Sample: 18CW100-19
| Sample ID: | 18CW100-19 [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-dark gray |
| Final unit: | |
| Text Description: | Dark gray scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (15% vesicularity) withdark gray mostly crystalline groundmass and 1% hornblende to 2 mm, 5% plagioclase to 1 mm, <1% pyroxene to 1 mm. Vesicles coated in secondary mineral. |
| Sample Location: |