Tofty airborne magnetic and radiometric survey, Alaska

Description

Tofty airborne magnetic and radiometric survey, Alaska, Geophysical Report 2025-4 V. 2, covers parts of the Tanana Quadrangle west of Fairbanks, Alaska. Magnetic and radiometric data were collected with a helicopter between August 25 and 30, 2024, by EON Geosciences Inc. The survey contains a single block covering 298 km2. A total of 2,178 line-kilometers were collected. The magnetometer was installed inside the stinger attached to the helicopter nose. The airborne gamma-ray spectrometer was mounted on the interior floor of the helicopter cabin. The block was flown with a line spacing of 200 m; the northeastern portion of the block was flown with a 100 m spacing. Tie-lines for magnetic leveling were flown at 1,200 m spacing. The data, as well as additional metadata, are available from the DGGS website: http://doi.org/10.14509/31683.

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GeoTiff, ESRI shapefile, Geosoft binary grid (GRD), Microsoft Office documents, PDF (with or without georeferencing), ER Mapper ERS, ASCII text files (including CSV), Geosoft database, AutoCAD DXF, Geosoft plot file (PLT), digital images (multiple formats), georeferenced photos (multiple formats), Geosoft ASCII XYZ, Geosoft ASCII files (PLY, i0, EXP), and KMZ. Unknown Airborne electromagnetic geophysical survey data compilation Open resource

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