Sample: 01KW-CP1-G1-1
| Sample ID: | 01KW-CP1-G1-1 [1] |
| Station ID: | 01KW-CP1-G1 |
| AT Num: | AT-201 |
| Volcano: | Spurr |
| Possible source: | Crater Peak |
| Eruption: | |
| Collector: | Wallace, K. L. |
| Date sampled: | |
| Sample type 1: | Tephra Fall |
| Color: | |
| Final unit: | |
| Text Description: | Stratigraphic Unit No. 4. Interpreted deposit type: lahar or lahar complex. Thickness: >1 m, covered. Grain size: blocks to fine ash. Bedding: reverse graded beds. Sorting: poorly sorted. Juvenile clast type: tan (pumice-like clasts, yet still poorly vesiculated), brown (less dense, slightly more vesicular clasts), and black (dense, scoria-like clasts). Remarks: bulk matrix material. Munsell color-wet: not provided. Munsell color-dry: 5YR/Y4/1. Grain shape: all. Age: >840+/-60 yr. B.P. |
| Sample Location: |
References Cited
[1] Characterization and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska, 2003
Wallace, K. L., 2003, Characterization and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.
full-text pdf 256mb