According to the conodont and fusulinid fossils,their ages are determined to be Devonian-Permian.

根据所含化石确定层形成时代泥盆纪至二叠纪。

Permian bioclastic limestone and bioherm are the most favorable reservoirs.

二叠系生屑灰岩和生物礁最有利的储层。

Along with the similarly large dinocephalia, the bradysaurs constituted the herbivorous megafauna of the late Middle Permian Period.

缓龙与类似大小的恐��兽类都是中二叠纪的草食性巨型土壤生物。

At the end of the Permian period the earth's landmasses were configured into one supercontinent, Pangea, and a superocean, Panthalassa.

二叠纪末期，球上的陆合并成块超级大洲，叫作盘古大陆，个超级大海，叫作原始大洋。

The secondary dolomite and paleokarst of the Lower Permian Series in Sichuan Basin is one of the important atectonic reserviors in the basin.

四川盆下二叠统中次生白云岩古岩溶是下二叠统主要的非构造圈闭储层之。