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The AAPG/Datapages Combined Publications Database
CSPG Special Publications
Abstract
Asia
Devonian Paleogeography of Northeastern China
Abstract
After collision of the Siberian plate with the North China plate by the end of Caledonian a Devonian sea flooded northeastern China north of the collision zone. This area is subdivided into three geographic components: Hinggan Ling, Yichun-Yuquan and Mishan-Baoqing. South of the collision zone only scattered Lower and Middle Devonian rocks have been found and the paleogeography is unclear.
Gedinnian transgression occurred only in the Hinggan Ling region. A more extensive Siegenian transgression resulted from rifting along the eastern margin of Hinggan Ling and was accompanied by extrusion of a bimodal volcanic suite including spilites and rhyolites. The Emsian sea was the most widespread. A protracted regression started in early Late Devonian and reached its climax in latest Devonian time.
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