Sample: 18CW100-17
Sample ID: | 18CW100-17 [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 scoria ; Volcanic bomb on surface of 2017-2018 tuff ring; Scoria (1-10% vesicularity) with dark gray crystalline groundmass and 2% hornblende to 2 mm (one to 1 cm), 7% plagioclase to 1 mm. Gabbroic hornblende/plagioclase/pyroxene inclusion to 1 cm. V |
Sample Location: |