Sample: 93SJP16


Sample ID: 93SJP16 [1]
Station ID: 93SJP16
AT Num:
Volcano: Skookum Creek
Possible source:
Eruption:
Collector: Preece, S. J.
Date sampled: 1993-00-00
Sample type 1: Lava
Color:
Final unit:
Text Description: Weathered and fractured outcrop of Dome C at Finger Creek. Fine-grained, holocrystalline, pilotaxitic, seriate to porphyritic with a matrix of feldspar, opaque, alteration, and biotite? or amphibole?. Plagioclase phenocrysts (An52) are up to 2.5 mm and commonly zoned. Orthopyroxene phenocrysts up to 0.2 mm. Opaque phenocrysts up to 0.25 mm. Altered phase is present that consists of calcite, feldspar, and opaque.
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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.