Sample: 91CND35
Sample ID: | 91CND35 [1] |
Station ID: | 91CND35 |
AT Num: | |
Volcano: | Douglas |
Possible source: | |
Eruption: | |
Collector: | Nye, C. J. |
Date sampled: | 1991-01-01 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Another sample of host lava from the same flow as 91CND33. Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase (30%, up to 1.3 x 0.4 mm), pyroxene (10%, up to 1.0 x 0.2 mm), and opaque Fe-Ti oxides in a matrix of microphenocrysts and microlites and devitrified glass. |
Sample Location: |