湘西北下寒武统等深流沉积  

Lower Cambrian Contour Current Deposits in the Northwestern Hunan

作　　者：李发科[1] 汪德雯[2] 林小云[3] 郑秀才[3] 

机构地区：[1]中原油田井下作业处,河南濮阳457001 [2]中原油田地调处,河南濮阳457001 [3]江汉石油学院,湖北荆州434102

出　　处：《石油天然气学报》2001年第z1期7-9,共3页Journal of Oil and Gas Technology

基　　金：国家"八五"重点科技攻关课题 ( 85 -10 2 -14 -0 4-0 4)

摘　　要：湘西北地区下寒武统的等深积岩发育于深水缓坡带。依据结构特征将其划分为含粉砂泥质等深积岩和砂质等深积岩两种 ,描述了完整型 ( )和不完整型 ( 、 ) 3种等深积岩剖面结构 ,并对它们进行了成因解释 。The Lower Cambrian contour sediment is grown up in a deep water slope zone It is divided into two types of silty and shaly contourite and sandy contourite Three kinds of contourite profile structures such as perfect (I) and imperfect (Ⅱ,Ⅲ) are described,genetic interpretation is made on them, certain features of the contourites are discussed

关 键 词：等深积岩 沉积特征 早寒武世 湘西北 

分 类 号：P534[天文地球—古生物学与地层学]