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Lopingian (Upper Permian) radiolarian cherts are well-developed in shelf basinal facies, slope facies and deep oceanic basins in South China. Investigations during the last 20 years have resulted in the discovery of numerous radiolarian-bearing siliceous sections of the upper Palaeozoic, assignable to 23 radiolarian zones. Lopingian radiolarian sequences in South China are most complete and among...
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