February 2021

A cluster of more than 20 Miocene to Recent volcanoes in the Andes of northern Chile record systematic changes in magmatism that have parallels in batholith assembly, such as recorded in the Tuolumne Intrusive Complex of the Sierra Nevada, California.

Dr. Anita Grunder, Oregon State University, Volcanic View of Plutonic Rocks: 11 MY of Magmatism at Aucanquilcha Volcanic Cluster on the Chilean Altiplano