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The tholeiitic to calc-alkaline Goas Complex represents the earliest magmatic activity of the inland branch of the Damara Orogen, and reflects the Pan-African convergence between the Congo and Kalahari Cratons. New results from laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) zircon U–Pb geochronology coupled with single-zircon Lu–Hf isotopic data constrain the age of emplacement...
New in situ U–Pb-Hf analyses of detrital zircons from across the Archaean Dharwar craton indicate significant juvenile crustal extraction events at ~3.3 and 2.7Ga, and continuous extraction from 3.7 to 3.3Ga. Reworking in the older western block at ~3.0Ga marks the onset of cratonisation, most likely due to ‘modern’ plate tectonic processes, whilst reworking in both the western and younger eastern...
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