Intracrustal Derivation of Na-Rich Andesitic and Dacitic Magmas: An Example from Volcán Ollagüe, Andean Central Volcanic Zone

Andesitic and dacitic lavas erupted from Quaternary stratovolcanoes in the Central Volcanic Zone (CVZ) of the Andes have major and trace element compositions similar to proposed melts of subducted mid-ocean ridge basalt and Na-rich trondjhemites, tonalites, and granodiorites (TTG) in Early Archean h...

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Veröffentlicht in:	The Journal of geology 1995-03, Vol.103 (2), p.213-225
Hauptverfasser:	Feeley, T. C., Hacker, M. D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Andesite Basalt Continental crust Fractionation Geology Lava Magma Melting Rocks Trace elements Volcanoes
Online-Zugang:	Volltext
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