Sample: 94SJP105B


Sample ID: 94SJP105B [1]
Station ID: 94SJP105B
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: Dike-scoria contact where feeder dike (94SJP105A) cuts through vent scoria of a small cinder cone. Fine grained, vesicular, holocrystalline, porphyritic, oxidized with a matrix of mesostasis, plagioclase, and opaque. Plagioclase phenocrysts (An55) are up to 0.25 mm, mostly as small laths; occasional larger grains have sieve textured zones. An altered phase in up to 0.38 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.