Sample: 39
| Sample ID: | 39 [1] |
| Station ID: | 39 |
| AT Num: | |
| Volcano: | Yantarni |
| Possible source: | |
| Eruption: | |
| Collector: | Unknown, Unknown |
| Date sampled: | |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Sample of dome consisting of pilotaxitic, hornblende-bearing andesite containing rare quartz phenocrysts(?). (Texture: Porphyry; groundmass <0.2 mm, vague foliation, plagioclase>clinopyroxene>hornblende=orthopyroxene=opaque; thin oxide rims on hornblende, clinopyroxene rims on quartz. Alteration: None) |
| 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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