U-Pb baddeleyite ages of key dyke swarms in the Amazonian Craton (Carajás/Rio Maria and Rio Apa areas): Tectonic implications for events at 1880, 1110 Ma, 535 Ma and 200 Ma

Precambrian Research(2019)

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摘要
•Geochronology of LIP-scale events through time and space in the Amazonian Craton.•1.89–1.87 Ga Uatumã SLIP links well the known LIP events on other crustal blocks.•1.11 Ga LIP has remarkable match with intraplate activity in other places around the world.•0.53 Ga dykes mark reactivation of the cratonic margin during West Gondwana assembly.•Ca. 200 Ma dykes correlate with the span of ages for CAMP LIP event.
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关键词
U-Pb baddeleyite age,Mafic dyke,Amazonian Craton and Rio Apa Terrane,Large Igneous Province,LIP/SLIP events
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