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Sample: 75A-21

Sample ID: 75A-21 [1]
Station ID: 75A-21
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Black, R. F.
Date sampled: 1975-01-01
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Adak Island tephra, "Lower Gritty", possibly from Great Sitkin
Sample Location:

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.