Mark Stelten

Mark Stelten

Mark Stelten has conducted research on magmatic systems since 2008 with an emphasis on geochronology and geochemistry. He has worked on a variety of volcanic and plutonic systems over the course of his career. Prior to working with the U.S. Geological Survey, he conducted research on the Tuolumne Intrusive Suite in Yosemite National Park, the South Sister volcano in Oregon and the Yellowstone Plateau Volcanic Field in Wyoming.

Bison in Yellowstone National Park

What Yellowstone National Park’s changing magmatic system has taught us over the past 631,000 years

By: - October 24, 2022

Yellowstone National Park hosts a large magma reservoir that was the source of some of the largest volcanic eruptions in Earth’s recent past. The current magma reservoir is located beneath Yellowstone Caldera, which is a large basin-shaped depression in the Earth’s surface that formed during eruption of the Lava Creek Tuff about 631,000 years ago. […]