Sample: 46
Sample ID: | 46 [1] |
Station ID: | 46 |
AT Num: | |
Volcano: | Yantarni |
Possible source: | |
Eruption: | |
Collector: | Unknown, Unknown |
Date sampled: | |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Sample of basal deposit on the east side of Yantarni cone that is an andesitic lava flow approximately 50 m thick which may belong to the unit of older lava flows. Texture: Porphyry; groundmass <0.1 mm, mottled appearance due to variation in proportion of light and dark minerals. Alteration: Sparse hematite |
Sample Location: |
References Cited
[1] Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, Alaska, 1987
Riehle, J. R., Yount, M. E., and Miller, T. P., 1987, Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, Alaska: U.S. Geological Survey Bulletin 1761, 27 p., 1 sheet, scale 1:63,360.
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