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The AAPG/Datapages Combined Publications Database

CSPG Special Publications

Abstract


Devonian of the World: Proceedings of the 2nd International Symposium on the Devonian System — Memoir 14, Volume I: Regional Syntheses, 1988
Pages 607-618
Asia

Devonian Paleogeography of Northeastern China

Yangzheng Su

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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