Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Academic Affiliation Geosciences Advisor Taylor, Edward M. Committee Member Huddleston, Herbert Date issued sim 1991-10-17

Creator:: Hill, Brittain Eames
Abstract:: The Three Sisters region of the Oregon High Cascades has developed three compositionally and petrogenetically distinct silicic (i.e., SiO₂ ≥ 58%) magma systems within the last 600 k.y. These silicic systems evolved from the same High Cascade mafic magma system and developed in the same 20x30 km area of the...
Resource Type:: Dissertation

ScholarsArchive@OSU