Station: 75A-21

Station ID:	75A-21 ^[1]
Volcano:
Collector:	Black, R. F.
Date visited:	1975-01-01
NAD83 latitude:	51.8
NAD83 longitude:	-176.7
Default location:	Yes
Location description:	Adak Island tephra, "Lower Gritty", possibly from Great Sitkin
Station Location:
Samples:	75A-21

References Cited

[1] The influence of amphibole fractionation on the evolution of calc-alkaline andesite and dacite tephra from the central Aleutians, Alaska, 1992

Romick, J. D., Kay, S. M., and Kay, R. W., 1992, The influence of amphibole fractionation on the evolution of calc-alkaline andesite and dacite tephra from the central Aleutians, Alaska: Contributions to Mineralogy and Petrology, v. 112, n. 1, p. 101-118.

Alaska Volcano Observatory

Station: 75A-21

References Cited

[1] The influence of amphibole fractionation on the evolution of calc-alkaline andesite and dacite tephra from the central Aleutians, Alaska, 1992