B. Janssen

What's under the hood : petrologic mapping of the magmatic plumbing system prior to the most recent mount hood eruptions

This study examines pre-eruptive magmatic processes and timescales for the Timberline and Old Maid eruptive periods at Mount Hood, OR, using plagioclase compositions, petrologic mapping, and Mg diffusion modeling. Mount Hood is an active Cascade volcano where eruptions are linked to mafic recharge into a long-lived, cr...