Cerro Panizos, Bolivia

By ExploreNow Editor, on November 29th, 2011%

Volcano Type: Caldera
Volcano Status: Miocene
Last Known Eruption: Unknown
Summit Elevation: 4700m-5400m
Latitude: 22º30′S
Longitude: 66º45′W

First recognised as an unusual volcanic construct by Friedman and Heiken (1977) on Skylab orbital photography, and independantly as an ignimbrite shield on MSS images by Baker (1981), Cerro Panizos straddles the frontier between Bolivia and Argentina and is the most easterly of the large silicic complexes in the APVC. Dating (Ort, 1992) indicates that Panizos is Late Miocene in age with no Holocene activity.

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Originally posted 2010-11-05 04:16:06.

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Tata Sabaya, Bolivia

By ExploreNow Editor, on November 5th, 2011%

Tata Sabaya

Volcano Type: Stratovolcano
Volcano Status: Holocene
Last Known Eruption: Unknown
Summit Elevation: 5430 m   17,815 feet
Latitude: 19.13°S   19°8’0″S
Longitude: 68.53°W   68°32’0″W

The symmetrical Tata Sabaya stratovolcano towers above the northern end of the Salar de Coipasa in the Altiplano of Bolivia. A pyroclastic shield capped by lava domes was topped by effusive eruptions that formed an unglaciated andesitic stratovolcano.

Collapse of this edifice produced a large late-Pleistocene debris avalanche that swept into the Salar de Coipasa and covered an area of more than 300 sq km south of the volcano, traveling up to 30 km.

Tata Sabaya

Tata Sabaya

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Originally posted 2010-10-05 07:52:06.

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