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| Weller, D. J.; Miranda, C. G.; Moreno, P. I.; Villa-martinez, R.; Stern, C. R.. |
| Correlations among and identification of the source volcanoes for over 60 Late Glacial and Holocene tephras preserved in eight lacustrine sediment cores taken from small lakes near Coyhaique, Chile (46 degrees S), were made based on the stratigraphic position of the tephra in the cores, lithostratigraphic data (tephra layer thickness and grain size), and tephra petrochemistry (glass color and morphology, phenocryst phases, and bulk-tephra trace element contents determined by ICP-MS). The cores preserve a record of explosive eruptions, since similar to 17,800 calibrated years before present (cal years BP), of the volcanoes of the southernmost Andean Southern Volcanic Zone (SSVZ). The suggested source volcanoes for 55 of these tephras include Hudson (32... |
| Tipo: Text |
Palavras-chave: Andean volcanism; Tephra; Tephrochronology; Hudson volcano; Chile. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00497/60839/64295.pdf |
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