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.

Alaska Volcano Observatory

Sample: 81-ASj-64

References Cited

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