Cerro Cebollar

Coordinates: 21°37′S 68°28′W / 21.617°S 68.467°W / -21.617; -68.467[1] Cerro Cebollar is a 5,716-metre-high (18,753 ft) volcano including andesitic-dacitic irregular lava flows. They contain 61.7–61.8% SiO2; the volcano itself is a few million years old judging by its appearance. It is covered by a rhyolitic pumice coming from a neighbouring caldera.[1] It is part of the Cerro de las Cuevas-Cerro Palpana volcanic chain.[2]

References

  1. 1 2 Wigger, edited by Klaus-Joachim Reutter, Ekkehard Scheuber, Peter J. (1994). Tectonics of the Southern Central Andes Structure and Evolution of an Active Continental Margin. Berlin, Heidelberg: Springer Berlin Heidelberg. p. 84. ISBN 9783642773532. Retrieved 24 November 2015.
  2. ↑ Wörner, Gerhard; Hammerschmidt, Konrad; Henjes-Kunst, Friedhelm; Lezaun, Judith; Wilke, Hans (December 2000). "Geochronology (40Ar/39Ar, K-Ar and He-exposure ages) of Cenozoic magmatic rocks from Northern Chile (18-22°S): implications for magmatism and tectonic evolution of the central Andes". Revista Geológica de Chile. 27 (2). ISSN 0716-0208. Retrieved 24 November 2015.
  • Worner, Gerhardt; Lopez-Escobar, Leopoldo; Moorbath, Stephen; Horn, Susan; Entenmann, Jürgen; Harmon, Russel S.; Davidson, Jon D. (1992). "Variaciones geoquimicas, locales y regionales, en el frente volcanico cuaternario de los Andes centrales (17°30'-22°00'S), norte de Chile". Andean Geology (in Spanish). 19 (1): 54. Archived from the original on 22 March 2017. Retrieved 24 November 2015.
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