Atigun River in Alaska Brooks Range foothills

Atigun River in Atigun Gorge - Brooks Range in Alaska

Detailed Description

View westward along Atigun River in Atigun Gorge.  Rocks in foreground are Lower Cretaceous Fortress Mountain Formation.  Rocks in gorge, along river, are Lower Cretaceous Okpikruak Formation.  Mountains on horizon are mostly carbonates of Carboniferous Lisburne Group.  Location in Brooks Range foothills, about 100 miles southeast of Umiat.

Details

Image Dimensions: 1856 x 1392

Date Taken:

Location Taken: US