Sample: K-2500N
Sample ID: | K-2500N [1] |
Station ID: | K-2500 |
AT Num: | |
Volcano: | |
Possible source: | Peulik |
Eruption: | Peulik Upper Grey Ash |
Collector: | Fierstein, J. E. |
Date sampled: | |
Sample type 1: | Tephra Fall |
Color: | |
Final unit: | |
Text Description: | Three-cm-thick tephra layer that is 19 cm from the base of the 1912 Novarupta fallout layer. Pl>opx>>cpx; opx:cpx = 6:1. Median diameter is 0.07 mm and maximum pumice length is 4 mm. Unit rests on a dark brown organic-rich fine soil. Sharply defined 3.5-cm-thick couplet of two sublayers, possibly reflecting two pulses of a single eruption. |
Sample Location: |