Sample: 74AMm89
Sample ID: | 74AMm89 [1] |
Station ID: | 74AMm89 |
AT Num: | |
Volcano: | Drum |
Possible source: | |
Eruption: | |
Collector: | Miller, T. P. |
Date sampled: | 1974-00-00 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Thin to thick flows of dacite and andesite (?). Visited only massive two-pyroxene dacite flow of probable Mount Wrangell affinity, exposed in tributary of Dadina River (loc. 29, sec. 26, T. 3 N., R. 4 E.) Rock is medium gray and locally vesicular and contains phenocrysts (2-5 mm) of abundant plagioclase and hypersthene and rare to common augite and olivine in an intersertal to intergranular groundmass. |
Sample Location: |