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Escorial Volcano | John Seach
Chile/Argentina
25.08 S, 68.37 W
summit elevation 5451 m
Stratovolcano
Escorial Volcano is located in northern Chile, on the border with Argentina. The volcano contains a 1 km wide summit crater.
A sulphur mine is located 4 km SW of the volcano. Hydrothermal activity is present at the volcano. Warm springs (frozen at surface), mud vents, and fumaroles indicate the volcano is still active.
A large ignimbrite sheet is associated with Cerro Escorial, covering an area of approximately 105 sq km, with a maximum thickness of 6 m, and a maximum volume of 0.6 cubic km.
Most lava flows from Cerro Escorial descended the range to the southwest, on the Chilean side of the border, but a few small lobes flowed northeast. Vulcanian eruptions accompanied lava extrusion, and scattered andesitic lava blocks up to 50 cm in diameter are visible at the summit.
Further reading
Mazzoni, E. and Rabassa, J.O., 2007. Volcanic landscapes of Patagonia: a geomorphological map of the Piedra del Águila volcanic plateau, province of Neuquén, Argentina. Journal of Maps, 3(1), pp.311-322.
Escorial Volcano Eruptions
No recent eruptions.