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Kokolik River Oil Sand

By Communications and Publishing 2017 (approx.)
Image shows a detail shot of a rock outcropping with grass covering in the background and two USGS scientists in hivis clothes
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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.