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SAMPLE INFO : 79AM52
Sample ID:79AM52
Station ID:79AM52
Latitude:57.772
Longitude:-156.381
Datum:NAD83
Date Sampled:1979-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Text Description:
Porphyritic orthopyroxene andesite. Phenocrysts of plagioclase (36%) and orthopyroxene (9%) with trace clinopyroxene and olivine in a groundmass of pale-brown glass.

References:
Geology of the Ugashik-Mount Peulik volcanic center, Alaska

GEOCHEM DATA