Sample: 93SJP60

Sample ID:	93SJP60 ^[1]
Station ID:	93SJP60
AT Num:
Volcano:	Skookum Creek
Possible source:
Eruption:
Collector:	Preece, S. J.
Date sampled:	1993-00-00
Sample type 1:	Lava
Color:
Final unit:
Text Description:	A 40-50’ thick flow at the edge of the rock glacier at Site 4. Fine-grained, holocrystalline, intergranular, seriate porphyritic with a matrix of mesostasis, opaque, orthopyroxene, clinopyroxene and alteration. Plagioclase phenocrysts (An36 - An54) are up to 1.35 mm and some have sieve textured intermediate zones and/or complex zoning. Orthopyroxene phenocrysts are up to 0.95 mm and some have clinopyroxene rims. Clinopyroxene phenocrysts are up to 0.5 mm. Opaque phenocrysts are up to 0.08 mm.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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