Sample: 85ARa-48A


Sample ID: 85ARa-48A [1]
Station ID: 85ARa-48A
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Ratte, J. C.
Date sampled: 1985-00-00
Sample type 1: Lava
Color:
Final unit:
Text Description: Wrangell Lava. Rhyolite domes (Tertiary) - Light-colored, fine-grained rhyolite (75.3-75.8% SiO2; map nos. 29-31) containing sparse microphenocrysts of plagioclase, hornblende, biotite, and, locally, rosettes of black tourmaline.
Sample Location:

References Cited

[1] Geologic map of the McCarthy D-1 Quadrangle, Alaska, 2000

Richter, D. H., Ratte, J. C., Leeman, W. P., and Menzies, Martin, 2000, Geologic map of the McCarthy D-1 Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 2695, unpaged, 1 sheet, scale 1:63,360.