...B.M. EGLINGTON; R.J. THOMAS; R.A. ARMSTRONG Abstract 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...

...Brendan M. Clarke Abstract This paper describes the field geology of the Natal Metamorphic Province (NMP) as exposed on the Durban 1:50 000 map sheet, and applies the established lithostratigraphic subdivision of the southern Mzumbe terrane to these rocks. Supracrustal gneisses of the Mapumulo...

...R. J. Thomas; D. H. Cornell; R. A. Armstrong Abstract Layered gneisses of the Quha Formation make up the oldest component of the Mzumbe terrane, Natal Metamorphic Province. They have been interpreted as predominantly metamorphosed andesitic volcanic rocks and their sedimentary derivatives, formed...

... Lesotho granulites occurred at ~1.10, ~1.04 and ~1.00 Ga, first in response to crustal thickening associated with thrust stacking of the Tugela terranes across the southern margin of the Kaapvaal craton and juxtaposition of the adjoined Mzumbe terrane at ~1.10 Ga, and then by subsequent crustal accretion...

... Ga arc- related intrusive and supracrustal rocks of the Mzumbe terrane to the north. The new date has rendered this interpretation untenable, as it shows that the gneiss is approximately coeval with granitoids and charnockites of the Oribi Gorge Suite, which have a within-plate signature. Published...

... in the Margate Terrane. This is ~60 Ma later than the completion of the main tectonism (D 1–3 ) documented from the Tugela Terrane, suggesting diachronous arc accretion. Syntectonic granitoids with ages of ~1090 Ma have also been documented from the Mzumbe terrane, as well as from Western Dronning Maud Land...

... providing a reliable upper age of ~1.07 to 1.08 Ga for D 3 in the Margate Terrane. This upper age is ~20 to 47 Ma older than that determined for the D 3 event in the Mzumbe Terrane. Integration with newly constrained ages of the D 1 (~1.09 Ga) and D 2 (1.09 to 1.06 Ga) events illustrate their temporal...

... in the “results” section. Figure 1. Geological map of the Natal Metamorphic Province that shows the relative positions of the Margate, Mzumbe and Tugela terranes, as well as the distribution of the Oribi Gorge Granitoid Suite (modified from Thomas et al. 1993a ; McCourt et al. 2006 ). Inset at top left...

... 134 355 367 Thomas R.J. A tale of two tectonic terranes South African Journal of Geology 1989 92 306 321 Thomas R.J. Eglington B.M. A Rb-Sr, Sm-Nd and U-Pb zircon isotopic study of the Mzumbe Suite, the oldest intrusive granitoid in southern Natal, South Africa South...

... of Gondwanaland Annual Review Earth and Planetary Science Letters 1994 22 319 351 Thomas R.J. A tale of tectonic terranes South African Journal of Geology 1989 92 306 321 Thomas R. J. Eglington B.M. A Rb–Sr, Sm–Nd and U–Pb zircon isotopic study of the Mzumbe Suite, the oldest...

...Figure 2 ( A ) Overview map showing different geological domains around Lesotho and some kimberlite locations (modified after Griffin et al., 1979 ; Schmitz and Bowring, 2004 ). From North to South: Kaapvaal craton, Tugela terrane, Mzumbe terrane and Margate terrane. (1) Monastery Mine; (2...

... that the entire Tugela Terrane overlies Archaean crust. The Mzumbe Terrane covers a large area south of the Lilani-Matigulu shear zone. It consists of supracrustal gneisses that were intruded by a wide range of meta-igneous rocks including TTG orthogneisses and by later gabbros ( Thomas, 1989 ). The Mzumbe...