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Sample: 01KW-CP5-3-B

Sample ID: 01KW-CP5-3-B [1]
Station ID: 01KW-CP5
AT Num: AT-253-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 1, unit b. Interpreted deposit type: tephra fall, paleosol complex. Thickness: 12 cm (4 cm of which is poorly developed A-horizon of soil). Grain size: 1.3 cm (average 5 mm) lapilli to coarse sand size. Bedding: massive. Sorting: moderately sorted. Juvenile clast type: tan (pumice-like clasts, yet still poorly vesiculated) and black (dense, scoria-like clasts). Remarks: representative sample. Munsell color-wet: 5YR 3/2. Munsell color-dry: 5YR 4/2. Grain shape: angular. 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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.