Sample: 93SJP52

Sample ID:	93SJP52 ^[1]
Station ID:	93SJP52
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:	Ten foot thick flow exposed along west side of Pass Creek. Fine grained, holocrystalline, pilotaxitic, intergranular, porphyritic with a matrix of plagioclase, opaque, clinopyroxene and alteration. Plagioclase phenocrysts (An45-An57) are up to 2.0 mm, both normal and oscillatory zoning is present. Olivine phenocrysts are up to 1.2 mm, some are totally altered. Clinopyroxene phenocrysts are up to 0.75 mm. Mode: 89.7% matrix, 2.2% plagioclase, 2.7% olivine, 0.1% opaque, 5.3% alteration.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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