Stop 9: The Whitney-Gering Contact

A distinct line separates two different layers in the rock.
The Gering Formation overlies the Whitney Member of the Brule Formation.

NPS/Eric Grunwald

Quick Facts
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Scenic View/Photo Spot

  • About 30 feet above the trail, the Gering Formation ends and the Whitney Member of the Brule Formation begins. The mineralology, grain size, texture, and regional mantling of the Whitney Member suggest that it was created through the slow accumulation of volcanic ash that blew in from the west. 

To get to the next stop on the tour, head down the trail about 700 feet and look to the northeast towards Saddle Rock. Here you will see more of the Gering-Whitney contact. 

Scotts Bluff National Monument

Last updated: December 15, 2020