The age and constitution of Cerro Campanario, a mafic stratovolcano in the Andes of central Chile
Revista Geologica de Chile
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Abstract
Cerro Campanario, a towering landmark on the continental divide near Paso Pehuenche, is a glacially eroded remnant of a mafic stratovolcano that is much younger than previously supposed. Consisting of fairly uniform basaltic andesite, rich in olivine and plagioclase, the 10-15 km3 edifice grew rapidly near the end of the middle Pleistocene, about 150-160 ka, as indicated by 40Ar/39Ar and unspiked K-Ar analyses of its lavas.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The age and constitution of Cerro Campanario, a mafic stratovolcano in the Andes of central Chile |
| Series title | Revista Geologica de Chile |
| DOI | 10.4067/S0716-02081998000100002 |
| Volume | 25 |
| Issue | 1 |
| Year Published | 1998 |
| Language | English |
| Publisher | Servicio Nacional de Geología y Minería |
| Contributing office(s) | Volcano Hazards Program |
| Description | 12 p. |
| First page | 17 |
| Last page | 28 |