Ugashik-Peulik 171000 yBP
Start: 171000 yBP ± 22000 Years [1]
Event Type: Effusive
- Lava flow [1]
Description: From Miller (2004): "The only isotopically-dated volcanic rocks are dacite from the south rim of the caldera which yielded a single whole-rock K-Ar age determination of 171,000+/-22,000 yrs (table 2 on plate 2 [in original text])."
Images
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References Cited
[1] Geology of the Ugashik-Mount Peulik volcanic center, Alaska, 2004
Miller, T. P., 2004, Geology of the Ugashik-Mount Peulik volcanic center, Alaska: U.S. Geological Survey Open-File Report 2004-1009, 19 p., 2 sheets, scale 1:63,360.
full-text PDF 1.7 MB
plate 1 PDF 660 KB
plate 2 PDF 142 KB Complete Eruption References
Geology of the Ugashik-Mount Peulik volcanic center, Alaska, 2004
Miller, T. P., 2004, Geology of the Ugashik-Mount Peulik volcanic center, Alaska: U.S. Geological Survey Open-File Report 2004-1009, 19 p., 2 sheets, scale 1:63,360.
full-text PDF 1.7 MB
plate 1 PDF 660 KB
plate 2 PDF 142 KB 