Nevado del Tolima
| Nevado del Tolima | |
|---|---|
Nevado del Tolima in 1985
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| Highest point | |
| Elevation | 5,276 metres (17,303 feet) |
| Listing | List of volcanoes in Colombia |
| Coordinates | 4°40′N 75°20′W / 4.667°N 75.333°WCoordinates: 4°40′N 75°20′W / 4.667°N 75.333°W |
| Geography | |
| Location | Tolima Department, Colombia |
| Parent range | Cordillera Central |
| Geology | |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | Andean Volcanic Belt |
| Last eruption | March 1943 |
Nevado del Tolima is a stratovolcano located in Tolima Department, Colombia, south of Nevado del Ruiz volcano.
The steep-sided, glacier-clad Nevado del Tolima volcano contrasts with the broad profile of Nevado del Ruiz volcano to the north. The andesitic-dacitic younger Tolima volcano formed during the past 40,000 years, rising above and largely obscuring a 3-km-wide late- caldera. The summit consists of a cluster of late-Pleistocene to Holocene lava domes that were associated with thick block-lava flows on the northern and eastern flanks and extensive pyroclastic-flow deposits. The summit contains a funnel-shaped crater 200–300 m deep. This crater is quite recent and was not present in December 1926. <"El Grafico" 19 February 1927 no. 819 page 714 first column at the bottom>
Holocene activity has included explosive eruptions ranging in size from moderate to plinian. The last major eruption took place about 3600 years ago. Lava dome growth has produced block-and-ash flows that traveled primarily to the NE and SE. Minor explosive eruptions have been recorded from Tolima in the 19th and 20th centuries.
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