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National Geologic Map Database

Geologic Unit: Swan Lake Flat

Usage:

Swan Lake Flat Basalt (WY*)


Geologic age:

Quaternary (Pleistocene)*


Type section, locality, area and/or origin of name:

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).


AAPG geologic province:

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 ([ ]).