Sample: UT1520
Sample ID: | UT1520 [1] |
Station ID: | UT1520 |
AT Num: | |
Volcano: | |
Possible source: | |
Eruption: | Old Crow Tephra |
Collector: | Preece, S. J. |
Date sampled: | |
Sample type 1: | Tephra Fall |
Color: | |
Final unit: | |
Text Description: | 3.5 cm thick; bubble-wall shards and lesser amounts of pumice; in massive brown silt ?3.2 m above gravel sitting on bedrock bench; on low terrace of Sixtymile River; ~90 cm above MF tephra (UT1521) and ~175 cm above Coal Creek tephra (UT1522); field name 98SJP28a |
Sample Location: |