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The Palaeoproterozoic Stubbins Formation is a newly defined succession of turbiditic and pelagic sedimentary rocks interbedded with volcanic and abundant dolerite sills. Based on preliminary SHRIMP U–Pb data from various parts of the Stubbins Formation, the age of the formation is ca. 1864Ma, which is about 30million years older than that interpreted for other successions included in the Granites–Tanami...
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