Sample: 91CND23
| Sample ID: | 91CND23 [1] |
| Station ID: | 91CND23 |
| 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 isolated outcrop just below striped glacier. Porphyritic olivine-bearing two-pyroxene andesite. Phenocrysts of plagioclase (20%, up to 1.3 x 0.5 mm), both clino- and orthopyroxene (10%, typically 0.6 x 0.2 mm), and euhedral, chromite-bearing olivine (5%, up to 1.4 x 0.4 mm) in a matrix of devitrified glass and subordinate microphenocrysts and microlites. |
| Sample Location: |
