Sample: 94SJP102A

Sample ID:	94SJP102A ^[1]
Station ID:	94SJP102
AT Num:
Volcano:	Skookum Creek
Possible source:
Eruption:
Collector:	Preece, S. J.
Date sampled:	1994-00-00
Sample type 1:	Lava
Color:
Final unit:
Text Description:	Remnant of a spatter cone on the east side of Jaeger Mesa. 94SJP102A is a 5' thick flow underlying loose scoria. Fine grained, vesicular, diktytaxitic, holocrystalline, subophitic with a matrix of opaque, mesostasis and alteration. Plagioclase phenocrysts (An43-An50) are up to 0.5 mm laths. Clinopyroxene phenocrysts are up to 1.55 and subophitic. Olivine phenocrysts are up to 1.1 mm with minor iddingsite alteration. Opaque phenocrysts are up to 0.1 mm. Mode: 61.4% matrix, 23.9% plagioclase, 3.3% olivine, 8.8% clinopyroxene, 2.6% vesicles.
Sample Location:

References Cited

[1] Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex, 1997

Preece, S. J., 1997, Geochemical variation in the less than 5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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