Swan Lake Flat Basalt (WY*)
Quaternary (Pleistocene)*
Type area: Sheepeater Cliffs on east side of canyon of Gardner River, southeast of Bunsen Peak, [Mammoth 15-min quadrangle (1962 ed.), Park Co.], Yellowstone National Park, northwestern WY. [Named from Swan Lake Flat, southwest of Bunsen Peak, along western edge of quadrangle] (Christiansen and Blank, 1972).
Yellowstone province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).