Sample: AK-81-24
Sample ID: | AK-81-24 [1] |
Station ID: | AK-81-24 |
AT Num: | |
Volcano: | Akutan |
Possible source: | |
Eruption: | |
Collector: | Unknown, Unknown |
Date sampled: | 1981-01-01 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Porphyritic andesite lava flow containing phenocrysts of plagioclase, clinopyroxene, and olivine in a trachytic groundmass. The olivine is largely altered to serpentine minerals, while the clinopyroxene and groundmass are partially altered to carbonate and chlorite. |
Sample Location: |