Sample: AK-81-1
| Sample ID: | AK-81-1 [1] |
| Station ID: | AK-81-1 |
| AT Num: | |
| Volcano: | Akutan |
| Possible source: | |
| Eruption: | |
| Collector: | Unknown, Unknown |
| Date sampled: | 1981-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Large dike 10 to 15 meters wide east of Lava Peak. In hand specimen, it is coarsely porphyritic, containing large clinopyroxene and plagioclase phenocrysts in a fine-grained groundmass. In thin section, the dike contains the same mineral assemblage as the Lava Peak flows; randomly oriented phenocrysts of olivine, clinopyroxene, and plagioclase in a groundmass of opaque minerals, clinopyroxene, and plagioclase laths. |
| Sample Location: |