湖北荆门海慧沟上三叠统河流相  

FLUVIAL FACIES OF UPPER TRIASSIC AT HAIHUIGOU,JINGMEN,HUBEI

作　　者：李维锋[1] 肖传桃[1] 王振奇[1] 孟宪富[1] 李相明[1] 

机构地区：[1]江汉石油学院地质系,湖北江陵434102

出　　处：《石油与天然气地质》1993年第4期340-345,共6页Oil & Gas Geology

摘　　要：湖北荆门海慧沟上三叠统由九里岗组及王龙滩组组成,厚逾1100m,为一套层序清楚的河流沉积体。从下向上分别由辫状河→曲流河→辫状河→曲流河两个沉积旋回构成,其中,辫状河沉积物占绝对优势。Upper Triassic at Haihuigou,Jingmen,Hubei Province consists of Jiuligang andWanglongtan Formations which have a total thickness of more than 1100m.The sedimentsshow clearly a set of fluvial deposit sequence constituted of braided river→meanderingriver→braided river→meandering river cycles from bottom to top.Among them,thebraided river facies is dominant.

关 键 词：上三叠统 沉积 地层 河流 

分 类 号：P512.22[天文地球—地质学]