Sample: 81AWs 276


Sample ID: 81AWs 276 [1]
Station ID: 81AWs 276
AT Num:
Volcano: Kialagvik
Possible source:
Eruption:
Collector: Wilson, F. H.
Date sampled: 1981-01-01
Sample type 1: Lava
Color: gray
Final unit:
Text Description: Medium-gray (N 5) plagioclase dacite (S; andesite G) porphyry flow. Major phases are clinopyroxene, plagioclase (An 67), orthopyroxene (?), and glass. Very fine grained to aphanitic glassy groundmass and weakly aligned phenocrysts
Sample Location:

References Cited

[1] Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, Alaska, 1992

Wilson, F.H., and Shew, Nora, 1992, Map and tables showing geochronology and whole-rock geochemistry of selected samples, Ugashik and part of Karluk quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1539-E, 34 p., 2 sheets, scale 1:250,000.