oil-saturated Oligocene sandstone in the Sagavanirktok Formation
![oil-saturated Oligocene sandstone](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/16_A12_DSC_0905_Marsh-Crk-anticline_1.jpg?itok=tjfnBJ9z)
Detailed Description
Geologists examine oil-saturated Oligocene sandstone in the Sagavanirktok Formation exposed on Marsh Creek anticline near Katakturuk River in western Arctic National Wildlife Refuge-1002 Area. Weathered surfaces are light gray and freshly broken surfaces are brown.
Sources/Usage
Public Domain.