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  • 简介:ThewesternGangdeseinTibetduringTriassicwaspreviouslyconsideredtobeapartoftheGangdeseOldland(ZhaoZZetal.,2001;Fig.1).IftheGangdeseOldlanddidexist,itmeansnoprospectofpetroleumexplorationoftheTriassicstratainwesternGangdesearea.Fortunately,therecentbiostratigraphicprogressesdon’tsupporttheexistenceoftheGangdeseOldland.ThispaperaimstobrieflyintroducethenewpaleogeographicinterpretationandthereasonthatthewesternGangdeseintheTriassicwasmarineinsteadofterrigenousonthebasisoftherecentconodontdata.

  • 标签: LAND SUBMERGED western GANGDESE carbonate platform