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Sample: 85CNS07

Sample ID: 85CNS07 [1] [2]
Station ID: 85CNS07
AT Num:
Volcano: Spurr
Possible source:
Eruption:
Collector: Nye, C. J.
Date sampled: 1985-01-01
Sample type 1: Lava
Color:
Final unit:
Text Description: Sample of juvenile block from block-and-as flows deposited on the debris avalanche formed during flank collapse of ancestral Mt. Spurr (“pyroclastic fan”; sample PF-07 of Nye and Turner (1990). Very young columnar andesite at 1210' on stream E of camp. Large plag and smaller cpx phenocrysts. Plag lath-shaped 1-4 mm long. Texture unlike S1 and S3 b&a flows.
Sample Location:

References Cited

[1] Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc, 1990

Nye, C. J., and Turner, D. L., 1990, Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc: Bulletin of Volcanology, v. 52, n. 3, p. 205-226.

[2] Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell, 2018

Nye, C.J., Beget, J.E., Layer, P.W., Mangan, M.T., McConnell, V.S., McGimsey, R.G., Miller, T.P., Moore, R.B., and Stelling, P.L., 2018, Geochemistry of some quaternary lavas from the Aleutian Arc and Mt. Wrangell: Alaska Division of Geological & Geophysical Surveys Raw Data File 2018-1, 29 p. http://doi.org/10.14509/29843