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Norbert Clauer, Edward Keppens, I. Tonguç Uysal and Amélie Aubert
A combined ultrasonic treatment, with de-ionized H2O, dilute HAc or dilute HCl, of three Mid-Miocene glauconite samples was applied to K?Ar date the different separates in order to compare the results with those obtained by the Rb?Sr method using the sam...
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Daniel Sellés,A. Carolina Rodriguez,Michael A. Dungan,Jose A. Naranjo,Moyra Gardeweg
Pág. 293 - 316
The Quaternary Nevado de Longaví volcano of the Andean Southern Volcanic Zone (SVZ) has erupted magmas that range in composition from basalt to low-silica dacite, although andesites are the dominant erupted magma type. Amphibole is a common phenocryst ph...
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