Sample: 94SJP61

Sample ID:	94SJP61 ^[1]
Station ID:	94SJP61
AT Num:
Volcano:	Skookum Creek
Possible source:
Eruption:
Collector:	Preece, S. J.
Date sampled:	1994-00-00
Sample type 1:	Tephra Fall
Color:
Final unit:
Text Description:	Bomb from the remnants of a cinder cone at Gutbuster. Overlies 94SJP62.Fine grained, vesicular, holocrystalline, trachytic, porphyritic with a matrix of mesostasis, opaque, and plagioclase. Plagioclase phenocrysts (An43-An55) are up to 1.0 mm and occasionally have oscillatory zoning. Olivine phenocrysts are up to 2.12 mm and occasionally have skeletal habit. Clinopyroxene phenocrysts are up to 0.35 mm and are strained with undulatory extinction and bent cleavage planes.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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