Sample: 91CND01
| Sample ID: | 91CND01 [1] |
| Station ID: | 91CND01 |
| 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: | Grab sample from summit helicopter landing zone. Porphyritic two-pyroxene andesite. ~35% phenocrysts of plagioclase (1 x 0.4 mm), pyroxene (0.5 x 0.3 mm), and opaque Fe-Ti oxides in a matrix of devitrified glass and subordinate microphenocrysts and microlites. Pl:px ~ 2:1 |
| Sample Location: |
