Sample: 05JRSCH015
Sample ID: | 05JRSCH015 [1] |
Station ID: | 05JRSCH015 |
AT Num: | |
Volcano: | Chiginagak |
Possible source: | |
Eruption: | Chiginagak 2005/5 |
Collector: | Schaefer, J. R. G. |
Date sampled: | 2005-08-23 |
Sample type 1: | Lahar |
Color: | |
Final unit: | 2005 lahar |
Text Description: | 2005 lahar; gray, friable clast rocks and bulk lahar matrix, above 2-3 cm clay base. Lahar deposit is reversely graded with 2-3 cm of clay at bottom and 10-12 cm coarser clay to pebble-sized material on top. Melt water pooling on surface that drains from the deposit has a pH of 3 using both low range pH paper and pH 3-6 range paper. |
Sample Location: |