Sample: 01KW-CP1-G3-17


Sample ID: 01KW-CP1-G3-17 [1]
Station ID: 01KW-CP1-G3
AT Num: AT-236
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. 11e. Interpreted deposit type: tephra fall-primary. Thickness: 7 cm. Grain size: coarse lapilli. Bedding: normally graded. Sorting: poorly sorted. Juvenile clast type: black (dense, scoria-like clasts) and brown (less dense, slightly more vesicular clasts). Remarks: representative sample random juvenile. Munsell color-wet: 5YR 2/1. Munsell color-dry: N 5.5. Grain shape: angular. Age: >3930+/-40 yr. B.P.
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and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska: Northern Arizona University unpublished M.S. thesis, 169 p.