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  The information on pricing and availability is out of date.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



257

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 the following areas of Northern Saskatchewan: Tazin Lake (74N); Fond du Lac (74O); Stony Rapids (74P) and Phelps Lake (64M). The release comprises seven contour maps, at a scale of 1: 250 000 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: 250 000 of the 7 radioactivity parameters for each of the 25 east-west flight lines flown at 5 kilometer line spacing. This survey was carried out under the Canada Saskatchewan Agreement on Mineral Exploration and Development in Northern Saskatchewan during the summer of 1974.

Open files 242 and 257 will be available for inspection from 1:00 p.m. E.S.T. April 1, 1975 (and equivalent local times) at the libraries of the Geological Suvey of Canada and also at: Department of Mineral Resources, 12th Floor, Toronto Dominion Bank Building, Hamilton Street and 12th Avenue, Regina, Sask., and Department of Mineral Resources, Precambrian Geological Survey, La Ronge, Saskatchewan.

Copies available at user’s expense by application to K.G. Campbell Corporation Limited, 880 Wellington Street, Ottawa, Ontario K1R 6K7.

 

{#818, February 1975 circular}

 

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