Magnetic Prospecting Methods in Asbestos Exploration

DESPITE the fact that the .association of magnetite with chrysotile asbestos in the parent producing area of the world, the Thetford Mines - Black Lake area, has been recognized since the ores of that region were first known, magnetic methods were not extensively employed in exploration for asbestos until about the beginning of 1949. Since then, large areas of Ontario, Quebec, and the eastern United States have been prospected both by aeromagnetic and conventional ground magnetic methods.
Keywords: Asbestos, Asbestos Corporation, granite, magnetic anomalies, Pennington dyke, peridotite, Deposits, Drilling, Dykes, Ore, Ores, test, Tests
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