Sample: 94SJP47


Sample ID: 94SJP47 [1]
Station ID: 94SJP47
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: Feeder dike for Dome C cutting up through silicic material from Dome A at Site 3. Fine grained, holocrystalline, trachytic, porphyritic to seriate porphyritic with a matrix of cryptocrystalline material, opaque, feldspar and biotite?. Plagioclase phenocrysts (An32 - An61) are up to 2.4 mm; the larger grains may have oscillatory zoning. Opaque phenocrysts are up to 0.25 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.