Sample: 81AWs 266
Sample ID: | 81AWs 266 [1] |
Station ID: | 81AWs 266 |
AT Num: | |
Volcano: | Kejulik |
Possible source: | |
Eruption: | |
Collector: | Wilson, F. H. |
Date sampled: | 1981-01-01 |
Sample type 1: | Lava |
Color: | Light-bluish-gray |
Final unit: | |
Text Description: | Karluk D-6. Kejulik Mountains. Light-bluish-gray (5 B 7/1), vesicular, porphyritic basalt (S; basaltic andesite, G) dike. Intrudes young lahars and volcanic rubble. Major phases are plagioclase (An 75), sparse orthopyroxene (hypersthene), rare clinopyroxene, and glass. Plagioclase and pyroxene phenocrysts in a fine-grained to glassy groundmass. Possibly very fine-grained, green, non-pleochroic amphibole in groundmass. |
Sample Location: |