Sample: 81AYb 168
| Sample ID: | 81AYb 168 [1] |
| Station ID: | 81AYb 168 |
| AT Num: | |
| Volcano: | Kialagvik |
| Possible source: | |
| Eruption: | |
| Collector: | Yount, M. E. |
| Date sampled: | 1981-01-01 |
| Sample type 1: | Lava |
| Color: | gray |
| Final unit: | |
| Text Description: | Ugashik A-3. southeast side of Mount Kialagvik. Medium- to fine-grained, medium-gray (N5), hyalopilitic andesite (S; high-silica andesite G) porphyry containing very light gray (N 8) plagioclase phenocrysts and sparse dark-greenish-gray (5 G/Y 4/1) pyroxene phenocrysts. Major minerals are plagioclase (An 64), clinopyroxene, and lesser opaque oxides. Abundant phenocrysts in groundmass of glass and very fine grained plagioclase. Most phenocrysts and crystals have resorbed edges. |
| Sample Location: |