Quaternary Vents and Plutonic Systems in the South Cascades of Washington

Explore a geological lecture where US Geological Survey scientist Don Swanson delves into the fascinating world of Quaternary vents and 12 million-year-old plutons, dikes, and sills mapped in Washington's South Cascades, specifically focusing on the region between Goat Rocks and Mount St. Helens. Learn about the complex volcanic and geological formations that have shaped this dramatic landscape through detailed mapping and scientific analysis.