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Athapuscow aulacogen revisited: Geochronology and geochemistry of the 2046 Ma Union Island Group mafic magmatism, East Arm of
Great Slave Lake, Northwest Territories, Canada; Sheen, A I; Heaman, L M; Kjarsgaard, B; Ootes, L; Pearson, D G; Creaser, R A.
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