Sample: 94SJP119

Sample ID:	94SJP119 ^[1]
Station ID:	94SJP119
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:	Platy flow on Tanada Cinder Cone at Site 15. Fine grained, vesicular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque, plagioclase, pyroxene? and olivine. Plagioclase phenocrysts (An57-An62) are up to 0.5 mm, and most are small laths. Olivine phenocrysts are up to 0.8 mm, and occasionally have skeletal habits or have resorption embayments. May be some 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137 and G23AC00070.

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.