Sample: 94SJP64


Sample ID: 94SJP64 [1]
Station ID: 94SJP64
AT Num:
Volcano: Skookum Creek
Possible source:
Eruption:
Collector: Preece, S. J.
Date sampled: 1994-00-00
Sample type 1: Tuff
Color:
Final unit:
Text Description: Rounded block from a palagonitized tuff at Gutbuster. Fine grained, vesicular, holocrystalline, porphyritic with a matrix of devitrified brown glass and plagioclase. Plagioclase phenocrysts (An38, An55 - An61) are up to 4.37 mm; both normal and oscillatory zoning are present; grains are occasionally sieve textured with brown melt inclusions. Orthopyroxene phenocrysts are up to 2.87 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5 Ma Wrangell Volcanic Field, Alaska, with an emphasis on the Skookum Creek volcanic complex: Miami University (Ohio) unpublished Ph.D. dissertation, 547 p.