Sample: 01KW-CP2-1


Sample ID: 01KW-CP2-1 [1]
Station ID: 01KW-CP5
AT Num: AT-210
Volcano: Spurr
Possible source: Crater Peak
Eruption: Crater Peak 1992/6
Collector: Wallace, K. L.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Stratigraphic Unit No. Pit 2, unit a. Interpreted deposit type: tephra fall. Thickness: 5 cm. Grain size: coarse lapilli. Bedding: massive. Sorting: well-sorted. Juvenile clast type: brown (dominant-less dense, slightly more vesicular clasts), black (dense, scoria-like clasts), tan (pumice-like clasts, yet still poorly vesiculated). Remarks: 1992 Crater Peak tephra. Munsell color-wet: 5YR 2/2. Munsell color-dry: 10YR 4/2. Grain shape: angular. Age: 1992.
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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.