Sample: 85CNS46
| Sample ID: | 85CNS46 [1] [2] |
| Station ID: | 85CNS46 |
| AT Num: | |
| Volcano: | Spurr |
| Possible source: | |
| Eruption: | |
| Collector: | Nye, C. J. |
| Date sampled: | 1985-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Sample of juvenile block from block-and-as flows deposited on the debris avalanche formed during flank collapse of ancestral Mt. Spurr (“pyroclastic fan”; sample PF-46 of Nye and Turner (1990)). Ash flow in Chakachatna canyon just west of camp. Tuff has gray lower part, with pink, then white, upper part. Inequigranular plag and small px. Tuff is surrounded by blocky fresh-looking andesite flow. Tuff is plastered against andesite flow. Both are overlain by fragmental, probably glacial, unconsolidated unit. |
| Sample Location: |
