Sample: 48


Sample ID: 48 [1]
Station ID: 48
AT Num:
Volcano: Yantarni
Possible source:
Eruption:
Collector: Unknown, Unknown
Date sampled:
Sample type 1:
Color:
Final unit:
Text Description: Sample of cone-building deposit. Texture: Porphyry; groundmass microcrystalline, locally foliated; phenocrysts >0.2 mm; rare, heavily oxidized hornblende; diabasic lithics. Alteration: Oxidized rims of orthopyroxene, hornblende nearly totally oxidized; groundmass recrystallized opaques
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.
full-text PDF 2.2 MB
plate 1 PDF 429 KB