摘要
重庆在二叠纪茅口晚期处于川鄂局限台地的中部 ,本文以重庆彭水县方石隧道旁茅口阶剖面为基础 ,对其沉积相及沉积环境进行了探讨 ,并对灰岩样品进行处理 ,将所得的牙形刺划分成 2个带 ,分别为Mesogodolellaxuanhanensis和Mesogodolellagranti带。在此基础上对牙形刺的古生态进行了初步的探讨。
In the upper Maokou Stage of Permian,Chongqing lies in the middle of Sichuan-Hubei limited platform.Based on the Maokou Stage section of Pengshui County ,Chongqing City, this paper discussed sedimentary facies and sedimentary surroundings,disposed of limestone samples,and devided the conodonts into two zones:Mesogondolella xuanhanensis zone and M.granti zone.In alddition,the authours discussed preliminarily the ancient zoology of conodonts.
出处
《湖北地矿》
2004年第2期30-35,共6页
Hubei Geology & Mineral Resources
