Sample: AK-81-61

Sample ID:	AK-81-61 ^[1]
Station ID:	AK-81-61
AT Num:
Volcano:	Akutan
Possible source:
Eruption:
Collector:	Unknown, Unknown
Date sampled:	1981-01-01
Sample type 1:	Lava
Color:
Final unit:
Text Description:	Coarsely porphyritic andesite dike. The dike contains large plagioclase, and minor olivine, phenocrysts in a holocrystalline groundmass. There is a great deal of brown alteration material present.
Sample Location:

References Cited

[1] The igneous petrology and geochemistry of northern Akutan Island, Alaska, 1982

Romick, J. D., 1982, The igneous petrology and geochemistry of northern Akutan Island, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, 151 p.

Alaska Volcano Observatory

Sample: AK-81-61

References Cited

[1] The igneous petrology and geochemistry of northern Akutan Island, Alaska, 1982