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Archean Tonalite-Trondhjemite-Granodiorite (TTG) rocks are scattered within the Kongling high-grade metamorphic terrane (KHMT) in the northern South China block. A comprehensive geochronological and geochemical study is carried out on the Taoyuan granitic gneisses, a newly recognized TTG suite in the northwestern KHMT. This suite has long been regarded as a Mesoproterozoic magmatic pluton, but U-Pb...
U–Pb detrital zircon geochronology from Lower Devonian quartz arenites of the northwestern margin of the Yangtze block yields dominant early Neoproterozoic (0.85–1.0Ga), Pan-African (0.5–0.65Ga) and middle Neoproterozoic (0.68–0.8Ga) age populations and minor Mesoproterozoic to middle Mesoarchean (1.0–3.0Ga) ages. Middle Mesoarchean to Mesoproterozoic rocks, however, are widespread in the South China...
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