22°45′S 68°00′W / 22.750°S 68.000°W / -22.750; -68.000 Chaxas is a lava dome complex which has been the source of the 1.09±0.56 mya Chaxas ignimbrite in the Andes. The ignimbrite dips away from the domes and are partially younger than the Puripicar ignimbrite.
The dome has a diameter of 5 kilometres (3.1 mi) and fills the vent area of the ignimbrite. Licancabur volcano is constructed on top of this ignimbrite. Some Inka ceramics are derived from the clay in this ignimbrite.
References
- ^ Coira, B.; Kay, S. Mahlburg; Viramonte, J. (August 1993). "UPPER CENOZOIC MAGMATIC EVOLUTION OF THE ARGENTINE PUNA—A MODEL FOR CHANGING SUBDUCTION GEOMETRY". International Geology Review. 35 (8): 705. doi:10.1080/00206819309465552.
- GUEST, JOHN EDWARD (1969). "Upper Tertiary Ignimbrites in the Andean Cordillera of Part of the Antofagasta Province, Northern Chile". Geological Society of America Bulletin. 80 (3): 337. doi:10.1130/0016-7606(1969)80[337:UTIITA]2.0.CO;2.
- Baker, M.C.W. (December 1981). "The nature and distribution of upper cenozoic ignimbrite centres in the Central Andes". Journal of Volcanology and Geothermal Research. 11 (2–4): 300. doi:10.1016/0377-0273(81)90028-7.
- FIGUEROA, Oscar; DERUELLE, Bernard (September 1996). LICANCABUR, AN ANDESITIC VOLCANO OF THE SOUTH-CENTRAL ANDES (PDF). Third ISAG. p. 563. Retrieved 19 January 2016.
- Alden, John R.; Minc, Leah; Lynch, Thomas F. (April 2006). "Identifying the sources of Inka period ceramics from northern Chile: results of a neutron activation study". Journal of Archaeological Science. 33 (4): 575–594. doi:10.1016/j.jas.2005.09.015.
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