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Volcán Illiniza

Iliniza

Estratovolcán · Ecuador · 5162 m

The twin peaks of Illiniza volcano form prominent landmarks west of the Interandean Valley. Sharp-peaked, snow-covered Illiniza Sur (right) is the higher of the two peaks. It is seen here from the south with Illiniza Norte to its left. Illiniza is largely, if not entirely Pleistocene in age. However, Rasuyacu lava dome on the south flank was active during the Holocene. Recent work suggests that Illiniza itself, which is substantially eroded, may have had relatively young eruptions.
The twin peaks of Illiniza volcano form prominent landmarks west of the Interandean Valley. Sharp-peaked, snow-covered Illiniza Sur (right) is the higher of the two peaks. It is seen here from the south with Illiniza Norte to its left. Illiniza is largely, if not entirely Pleistocene in age. However, Rasuyacu lava dome on the south flank was active during the Holocene. Recent work suggests that Illiniza itself, which is substantially eroded, may have had relatively young eruptions. · Foto: Photo by Lee Siebert, 1978 (Smithsonian Institution). · Wikimedia Commons
Tipo
Estratovolcán
País
Ecuador
Región
South America Volcanic Regions / Northern Andean Volcanic Arc
Altitud
5162 m
Coordenadas
-0.662, -78.716
Última erupción
Desconocido
Contexto tectónico
Subduction zone / Continental crust (> 25 km)
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

The two glacier-covered peaks of Iliniza volcano are prominent landmarks west of the Interandean Valley. The smaller Iliniza Norte is a remnant of the main volcanic edifice located 1.8 km NNW of the younger Iliniza Sur, an andesitic-dacitic stratovolcano surrounded by thick pyroclastic-flow deposits. The edifice is mainly Pleistocene, though the Tishigcuchi (Rasuyacu) lava dome on the S flank was active during the Holocene. Iliniza itself, which is substantially eroded, may also have had relatively young eruptions (Hall, 1987, pers. comm.). A lava dome forms the summit of Iliniza Sur, and two more lava domes are found on the southern and NE flanks of the complex.

Resumen de Wikipedia

Iliniza o Illiniza es un estratovolcán en Ecuador, situado unos 100 km al suroeste de Quito y 33 km al norte de Latacunga. Illiniza, un volcán potencialmente activo, consta de dos picos cubiertos de nieve: Illiniza Sur (5245 m) e Illiniza Norte (5126 m). La mayoría de guías escriben el nombre de la montaña con solo una «l» (Iliniza). Su nombre deriva de las palabras kunza para «cerro varón».

Wikipedia · CC BY-SA · Leer artículo completo →

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Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.