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Du Yuansheng. SEDIMENTARY GEOLOGY AND DYNAMIC SEDIMENT-OLOGY OF THE DEVONIAN STRATA IN THE WEST QINLING OROGENIC BELT: SEDIMENTARY CHARACT-ERISTICS AND FRAMEWORK OF THE DEVONIAN RIFT TROUGH AND MOTIANLING TERRANE IN THE SOUTHERN BELT OF THE WEST QINLING OROGENIC BELT[J]. Sedimentary Geology and Tethyan Geology, 1995, 15(6): 48-61.
Citation: Du Yuansheng. SEDIMENTARY GEOLOGY AND DYNAMIC SEDIMENT-OLOGY OF THE DEVONIAN STRATA IN THE WEST QINLING OROGENIC BELT: SEDIMENTARY CHARACT-ERISTICS AND FRAMEWORK OF THE DEVONIAN RIFT TROUGH AND MOTIANLING TERRANE IN THE SOUTHERN BELT OF THE WEST QINLING OROGENIC BELT[J]. Sedimentary Geology and Tethyan Geology, 1995, 15(6): 48-61.

SEDIMENTARY GEOLOGY AND DYNAMIC SEDIMENT-OLOGY OF THE DEVONIAN STRATA IN THE WEST QINLING OROGENIC BELT: SEDIMENTARY CHARACT-ERISTICS AND FRAMEWORK OF THE DEVONIAN RIFT TROUGH AND MOTIANLING TERRANE IN THE SOUTHERN BELT OF THE WEST QINLING OROGENIC BELT

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  • Published Date: December 29, 1995
  • The southern Qinling rift trough is installed between the Qinling mieroplate and Mo-tianling terrane. The stress in this article is put on the stratigraphy,sedimentology,volcan-ism and palaeobiogeography of the Devonian strata in the rift trough and Motianling ter-rane,as well as their depositional systems and basin framework. The Devonian Sanhekou Group in the rift trough consists of metamudstone,silty mudstone and thin-to thick-bed-ded lime mudstone in deep-water basin and shelf environments interstratified with tholeiite and alkali basalt. The chemical analysis and REE distribution patterns of tholeiite and al-kali basalt indicate the existance of the rift trough during Devonian time. The Devonian strata in the Motianling terrane are made up of terrigenous nearshore and shelf deposition-al system,and carbonate ramp and shelf depositional systems. The terrane is interpreted as part of the northern continental margin of the Yangtze plate.
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