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Uranium-lead geochronology of detrital zircon grains from bedded greywacke, Sangster Township, Abitibi greenstone belt,
Ontario; van Breeman, O; Ayer, J A. Geological Survey of Canada, Current Research (Online) no. 2010-5, 2010, 9 pages,
https://doi.org/10.4095/261490 
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