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Sample: 81-ASj-64

Sample ID: 81-ASj-64 [1]
Station ID: 81-ASj-64
AT Num:
Volcano: Tanada Peak
Possible source:
Eruption:
Collector: Unknown, Unknown
Date sampled: 1981-00-00
Sample type 1: Lava
Color:
Final unit:
Text Description: Wrangell Lava. Source and age mostly unknown. Plagioclase-olivine basaltic andesite. Medium-gray, medium to thick (3-10 m) flows containing phenocrysts of plagioclase (8-15%, 3-4 mm), olivine (1-2%, 0.5-1 mm), and traces of opaque minerals in an intergranular groundmass.
Sample Location:

References Cited

[1] Geologic map of the Nabesna B-6 Quadrangle, south-central Alaska, 1993

Richter, D. H., Smith, J. G., Schmoll, H. R., and Smith, R. L., 1993, Geologic map of the Nabesna B-6 Quadrangle, south-central Alaska: U.S. Geological Survey Geological Quadrangle Map GQ 1688, unpaged, 1 sheet, scale 1:63,360.