1 rich Libsyn https://www.libsyn.com 90 600 &amp;nbsp; &amp;nbsp; Aurélie Germa, an Assistant Professor in the USF School of Geosciences, discusses her research into&amp;nbsp;the long-term eruptive history of volcanoes and their evolution via potassium-argon (K-Ar) geochronology techniques and the geochemistry of erupted products.&amp;nbsp; &amp;nbsp; More about Aurélie can be found here: Selected Works&amp;nbsp; USF SGS Faculty Webpage &amp;nbsp; Calling: Earth is a production of the USF Libraries&amp;nbsp;in cooperation with the USF School of Geosciences. Questions, comments, and any other feedback can be directed to callingearth@usf.edu. Calling: Earth. https://callingearth.libsyn.com/website <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/11739791/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/55615157