Sample: 94SJP103

Sample ID:	94SJP103 ^[1]
Station ID:	94SJP103
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:	Approximately 15' thick flow on east side of Jaeger Mesa. Fine grained, vesicular, hypocrystalline, intergranular, seriate porphyritic with a matrix of brown glass, opaque, plagioclase, orthopyroxene, clinopyroxene and mesostasis. Plagioclase phenocrysts (An39-An59) are up to 1.0 mm laths and occasionally have oscillatory zoning. Olivine phenocrysts are up to 0.65 mm and occasionally have plagioclase inclusions. Clinopyroxene? phenocrysts are up to 0.4 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.

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.