The Paleoproterozoic Kaminak dykes, Hearne craton, western Churchill Province, Nunavut, Canada: Preliminary constraints on their age and petrogenesis

作者: Hamish A. Sandeman , Larry M. Heaman , Anthony N. LeCheminant

DOI: 10.1016/J.PRECAMRES.2012.06.002

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摘要: … A precise U–Pb baddeleyite date of 2497.6 ± 1.1 Ma, obtained for one dyke sample, provides the best estimate for the timing of Kaminak mafic magmatism. The dykes are tholeiitic …

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