Sample: 01KW-CP1-G3-11
| Sample ID: | 01KW-CP1-G3-11 [1] |
| Station ID: | 01KW-CP1-G3 |
| AT Num: | AT-231 |
| Volcano: | Spurr |
| Possible source: | Hayes |
| Eruption: | Hayes Tephra Set H |
| Collector: | Wallace, K. L. |
| Date sampled: | |
| Sample type 1: | Tephra Fall |
| Color: | |
| Final unit: | |
| Text Description: | Stratigraphic Unit No. 10. Interpreted deposit type: tephra fall-reworked. Thickness: 108 cm. Grain size: coarse lapilli to fine ash. Bedding: cross-beds, dippling bed, fine-ash lenses. Sorting: poorly sorted. Juvenile clast type: white pumice. Sample AT-230 to AT-232, light tan colored pumice clasts suggest a non-Crater Peak or Mount Spurr source. Remarks: coarsest juvenile clasts in cross-beds. Munsell color-wet: 5Y 5/2. Munsell color-dry: 5Y 8/1 and 5Y 6/1. Grain shape: angular. Age: 3650-3970 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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.
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