Sample: 94SJP121A


Sample ID: 94SJP121A [1]
Station ID: 94SJP121
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: Flow cascading over 94SJP121B from the Tanada Cinder Cone at Site 15. Fine grained, vesicular, dikytaxitic, holocrystalline, trachytic, porphyritic with a matrix of mesostasis, opaque, plagioclase, olivine, and pyroxene?. Plagioclase phenocrysts (An47-An59) are up to 0.3 mm, and most are small laths, the largest grain is sieve textured. Olivine phenocrysts are up to 0.75 mm and occasionally have skeletal habits. May be orthopyroxene? present.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.