Sample: 01KW-CP1-G3-16
| Sample ID: | 01KW-CP1-G3-16 [1] |
| Station ID: | 01KW-CP1-G3 |
| AT Num: | AT-235 |
| 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. 11d. Interpreted deposit type: tephra fall. Thickness: 8.5 cm (132 cm cumulative; unit broken into 7 subunits based on bedding characteristics). Grain size: fine lapilli to coarse ash. Bedding: normally graded. Sorting: poorly sorted. Juvenile clast type: tan (pumice-like clasts, yet still poorly vesiculated), and black-glossy (dense, scoria-like clasts). Remarks: representative sample. Munsell color-wet: 10YR 2/2. Munsell color-dry: N 6.5. Grain shape: angular. Age: >3930+/-40 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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.
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