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Sample: 85CNS05

Sample ID: 85CNS05 [1] [2]
Station ID: 85CNS05
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” of Nye and Turner (1990)). Sample PF-05 of Nye and Turner (19 90). 1200' level same canyon as S3 and S4. Large brecciated aa flow. Abundant. 5 mm cpx. Probable source of cpx-rich float. Mineralogy ~same as b&a flows S1 and S3 but lacks bright hematitic alteration.
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