Sample: GS-720-C
Sample ID: | GS-720-C [1] |
Station ID: | GS-720-C |
AT Num: | |
Volcano: | Great Sitkin |
Possible source: | |
Eruption: | |
Collector: | Neuweld, M. A. |
Date sampled: | 1984-07-01 |
Sample type 1: | Lava |
Color: | dark gray to black |
Final unit: | |
Text Description: | dark gray to black porphyritic andesite with phenocrysts of pl, lesser cpx, minor opx, mt, and rare, euhedral, coarse-grained (up to 2 cm) amph (from 1987 thesis) |
Sample Location: |