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Tilocalar

Cono di lava · Chile · 3109 m

The Tilocalar volcanic center is shown here in this 25 November 2019 Sentinel-2 satellite image (N is at the top), with Tilocalar Norte near the center of the image and Tilocalar Sur to the SW. Tilocalar Norte erupted a single 4.3-km-long lava flow while Tilocalar Sur produced four lava flows. They overlie the Talabre ignimbrite.
The Tilocalar volcanic center is shown here in this 25 November 2019 Sentinel-2 satellite image (N is at the top), with Tilocalar Norte near the center of the image and Tilocalar Sur to the SW. Tilocalar Norte erupted a single 4.3-km-long lava flow while Tilocalar Sur produced four lava flows. They overlie the Talabre ignimbrite. · Foto: Satellite image courtesy of Copernicus Sentinel Data, 2019.
Tipo
Cono di lava
Paese
Chile
Regione
South America Volcanic Regions / Central Andean Volcanic Arc
Altitudine
3109 m
Coordinate
-23.970, -68.130
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Minor
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Two small eruptive vents that produced lava flows lie about 3 km apart in the Callejón de Tilocálar area. Lava flows overlie Pliocene ignimbrites and were considered to be of Pleistocene-Holocene age by González-Ferrán (1995). The larger feature, Tilocálar Sur, lies about 3.5 km SW of Tilocálar Norte. Four basaltic andesite to andesitic lava flows originated from Tilocálar Sur, and an explosion crater lies a kilometer to the south. The Tilocálar Norte lies near the eastern wall of the Callejón de Tilocálar and produced lava flows that traveled primarily to the north.

Sintesi da Wikipedia

Riassunto in inglese

Tilocálar is a group of volcanoes south of the Salar de Atacama, in Chile. It developed during the Pleistocene and consists of a small lava dome, two vents with numerous thick lava flows that reach lengths of several kilometres, and an explosion crater that was mistaken for an impact crater in the past. There are similar volcanoes nearby.

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