Sample: 81AWs 275


Sample ID: 81AWs 275 [1]
Station ID: 81AWs 275
AT Num:
Volcano: Lone basalt
Possible source:
Eruption:
Collector: Wilson, F. H.
Date sampled: 1981-01-01
Sample type 1: Lava
Color: Pale red
Final unit:
Text Description: Pale-red (5R 6/2), vesicular, porphyritic leuco-basalt (S; basalt G) flow. Major minerals are olivine and plagioclase (An 50*). Large olivine phenocrysts in strongly flow-foliated groundmass of plagioclase and olivine.
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.