Lava from south flank of Crater Peak. Sample CP-12 of Nye and Turner (1990). Abundant inclusions of friable, sugar-like cooked intrusive? Analysis previously reported by Nye and others (1995, U.S. Geological Survey Bulletin 2139, p. 119-128.); data in this report has updated ICP/MS values.
Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc