Permian

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至二。

Permian bioclastic limestone and bioherm are the most favorable reservoirs.

二系生屑灰岩和生物礁最有利储层。

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

缓龙与类似大小恐��兽类都是中二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.

二末期，球上陆合并成一块超级大洲，叫作盘古大陆，以及一个超级大海，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.

四川盆下二统中次生白云岩及古岩溶是下二统主要非构造圈闭储层之一。