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As part of the Department of Natural Resources (DNR) effort to make final recommendations of federal land parcels to be considered for selection by the State of Alaska according to provisions of the Statehood Act, a decision was made to identify and evaluate potential access corridors. Corridor maps were compiled for a total of 78 quadrangles throughout Alaska. This map suite shows relevant geologic information at a scale of 1:250,000 for 10-mile-wide corridors straddling centerlines for proposed access routes throughout Alaska. The maps are based on geologic data compiled from existing, published mapping. Each compiled corridor geology map was used to derive maps of potential construction materials, data quality,...
Tags: Alaska, State Of, Ambler River Quadrangle, Anchorage Quadrangle, Aufeis, Avalanche, All tags...
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The Porcupine River fixed wing aeromagnetic geophysical survey is located in eastern Alaska, along the Canadian border, in the Sheenjek and Black mining districts. This survey is located about 135 kilometers east of Fort Yukon, Alaska and about 85 kilometers east of Circle, Alaska. Magnetic data were collected with a Geometrics G-822A cesium-vapor split-beam sensor mounted in a tail stinger. Between May 5th and June 28th, 2017, a total of 50,329 line kilometers were collected covering 13,646.9 square kilometers. Data were collected at a line spacing of 300 meters (m) with a mean ground clearance of 235 m. The data, as well as additional metadata, are available from the DGGS website: https://doi.org/10.14509/29737....
Categories: Data; Tags: Aeromagnetic, Aeromagnetic Data, Aeromagnetic Map, Aeromagnetic Survey, Airborne Geophysical Survey, All tags...
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This Raw Data File provides lithologic descriptions of core fragments recovered from a series of core holes drilled by Exxon (mid-80s) in the uplands bordering the Yukon Flats basin. In addition to descriptions of the material, the tabulated file includes geographic location, core hole numbers, an age estimate, core fragment depth, general lithology, grain size, and facies interpretation. The author examined these core materials in Fairbanks during winter and spring 2002. This work was done in preparation for an assessment carried out by the U.S. Geological Survey of undiscovered, technically recoverable hydrocarbon resources in the Yukon Flats basin.


    map background search result map search result map Survey of geology, geologic materials, and geologic hazards in proposed access corridors in selected quadrangles, Alaska Core fragment descriptions, Exxon core holes, uplands bordering Yukon Flats basin, east-central Alaska Airborne Magnetic Geophysical Survey of the Porcupine River Area, Alaska Airborne Magnetic Geophysical Survey of the Porcupine River Area, Alaska Core fragment descriptions, Exxon core holes, uplands bordering Yukon Flats basin, east-central Alaska Survey of geology, geologic materials, and geologic hazards in proposed access corridors in selected quadrangles, Alaska