Sample: 94SJP34

Sample ID:	94SJP34 ^[1]
Station ID:	94SJP34
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:	At least 20' thick unit, might be 2 flows, directly underneath 94SJP33 at Site 3. Fine-grained, vesicular, intergranular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque, feldspar, orthopyroxene, altered balls (pseudomorphs?) of calcite and serpentite/chlorite and calcite. Plagioclase phenocrysts (An29-An48) are up to 0.9 mm, and some display sieve textured zones, resorbed rims, and complex zoning. Orthopyroxene phenocrysts are up to 0.9 mm and have clinopyroxene rims, and rare feldspar inclusions. Clinopyroxene phenocrysts are up to 0.15 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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