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Sample: UT114

Sample ID: UT114 [1] [2] [3]
Station ID: UT114
AT Num:
Volcano:
Possible source:
Eruption: Old Crow Tephra
Collector: Westgate, J. A.
Date sampled:
Sample type 1: Tephra Fall
Color:
Final unit:
Text Description: Old Crow tephra is preserved near the base of bedded silt that probably originated as loess but was deposited or redeposited in standing water. Laminations indicate that the tephra has been reworked; a single 5-cm-thick bed is covered by thin couplets of nearly pure tephra and gray silt, the combined thickness of the tephra-rich zone being 30 cm. A peaty bed with spruce fragments and a loess bed overlie the tephra-bearing silt, beneath which glacial drift of Kobuk and earlier glaciations is exposed (See Fig. 7 in Westgate et al. 1983).
Sample Location:

References Cited

[1] Old Crow tephra: a new late Pleistocene stratigraphic marker across North-central Alaska and western Yukon Territory, 1983

Westgate, J. A., Hamilton, T. D., and Gorton, M. P., 1983, Old Crow tephra: a new late Pleistocene stratigraphic marker across North-central Alaska and western Yukon Territory: Quaternary Research, v. 19, n. 1, p. 38-54.

[2] Discovery of a large-magnitude, late Pleistocene volcanic eruption in Alaska, 1982

Westgate, J. A., 1982, Discovery of a large-magnitude, late Pleistocene volcanic eruption in Alaska: Science, v. 218, n. 4574, p. 789-790.

[3] Correlation techniques in tephra studies, 1981

Westgate, J. A., and Gorton, M. P., 1981, Correlation techniques in tephra studies: in Self, S. and Sparks, R. S. J., Tephra studies: proceedings of the NATO Advanced Study Institute "Tephra studies as a tool in Quaternary research", NATO Advanced Study Institutes Series C 0075, p. 73-94.