Browsing by Subject "Calc-alkaline magmatism"
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(Servicio Nacional de Geologia y Mineria, 2010)We present a chronological (K-Ar), petrologic and geochemical study (major and trace elements, Sr- Nd isotopes) of Middle Miocene (ca. 16-14 Ma) calc-alkaline rocks (basalts to andesites) extruded in the present-day back-arc ...