Sample: UA739
Sample ID: | UA739 [1] [2] [3] |
Station ID: | UA739 |
AT Num: | |
Volcano: | |
Possible source: | |
Eruption: | Old Crow Tephra |
Collector: | Westgate, J. A. |
Date sampled: | |
Sample type 1: | Tephra Fall |
Color: | |
Final unit: | |
Text Description: | The lower tephra bed at this station is the Old Crow tephra; it contains few detrital contaminants, is about 30 cm thick, and is continuous across the l00-m-long exposure. The paleosols are weakly developed and comprise mere horizons of dark gray to black silt, 1-2 cm thick. |
Sample Location: |