Sample: 01KW-CP5-2


Sample ID: 01KW-CP5-2 [1]
Station ID: 01KW-CP5
AT Num: AT-252
Volcano: Spurr
Possible source: Crater Peak
Eruption: Crater Peak 1953/7
Collector: Wallace, K. L.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Stratigraphic Unit No. PIT 2, unit b. Interpreted deposit type: tephra fall. Thickness: 5 cm. Grain size: coarse to medium lapilli. Bedding: massive. Sorting: well-sorted. Juvenile clast type: brown (less dense, slightly more vesicular clasts) and tan (pumice-like clasts, yet still poorly vesiculated). Remarks: 1953 Crater Peak tephra. Munsell color-wet: 5YR 2/2. Munsell color-dry: 5Y 6/1. Grain shape: angular. Age: 1953.
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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.