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Coordinates: 22°32′S 66°32′W / 22.533°S 66.533°W / -22.533; -66.533
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| region = Puna de Atacama
| region = Puna de Atacama
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{{coord|22|32|S|66|32|W|display=title}}'''Abra Granada''' is a volcanic complex in the [[Puna de Atacama]] in [[Bolivia]]. It is located approximately {{convert|45|km}} north of [[Pirquitas]] and is composed from a [[lava dome]], [[lava]]s and [[dacitic]] [[ignimbrite]]s centering on Cerro Granada ({{convert|5700|m}}) and are dated 9.8-7.8 Ma.<ref>{{Cite report |author1=Warwick S. Board |author2=R. Bruce Kennedy |author3=Trevor J. Yeomans |date=December 23, 2011 |title=NI 43-101 Technical Report on the Pirquitas Mine, Jujuy Province, Argentina. |url=http://www.silverstandard.com/_resources/Pirquitas_Technical_Report_Dec_23_FINAL_v2.pdf |publisher=Silver Standard Resources Inc. |page=55 |accessdate=August 22, 2015 |quote= }}</ref> Deposits erupted 7.9-5.0 [[mya (unit)|mya]] by this volcano overlie the older Granada [[ignimbrite]].<ref name="CaffeSoler2008">{{cite journal|last1=Caffe|first1=P.J.|last2=Soler|first2=M.M.|last3=Coira|first3=B.L.|last4=Onoe|first4=A.T.|last5=Cordani|first5=U.G.|title=The Granada ignimbrite: A compound pyroclastic unit and its relationship with Upper Miocene caldera volcanism in the northern Puna|journal=Journal of South American Earth Sciences|volume=25|issue=4|year=2008|pages=464–484|issn=0895-9811|doi=10.1016/j.jsames.2007.10.004}}</ref> Other [[peraluminous]] rocks were erupted 10 [[mya (unit)|mya]].<ref>{{cite press release | title=GEOQUÍMICA, FUENTES Y EVOLUCIÓN DEL MAGMATISMO NEÓGENO DE LA PUNA NORTE | publisher=RELATORIO DEL XVII CONGRESO GEOLÓGICO ARGENTIN | date=July 2008 | language=es}}</ref> The complex is the likely source of the Granada Ignimbrite. The ignimbrite reaches its maximum thickness in the complex.<ref>{{cite conference | url=http://www.geofisica.unam.mx/LatinmagLetters/LL11-0102P/D/D26-Singer.pdf | title=APLICACIÓN DE LA ANISOTROPÍA DE SUSCEPTIBILIDAD MAGNÉTICA AL RECONOCIMIENTO DE DEPÓSITOS VO LCANICLÁSTICOS EN EL COMPLEJO VOLCÁNICO ALTIPLANO - PUNA, ANDES CENTRALES, ARGENTINA | publisher=Latinmag Letters | accessdate=August 22, 2015 |author1=Silvia E. Singer |author2=Rubén Somoza |author3=Juan F. A. Vilas | booktitle=Tandil | year=2011 | location=Argentina |language=es }}</ref>
{{coord|22|32|S|66|32|W|display=title}}'''Abra Granada''' is a volcanic complex in the [[Puna de Atacama]] in [[Bolivia]]. It is located approximately {{convert|45|km}} north of [[Pirquitas]] and is composed from a [[lava dome]], [[lava]]s and [[dacitic]] [[ignimbrite]]s centering on Cerro Granada ({{convert|5700|m}}) and are dated 9.8-7.8 Ma.<ref>{{Cite report |author1=Warwick S. Board |author2=R. Bruce Kennedy |author3=Trevor J. Yeomans |date=December 23, 2011 |title=NI 43-101 Technical Report on the Pirquitas Mine, Jujuy Province, Argentina. |url=http://www.silverstandard.com/_resources/Pirquitas_Technical_Report_Dec_23_FINAL_v2.pdf |publisher=Silver Standard Resources Inc. |page=55 |access-date=August 22, 2015 }}</ref> Deposits erupted 7.9-5.0 [[mya (unit)|mya]] by this volcano overlie the older Granada [[ignimbrite]].<ref name="CaffeSoler2008">{{cite journal|last1=Caffe|first1=P.J.|last2=Soler|first2=M.M.|last3=Coira|first3=B.L.|last4=Onoe|first4=A.T.|last5=Cordani|first5=U.G.|title=The Granada ignimbrite: A compound pyroclastic unit and its relationship with Upper Miocene caldera volcanism in the northern Puna|journal=Journal of South American Earth Sciences|volume=25|issue=4|year=2008|pages=464–484|issn=0895-9811|doi=10.1016/j.jsames.2007.10.004}}</ref> Individual volcanic centres are known as Cerro Caucani, Cerro Granada and Cerro Solterío. The Pirquitas [[Mining|mine]] is part of the volcanic complex.<ref>{{cite journal |last1=Peralta Arnold |first1=Y. |last2=Cabassi |first2=J. |last3=Tassi |first3=F. |last4=Caffe |first4=P. J. |last5=Vaselli |first5=O. |title=Fluid geochemistry of a deep-seated geothermal resource in the Puna plateau (Jujuy Province, Argentina) |journal=Journal of Volcanology and Geothermal Research |date=15 May 2017 |volume=338 |page=123 |doi=10.1016/j.jvolgeores.2017.03.030 |url=https://www.sciencedirect.com/science/article/pii/S0377027316305194 |language=en |issn=0377-0273|hdl=2158/1087501 |hdl-access=free }}</ref>
Other [[peraluminous]] rocks were erupted 10 [[mya (unit)|mya]].<ref>{{cite press release | title=GEOQUÍMICA, FUENTES Y EVOLUCIÓN DEL MAGMATISMO NEÓGENO DE LA PUNA NORTE | publisher=RELATORIO DEL XVII CONGRESO GEOLÓGICO ARGENTIN | date=July 2008 | language=es}}</ref> The complex is the likely source of the Granada Ignimbrite. The ignimbrite reaches its maximum thickness in the complex.<ref>{{cite conference | url=http://www.geofisica.unam.mx/LatinmagLetters/LL11-0102P/D/D26-Singer.pdf | title=APLICACIÓN DE LA ANISOTROPÍA DE SUSCEPTIBILIDAD MAGNÉTICA AL RECONOCIMIENTO DE DEPÓSITOS VO LCANICLÁSTICOS EN EL COMPLEJO VOLCÁNICO ALTIPLANO - PUNA, ANDES CENTRALES, ARGENTINA | publisher=Latinmag Letters | access-date=August 22, 2015 |author1=Silvia E. Singer |author2=Rubén Somoza |author3=Juan F. A. Vilas | book-title=Tandil | year=2011 | location=Argentina |language=es }}</ref>


==References==
==References==
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[[Category:Volcanoes of Bolivia]]
[[Category:Volcanoes of Bolivia]]
⚫
[[Category:Lava domes]]
[[Category:Polygenetic volcanoes]]
[[Category:Polygenetic volcanoes]]
⚫
[[Category:Miocene lava domes]]



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Revision as of 08:34, 7 February 2024

Abra Granada
LandBolivien
RegionPuna de Atacama
Age9.8-7.8 Ma
Last eruption7.9-5.0 mya

22°32′S 66°32′W / 22.533°S 66.533°W / -22.533; -66.533Abra Granada is a volcanic complex in the Puna de Atacama in Bolivien. It is located approximately 45 kilometres (28 mi) north of Pirquitas and is composed from a lava dome, lavas and dacitic ignimbrites centering on Cerro Granada (5,700 metres (18,700 ft)) and are dated 9.8-7.8 Ma.[1] Deposits erupted 7.9-5.0 mya by this volcano overlie the older Granada ignimbrite.[2] Individual volcanic centres are known as Cerro Caucani, Cerro Granada and Cerro Solterío. The Pirquitas mine is part of the volcanic complex.[3]

Other peraluminous rocks were erupted 10 mya.[4] The complex is the likely source of the Granada Ignimbrite. The ignimbrite reaches its maximum thickness in the complex.[5]

References

  1. ^ Warwick S. Board; R. Bruce Kennedy; Trevor J. Yeomans (December 23, 2011). NI 43-101 Technical Report on the Pirquitas Mine, Jujuy Province, Argentina (PDF) (Report). Silver Standard Resources Inc. p. 55. Retrieved August 22, 2015.
  2. ^ Caffe, P.J.; Soler, M.M.; Coira, B.L.; Onoe, A.T.; Cordani, U.G. (2008). "The Granada ignimbrite: A compound pyroclastic unit and its relationship with Upper Miocene caldera volcanism in the northern Puna". Journal of South American Earth Sciences. 25 (4): 464–484. doi:10.1016/j.jsames.2007.10.004. ISSN 0895-9811.
  3. ^ Peralta Arnold, Y.; Cabassi, J.; Tassi, F.; Caffe, P. J.; Vaselli, O. (15 May 2017). "Fluid geochemistry of a deep-seated geothermal resource in the Puna plateau (Jujuy Province, Argentina)". Journal of Volcanology and Geothermal Research. 338: 123. doi:10.1016/j.jvolgeores.2017.03.030. hdl:2158/1087501. ISSN 0377-0273.
  4. ^ "GEOQUÍMICA, FUENTES Y EVOLUCIÓN DEL MAGMATISMO NEÓGENO DE LA PUNA NORTE" (Press release) (in Spanish). RELATORIO DEL XVII CONGRESO GEOLÓGICO ARGENTIN. July 2008.
  5. ^ Silvia E. Singer; Rubén Somoza; Juan F. A. Vilas (2011). "APLICACIÓN DE LA ANISOTROPÍA DE SUSCEPTIBILIDAD MAGNÉTICA AL RECONOCIMIENTO DE DEPÓSITOS VO LCANICLÁSTICOS EN EL COMPLEJO VOLCÁNICO ALTIPLANO - PUNA, ANDES CENTRALES, ARGENTINA" (PDF). Tandil (in Spanish). Argentina: Latinmag Letters. Retrieved August 22, 2015.

Further reading

Caffe, P.J.; Soler, M.M.; Coira, B.L.; Onoe, A.T.; Cordani, U.G. (2008). "The Granada ignimbrite: A compound pyroclastic unit and its relationship with Upper Miocene caldera volcanism in the northern Puna". Journal of South American Earth Sciences. 25 (4): 464–484. doi:10.1016/j.jsames.2007.10.004. ISSN 0895-9811.

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