Sample: K-2500-K
Sample ID: | K-2500-K [1] |
Station ID: | K-2500 |
AT Num: | |
Volcano: | |
Possible source: | Martin |
Eruption: | Martin Salt and Pepper Ash |
Collector: | Fierstein, J. E. |
Date sampled: | |
Sample type 1: | Tephra Fall |
Color: | |
Final unit: | |
Text Description: | 0.81 to 0.5-cm-thick tephra layer that is 47 cm from the base of the 1912 Novarupta fallout layer. Pl>mica>amph>>cpx>=opx; opx:cpx = 1:1. Median diameter is 0.10 mm and maximum pumice length is 3 mm. Occurs a few cm below the upper pale tan ash and is sharply defined and persistant. Crystal-rich with a mixture of white-to-clear glass and distinctive dark brown to black, granular and friable lithic clasts. |
Sample Location: |