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Prindle Volcano is an isolated basaltic cinder cone located in eastern Alaska, United States, in the headwaters of the East Fork of the Fortymile River, approximately 80 kilometers northeast of Tok, Alaska. The cone is fresh-looking and has a base approximately 900 metres (980 yards) wide. It is the northwesternmost expression of the Northern Cordilleran Volcanic Province. The cinder cone, and an approximately 11-kilometre (6.8-mile) long lava flow which breached the margin of the cone, erupted in the Pleistocene approximately 176,000 years ago. The lava flow extends to the southeast, then turns southwest and continues in a river valley.

Rocks forming the Prindle Volcano occur within, and penetrated through, the Yukon–Tanana upland which is a large region of mostly Paleozoic-Mesozoic metamorphosed and deformed sedimentary, volcanic, and intrusive rocks that are intruded by younger Cretaceous and Cenozoic granitic rocks. Xenoliths in the volcano's ejecta provide a sample of lower crust material.

See also

• List of Northern Cordilleran volcanoes
• List of volcanoes in the United States

References

1. ^ Wood, Charles A. (1992-11-27). Volcanoes of North America: United States and Canada. Cambridge University Press. ISBN 978-0-521-43811-7.
2. "Dating young basalt eruptions by (U-Th)/He on xenolithic zircons" Geology, v. 35 no. 1 p. 17-20, 2006 doi: 10.1130/G22956A.1
3. "Prindle Volcano - Introduction". Avo.alaska.edu. 2013-09-24. Retrieved 2013-10-16.
4. "Granulite and Peridotite Inclusions from Prindle Volcano, Yukon–Tanana Upland, Alaska" (PDF). Avo.alaska.edu. Retrieved 2013-10-16.
5. Ghent, Edward D.; Edwards, Benjamin R.; Russell, J.K.; Mortensen, James (2008-03-31). "Granulite facies xenoliths from Prindle volcano, Alaska: Implications for the northern Cordilleran crustal lithosphere". Lithos. 101 (3–4): 344–358. doi:10.1016/j.lithos.2007.07.016.

External links

• U.S. Geological Survey Geographic Names Information System: Prindle Volcano
• "Prindle". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-28.

63°42′54″N 141°37′44″W / 63.71500°N 141.62889°W / 63.71500; -141.62889

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• Volcanoes of Alaska
• Northern Cordilleran Volcanic Province
• Cinder cones of the United States
• Landforms of Yukon–Koyukuk Census Area, Alaska
• Pleistocene volcanoes
• Volcanoes of Unorganized Borough, Alaska
• Yukon–Koyukuk Census Area, Alaska, geography stubs