Sample: 01KW-CP5-6-B
Sample ID: | 01KW-CP5-6-B [1] | ||||||||||
Station ID: | 01KW-CP5 | ||||||||||
AT Num: | AT-256-B | ||||||||||
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. PIT 3, unit d. Interpreted deposit type: multiple tephra fall, paleosol complex. Thickness: 39 cm (multiple 0.5 to 2 cm tephra lenses). Grain size: coarse to medium ash lenses, and fine lapilli lenses. Bedding: lenses both continuous and discontinuous. Sorting: well sorted. Juvenile clast type: black (dense, scoria-like clasts) and tan (pumice-like clasts, yet still poorly vesiculated). Remarks: discontinuous lens. Munsell color-wet: 5YR 3/2. Munsell color-dry: 5YR 6/2. Grain shape: angular-subround. Age: >3650+/-150 yr. B.P. | ||||||||||
Sample Location: |
![]() ![]() Great Sitkin Spurr Legend ✕
100 km 50 mi |
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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.