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SAMPLE INFO : 84Au-22
Sample ID:84Au-22
Station ID:84Au-22
Latitude:59.411294
Longitude:-153.4146
Datum:NAD83
Date Sampled:1984-01-01
Sample Type 1:Debris Flow
Text Description:
Random boulder in historic debris flow (possibly 1812). Phenocrysts of plagioclase, hypersthene, augite, olivine, and Fe-Ti oxide in a massive, holocrystalline groundmass of plagioclase microlites, Fe-Ti oxides, and pyroxenes. Olivine shows faint reaction rims of fine-grained Fe-Ti oxides+pyroxenes+plagioclase

References:
Petrology, geochemistry, and the evolution of magmas from Augustine Volcano, Alaska

GEOCHEM DATA