Professor Roberta Rudnick on Geology Bites Podcast

Professor Roberta Rudnick is featured on the Geology Bites podcase discussing the Continental Crustal Composition Paradox. You can listen to the podcast and find additional information using the link. 

*The picure is one taken by Professor Rudnick of Mt. St. Helens in April of 1980 (after it started erupting, but before it blew it's top). Mt. St. Helens is formed within the Cascade subduction zone, and subduction zones are implicated in making continents.