Nevados Casiri volcano

Nevados Casiri (also known as Paugarani) volcano in southern Peru near the Chilean border in a sparsely populated and remote part of the cordillera, about 25 km north of Tacora volcano.
The youngest crater has been active during the past 10,000 years and is well preserved.
Sulphur is being extracted from 2 mines on the NW and SE flanks of the volcano.

Background:

Nevados Casiri consists of 4 cones forming a E-W aligned ridge with the youngest cone on the SE side. 2 post-glacial lava flows are present south of the youngest cone, and an older lava dome to the west.