According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian.
根据所含化石确定地层形成时代为
纪至二叠纪。
纪（或
）的（大约4.2亿至3.6亿年前的一段时间，在这段时间里，许多植物包括最早的树木出现在陆地上）纪（the Devonian）
物;
;世；中纪纪
According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian.
根据所含化石确定地层形成时代为纪至二叠纪。
The Devonian coal in Luquan,Yunnan Province,is a typical liptobiolite in China.
禄劝
是我国典型的残植,是
的代表。
The allochthon consists of the Presinian,Sinian and Cambrian system.The autochthon comprises the Devonian and Carboniferous system.
推覆构造的外来统为前震旦、震旦和寒武，原地统为和石炭。
The Shuangwang gold-bearing albitite zone, which is composed of stratabound albitite, albitite breccia occurred conformably in the Xinghongpu Group, Devonian silt-slate.
双王含金钠长石带主要为层状，产于星红铺组粉砂质板中。
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