Lava from ancestral Crater Peak (proto-Crater Peak of Nye and Turner (1990)) from fin of lavas in the center of Kidazgeni Glacier. Sample PCP-A03 of Nye and Turner (1990). 4200'. Sparsely phyric. Not cpx-rich. From package of 4-5 thin, parallel flows, probably all part of same flow unit.
General Mineralogy Description:
Sparsely phyric. Not cpx-rich.
Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc