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Sample: 85CNS38

Sample ID: 85CNS38 [1] [2]
Station ID: 85CNS38
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-38 of Nye and Turner (1990)). From exposure in upper W wall of canyon just west of camp. Small (~1mm) equant plag + larger cpx. Abundant small irregular pore space. Abundant "well cooked" inclusions, some with lots of biotite (mafic schist inclusions?).
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