Sample: 84Au-7

Sample ID:	84Au-7 ^[1]
Station ID:	84Au-7
AT Num:
Volcano:	Augustine
Possible source:
Eruption:
Collector:	Daley, E. E.
Date sampled:	1984-01-01
Sample type 1:	Lava
Color:
Final unit:
Text Description:	Slightly vesicular sample of prehistoric spines. Phenocrysts of plagioclase, hypersthene, augite, minor skeletal olivine, and a trace of opacite-rimmed hornblende in a microcrystalline groundmass of plagioclase microlites, Fe-Ti oxides, and pyroxenes. Plagioclase glomerocrysts are common and plagioclase often has inclusions of brown partially devitrified glass
Sample Location:

References Cited

[1] Petrology, geochemistry, and the evolution of magmas from Augustine Volcano, Alaska, 1986

Daley, E. E., 1986, Petrology, geochemistry, and the evolution of magmas from Augustine Volcano, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, Fairbanks, AK, 103 p.

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