystals, disturbed age s...

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Autores principales: Morata,Diego, Féraud,Gilbert, Aguirre,Luis, Arancibia,Gloria, Belmar,Mauricio, Morales,Salvador, Carrillo,Javier
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2008
Materias:
40Ar/39Ar dating
Plagioclase
Lower Cretaceous
Volcanism
Coastal Range
Chile
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-02082008000100006
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