Sample: 18CW100-15
Sample ID: | 18CW100-15 [1] |
Station ID: | 18CW100 |
AT Num: | |
Volcano: | Bogoslof |
Possible source: | |
Eruption: | Bogoslof 2016/12 |
Collector: | Waythomas, C. F. |
Date sampled: | 2018-08-15 |
Sample type 1: | Tephra Fall |
Color: | medium gray |
Final unit: | |
Text Description: | Medium gray scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (7% vesicularity) with medium gray mostly crystalline groundmass and 5% hornblende to 4 mm (one to 9 mm), 5% plagioclase to 1 mm, <1% pyroxene to 1 mm. Gabbroic hornblende/plagio |
Sample Location: |