The Nevado El Cisne (English: The Snowy Swan) is a volcano in the Central Ranges of the Andes in Colombia. Its summit is at an altitude of 4,636 metres (15,210 ft).[1] The mountain is one of the five lava domes of the Nevado del Ruiz volcano complex.[2] Despite the nevado part of the name, indicating a permanently snow-capped mountain, the summit of El Cisne is now below the permanent snow line as a result of global warming, and it is no longer considered a true nevado.[3] The volcano is located over the Palestina Fault, that crosscuts the underlying El Bosque Batholith of Eocene age, dated at 49.1 ± 1.7 Ma.[4][5]
Nevado El Cisne | |
---|---|
Highest point | |
Elevation | 4,636 m (15,210 ft)[1] |
Parent peak | Nevado del Ruiz |
Listing | Los Nevados National Natural Park |
Coordinates | 4°50′35″N 75°21′08″W / 4.84306°N 75.35222°W[2] |
Geography | |
Location | Caldas & Tolima Colombia |
Parent range | Central Ranges Andes |
Geology | |
Mountain type | Basaltic lava dome |
Volcanic belt | North Volcanic Zone Andean Volcanic Belt |
See also edit
References edit
- ^ a b Pollard, Peter (2000). Colombia Handbook (2nd ed.). Bath: Footprint Handbooks Limited. p. 297. ISBN 1-900949-71-7.
- ^ a b "Nevado del Ruiz: Synonyms and Subfeatures", Global Volcanism Program, Smithsonian Institution
- ^ "Ruiz-Tolima Volcanic Massif", US Geological Survey
- ^ Plancha 225, 1998
- ^ González, 2001, p.50
Bibliography edit
- González, Humberto (2001). Geología de las planchas 206 Manizales y 225 Nevado del Ruiz - 1:100,000 - Memoria explicativa (PDF) (Report). INGEOMINAS. pp. 1–93. Retrieved 2017-06-09.[dead link]
- Mosquera, Darío; Martín, Pedro; Vesga, Carlos; González, Humberto (1998). Plancha 225 - Nevado del Ruiz - 1:100,000 (Map). INGEOMINAS. p. 1. Retrieved 2017-06-06.
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