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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.[2][1] The dome has a diameter of 5 kilometres (3.1 mi) and fills the vent area of the ignimbrite.[3] Licancabur volcano is constructed on top of this ignimbrite.[4] Some Inka ceramics are derived from the clay in this ignimbrite.[5]


References


  1. 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.
  2. 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.
  3. 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.
  4. FIGUEROA, Oscar; DERUELLE, Bernard (September 1996). "LICANCABUR, AN ANDESITIC VOLCANO OF THE SOUTH-CENTRAL ANDES" (PDF): 563. Retrieved 19 January 2016. {{cite journal}}: Cite journal requires |journal= (help)
  5. 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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