U-PB SHRIMP zircon dating of Mesoproterozoic Magmatic rocks from the Scottburgh area, Central Mzumbe Terrane, Kwazulu-Natal, South Africa
New U-Pb zircon SHRIMP dates are presented for two critical meta-igneous rock units from the Scottburgh area, central Mzumbe Terrane, Natal Sector of the Namaqua-Natal Metamorphic Province ("Natal belt"). A sample of the oldest syntectonic granitic orthogneisses of the Mzumbe Terrane, the Mzimlilo Granite, gave a date of 1147 ± 8 Ma. This is interpreted to represent the crystallisation age and thus gives a reliable minimum estimate of the age of the first, collision-related tectono-metamorphic...[Show more]
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|Source:||South African Journal of Geology|
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