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Sample: 01KW-CP4-11

Sample ID: 01KW-CP4-11 [1]
Station ID: 01KW-CP4
AT Num: AT-250
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. 9. Interpreted deposit type: tephra fall paleosol complex. Thickness: 7 cm. Grain size: fine lapilli to coarse ash. Bedding: massive. Sorting: well sorted. Juvenile clast type: black (dense, scoria-like clasts) and tan (pumice-like clasts, yet still poorly vesiculated). Remarks: representative sample. Munsell color-wet: 5YR 2/2. Munsell color-dry: 10YR 5/4. Grain shape: angular-subangular. Age: >3650+/-150 yr. B.P.
Sample Location:
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Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

20 km
10 mi
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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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.