Sample: 54
Sample ID: | 54 [1] |
Station ID: | 54 |
AT Num: | |
Volcano: | Yantarni |
Possible source: | |
Eruption: | |
Collector: | Unknown, Unknown |
Date sampled: | |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Texture: Porphyry; groundmass <0.1 mm, massive, plagioclase >> hornblende > opaque = apatite; quartz as anhedral mosaics (xenolithics); plagioclase fractured and recrystallized? Alteration: Rare calcite and chlorite as replacement of mafics in lithics |
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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