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Sample: 94SJP112A

Sample ID: 94SJP112A [1]
Station ID: 94SJP112
AT Num:
Volcano: Tanada Peak
Possible source:
Eruption:
Collector: Preece, S. J.
Date sampled: 1994-00-00
Sample type 1: Lava
Color:
Final unit:
Text Description: Block from the Tanada Cinder Cone at Site 15. Fine grained, vesicular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque, plagioclase, olivine, and pyroxene?. Plagioclase phenocrysts (An55-An62) occasionally have skeletal habits. May be some orthopyroxene? present. Mode: 96.6% matrix, 0.9% plagioclase, 2.4% olivine, 0.1% vesicles.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.