Lone Butte (Washington)

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
  1. Global Volcanism Program: Indian Heaven
  2. "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.
  3. 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.


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