NURE aerial gamma-ray and magnetic reconnaissance survey, Chugach/Yakutat area, Alaska. Volume I. Narrative report

Technical Report · Sun Oct 01 04:00:00 EDT 1978

OSTI ID:6359128

A rotary-wing reconnaissance high sensitivity radiometric and magnetic survey covered the Alaska portion of twenty-nine 1:250,000 NTMS quadrangles. A total of 21,409 line miles of data were collected during the 1976 and 1977 flying seasons. Traverse lines were flown in an east-west direction at 6.25 mile spacing, with the lines flown in a north-south direction at 25 mile spacing. The data were digitally recorded at 2.0 second intervals. The NaI crystal detectors used in this survey had a volume of 2,154 cubic inches for the terrestrial sensors and 318 cubic inches on the atmospheric sensor. The magnetometers employed were a modified ASQ-10 fluxgate (1977) and Varian V-85 proton (1976). This report covers only the Chugach/Yakutat area comprised of the Valdez, Cordova, Bering Glacier, Icy Bay, Mt. Saint Elias, and Yakutat NTMS 1:250,000 scale quadrangles which were flown during the 1976 and 1977 seasons. The radiometric data were normalized to 400 feet terrain clearance. The data are presented in the form of computer listings on microfiche and as stacked profile plots. The profile plots are contained in Volume II of this report. A geologic interpretation of the radiometric and magnetic data is included in this volume.

• Research Organization: LKB Resources, Inc., Huntingdon Valley, PA (USA)
• DOE Contract Number: EY-76-C-13-1664
• OSTI ID: 6359128
• Report Number(s): GJBX-127(78)(Vol.1)
• Country of Publication: United States
• Language: English

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