Sample: 94SJP113A

Sample ID:	94SJP113A ^[1]
Station ID:	94SJP113A
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:	Blocky outcrop that may be a remnant of a blocky flow. Overlies bomb lahar unit 94SJP113C. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of mesostasis, plagioclase, and opaque. Plagioclase phenocrysts (An36-AN59) are up to 1.0 mm. Olivine phenocrysts are up to 0.75 mm and the grains are altered and have black coronas. Clinopyroxene phenocrysts are up to 0.5 mm and are often rounded. One orthopyroxene phenocryst, 0.1 mm, was observed.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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