Kokolik River Oil Sand
By Energy Resources Program
2017 (approx.)
![Image shows a detail shot of a rock outcropping with grass covering in the background and two USGS scientists in hivis clothes](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Kokolik%20Riv%20Oil%20Sand%20_A13_0123_.jpg?itok=yda_tOk9)
Detailed Description
Oil-saturated sandstone in the Nanushuk Formation in westernmost National Petroleum Reserve in Alaska (NPR-A). Oil in these rocks likely was generated beneath Western North Slope and migrated northeastward into NPR-A.
Sources/Usage
Public Domain.