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False-color infrared satellite image of central North Slope assessment area (USGS). (Larger Image) |
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Broad anticline in Lisburne Group carbonate rocks, northern front of Brooks Range. Photo by Dave Houseknecht (USGS). (Larger Image) |
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North front of Brooks Range along southern margin of central North Slope assessment area. Photo by Dave Houseknecht (USGS). (Larger Image) |
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Southward view across Brooks Range foothills. Nanushuk Formation in foreground. Photo by Dave Houseknecht (USGS). (Larger Image) |
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Trans-Alaska pipeline entering the Brooks Range. Fortress Mountain Formation in foreground. Photo by Dave Houseknecht (USGS). (Larger Image) |
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Oil pipeline on central North Slope coastal plain. Photo by Dave Houseknecht (USGS). (Larger Image) |
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Lower Tertiary non-marine strata in the White Hills, about 40 miles northeast of Umiat. Photo by Dave Houseknecht (USGS). (Larger Image) |
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Geologist on Lower Cretaceous Nanushuk Formation on Slope Mountain. Photo by Dave Houseknecht (USGS).(Larger Image) |
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U.S. Department of the Interior |
U.S. Geological Survey
