Sample: 01KW-CP1-G3-4
| Sample ID: | 01KW-CP1-G3-4 [1] |
| Station ID: | 01KW-CP1-G3 |
| AT Num: | AT-225 |
| 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. 8. Interpreted deposit type: tephra fall - possibly reworked. Thickness: 70 cm. Grain size: coarse ash base grading up to medium to fine ash with a horizon of 2-4 mm rounded ash pods. Bedding: normally graded. Sorting: poorly sorted. Juvenile clast type: black (dense, scoria-like clasts). Remarks: coarse ash base round pods near top of unit 8. Munsell color-wet: 10YR 2/2. Munsell color-dry: N 4.5. Grain shape: subangular-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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.
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