GSC Open File Release Notices

Archived information

The text below is an exact reproduction of the original release notice, which was often unilingual.  It contains information that is not readily available elsewhere.  The information on pricing and availability is out of date.

Release Notice Text


Airborne Radioactivity Maps and Profiles

Contour maps and profiles of radioactivity data obtained with the GSC airborne gamma-ray spectrometer system, are being released for an area of approximately 1075 km2, located along the edge of the Athabasca Formation (58º30’-59º00’N; 103º39’-104º00’W) Hatchet Lake area, northern Saskatchewan. The release comprises seven contour maps, at a scale of 1:50 000 showing total count, uranium, thorium and potassium concentrations, and U/Th, U/K and Th/K ratios and profiles, also at a scale of 1: 50 000 of the 7 radioactivity parameters for each of the 73 east-west flight lines that were flown at 0.5 mile (0.8 km) line spacing.


{#819, March 1975 circular}


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