Skip to main content
U.S. flag

An official website of the United States government

Field photograph showing the plateau-like nature of Timber Hill basalt

July 2022 (approx.)

Detailed Description

Field photograph showing the plateau-like nature of Timber Hill basalt. The Sweetwater Fault (yellow) vertically offsets the Timber Hill basalt at least 700 feet at this location. Photograph by Jesse Mosolf, Montana Bureau of Mines and Geology, 2022.

Sources/Usage

Public Domain.