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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. The cone is fresh-looking and has a base approximately 900 meters wide. It is the northwesternmost expression of the Northern Cordilleran Volcanic Province. The cinder cone, and an approximately 11 km-long lava flow which breached the margin of the cone, erupted in the Pleistocene approximately 176,000 years ago. 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. "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
2. "Prindle Volcano - Introduction". Avo.alaska.edu. 2013-09-24. Retrieved 2013-10-16.
3. "Granulite and Peridotite Inclusions from Prindle Volcano, Yukon-Tanana Upland, Alaska" (PDF). Avo.alaska.edu. Retrieved 2013-10-16.
4. "Granulite facies xenoliths from Prindle volcano, Alaska: Implications for the northern Cordilleran crustal lithosphere". Lithos. 101: 344–358. 2008-03-31. doi:10.1016/j.lithos.2007.07.016.

External links

• U.S. Geological Survey Geographic Names Information System: Prindle Volcano

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
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