Sample: 91CND38
| Sample ID: | 91CND38 [1] |
| Station ID: | 91CND38 |
| 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 1950 ft elevation from package of flows capping countryrock 7—12 km northwest of Douglas summit. Porphyritic andesite with about 35% phenocrysts of millimeter-sized plagioclase, sub-millimeter-sized ortho- and clinopyroxene, and opaque oxides in a groundmass of brown glass, microlites, and microphenocrysts. |
| Sample Location: |