Sample: 91CND26
| Sample ID: | 91CND26 [1] |
| Station ID: | 91CND26 |
| AT Num: | |
| Volcano: | Douglas |
| Possible source: | |
| Eruption: | |
| Collector: | Nye, C. J. |
| Date sampled: | 1991-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Sample from small outcrop at `1300 ft elevation at western striped glacier margin. Porphyritic dacite. Phenocrysts of plagioclase (35 %, up to 1.8 x 0.9 mm) and pyroxene (5%, typically stubby prisms 0.1 mm in diameter), glomerocrysts of plagioclase and pyroxene (10%, up to 1.5 mm in diameter) in a groundmass of devitrified glass. |
| Sample Location: |
