Activity

2025

• Deep marine andesitic/felsic partly intrusive hyaloclastite complex in a Devonian submarine island-arc sequence in the northern Sierra Nevada, California
  11 Using Volcanic Deposits to Help Us Understand Volcanic and Magmatic Processes
  Sunday, 19 October 2025

  8:00 AM - 12:00 PM

  HBGCC, 217A