Sample: WR2-9

Sample ID:	WR2-9 ^[1]
Station ID:	WR2-9
AT Num:
Volcano:	Wrangell
Possible source:
Eruption:
Collector:	Unknown, Unknown
Date sampled:
Sample type 1:	Lava
Color:	Dark grey
Final unit:
Text Description:	Dark grey hypersthene andesite. Sample of andesite flow from the rim of the active crater located on the south margin of the caldera. The flow is composed of plagioclase phenocryst, microphenocrysts of plagioclase, augite and hypersthene, surrounded by a matrix of glass. The glassy mesostasis also includes disseminated magnetite grains and microlites of pyroxene.
Sample Location:

References Cited

[1] The reconnaissance petrology of andesites from the Mount Wrangell Caldera, Alaska, 1968

Furst, M. J., 1968, The reconnaissance petrology of andesites from the Mount Wrangell Caldera, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, 83 p.

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