Paleogeographic map of South China during the Early–Middle Ordovician, showing the ‘dual-slope’ pattern along the depth gradients. (IMAGE)

ELSP

Paleogeographic map of South China during the Early–Middle Ordovician, showing the ‘dual-slope’ pattern along the depth gradients.

Caption

Paleogeographic map of South China during the Early–Middle Ordovician, showing the ‘dual-slope’ pattern along the depth gradients.

Credit

Xin Wei/Nanjing Institute of Geology and Palaeontolog

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