Lone Butte is a 4,780 foot (1,460 m) tuya in the Indian Heaven volcanic field, Washington, United States.[1][2] It is part of the Pacific Ring of Fire.
Lone Butte last erupted during either the Hayden Creek glaciation 130,000-150,000 years ago (late Illinoian), or 70,000-90,000 years ago during the early Wisconsin glaciation.[3]
References edit
- ^ "Indian Heaven: Synonyms & Subfeatures". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-28.
- ^ "Lone Butte and Crazy HillsSubglacial volcanic complexes, Cascade Range, Washington | Cordilleran Section of the Geological Society of America | GeoScienceWorld Books | GeoScienceWorld". pubs.geoscienceworld.org. Retrieved 2018-06-22.
- ^ Korosec, Michael A. (December 1989). "NEW K-AR AGE DATES, GEOCHEMISTRY, AND STRATIGRAPHIC DATA FOR THE INDIAN HEAVEN 'QUATERNARY VOLCANIC FIELD, SOUTH CASCADE RANGE, WASHINGTON" (PDF). Retrieved 22 June 2018.
46°03′16″N 121°50′21″W / 46.05444°N 121.83917°W
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