Sample: 84Au-9
| Sample ID: | 84Au-9 [1] |
| Station ID: | 84Au-9 |
| AT Num: | |
| Volcano: | Augustine |
| Possible source: | |
| Eruption: | |
| Collector: | Daley, E. E. |
| Date sampled: | 1984-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Massive, porphyritic sample of prehistoric Dome H. Phenocrysts of plagioclase, hypersthene, augite, and minor olivine and hornblende. Hornblende is opacite-rimmed and also may be rimmed by a fine-grained intergrowth of plagioclase+Fe-Ti oxide + orthopyroxene. Groundmass is holocrystalline and composed of plagioclase microlites, Fe-Ti oxides, and pyroxenes. |
| Sample Location: |