Story thread · 2 reports / 2 sources

South American 'Pompeii': Volcanic eruption 22 million years ago preserved a snapshot of the Andes forming

livescience.com · 12hShare

An enormous volcanic eruption buried a snapshot of the baby Andes mountains, revealing a slow-and-steady growth rate.

First report: Devastating Volcanic Eruption Engulfed Part of Chile 21.9 Million Years Ago, Burying Evidence of Andes Uplift — discovermagazine.com, 3d