Risco Plateado

Short description: Mountain in Argentina

Risco Plateado

Risco Plateado

Location in Argentina

Highest point
Elevation| 4,999 m (16,401 ft) [1]
Prominence| 1,602 m (5,256 ft) [1]
Listing| Ultra
Coordinates|  [ ⚑ ] : 34°55′06″S 69°59′39″W﻿ / ﻿34.91833°S 69.99417°W﻿ / -34.91833; -69.99417 [1]
Geography
Location| Argentina
Parent range| Andes
Geology
Mountain type| Stratovolcano
Last eruption| Unknown

Risco Plateado is a stratovolcano in Argentina , with an elevation of 4,999 metres (16,401 ft) above sea level. With a prominence of 1,602 metres (5,256 ft), it is one of the many ultra prominent peaks in the Andes. The equilibrium line altitude of the volcano lies at an altitude of 3,800 metres (12,500 ft).[2]

This stratovolcano has a 4 kilometres (2.5 mi) wide caldera with eruptive centres on its northeastern and southwestern margins. These centres are aligned on a northeast-trending fracture that also includes a monogenetic centre 8 kilometres (5.0 mi) northeast of the caldera (GVP). The volcano has produced long lava flows, although the more proximal parts of the flow were later degraded by glaciation.[3] The volcano has been assigned a Holocene age given the young appearance of some of its eruption products.[4] The volcanism was at first dacitic and later changed to basaltic andesite (GVP).

## See also

* List of volcanoes in Argentina
* List of Ultras of South America

## References

1. ↑ 1.0 1.1 1.2 "Argentina and Chile, Central Ultra Prominences". Peaklist.org. Retrieved 2013-07-17.
2. ↑ Singh, Ram Bali (1992) (in en). Dynamics of Mountain Geosystems. APH Publishing. pp. 380. ISBN 9788170244721. https://books.google.com/books?id=P59sPiXnWpIC&dq=risco+plateado&pg=PA153.
3. ↑ Sruoga, Patricia; Rubinstein, Nora A.; Etcheverría, Mariela P.; Cegarra, Marcelo; Kay, Suzanne M.; Singer, Brad; Lee, James (September 2008). "Estadío inicial del arco volcánico neógeno en la Cordillera Principal de Mendoza (35° S)". Revista de la Asociación Geológica Argentina 63 (3): 454–469. ISSN 0004-4822. http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S0004-48222008000300013&lng=es&nrm=iso&tlng=es.
4. ↑ Fontijn, Karen; Lachowycz, Stefan M.; Rawson, Harriet; Pyle, David M.; Mather, Tamsin A.; Naranjo, José A.; Moreno-Roa, Hugo (2014-04-01). "Late Quaternary tephrostratigraphy of southern Chile and Argentina". Quaternary Science Reviews 89: 75. doi:10.1016/j.quascirev.2014.02.007.

* "Risco Plateado". Smithsonian Institution. https://volcano.si.edu/volcano.cfm?vn=357024.

## External links

* "Cerro Risco Plateado, Argentina" on Peakbagger

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