Earth:Quinchilca (volcano)
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Quinchilca is a volcano in Chile . Template:Coord/display/intitle It is situated south of Villarrica volcano and consists of a caldera and lava domes.[1] The volcano has a semicircular form constructed by layers of lavas and volcaniclastic rocks, with an eroded core. Volcanic rocks include basalt and basaltic andesite.[2]
Potassium-argon dating has yielded an age of 800,000 ± 600,000 on its rocks,[3] older dates such as 1.4 ± 0.6 million years have been reported as well.[2]
References
- ↑ "Quinchilca". Smithsonian Institution. https://volcano.si.edu/volcano.cfm?vn=357813.
- ↑ 2.0 2.1 Lara, Luis; Rodríguez, Carolina; Moreno, Hugo; Pérez de Arce, Carlos (July 2001). "Geocronología K-Ar y geoquímica del volcanismo plioceno superior-pleistoceno de los Andes del sur (39-42°S)". Revista geológica de Chile 28 (1): 67–90. doi:10.4067/S0716-02082001000100004. ISSN 0716-0208. http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0716-02082001000100004&lng=es&nrm=iso&tlng=es.
- ↑ "Quinchilca". Smithsonian Institution. https://volcano.si.edu/volcano.cfm?vn=357813.
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