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SAMPLE INFO : 85CNS30
Sample ID:85CNS30
Station ID:85CNS30
Latitude:61.256987848572
Longitude:-152.27060150662
Datum:NAD83
Date Sampled:1985-01-01
Sample Type 1:Pyroclastic Flow
Sample Type 2:Pyroclast
Field Lithology:Andesite
Text Description:
Sample from boulder of ashflow tuff in talus pile. Similar to Straight Creek ashflow but w/out obvious hornblende.

General Mineralogy Description:
Lava w/ large (to 5mm) cpx megacrysts and smaller (~1mm) equant equigranular plagioclase.

References:
Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc

GEOCHEM DATA