GRAVITY FLOW DEPOSITS OF PRODELTA SLOPE FROM 3RD MEMBER OF SHAHEJIE FORMATION,NIUZHUANG REGION,SHANDONG

Feng Youliang; He Likun; Zheng Herong; Wang Ning; Jiang Xiufang

doi:10.11743/ogg19900313

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GRAVITY FLOW DEPOSITS OF PRODELTA SLOPE FROM 3RD MEMBER OF SHAHEJIE FORMATION,NIUZHUANG REGION,SHANDONG
Vol. 11, Issue 3, Pages: 313-319(1990)
Online First：25 September 1990，

Published：1990
DOI： 10.11743/ogg19900313
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DOI：

Feng Youliang, He Likun, Zheng Herong, et al. GRAVITY FLOW DEPOSITS OF PRODELTA SLOPE FROM 3RD MEMBER OF SHAHEJIE FORMATION,NIUZHUANG REGION,SHANDONG[J]. 1990, 11(3): 313-319. DOI： 10.11743/ogg19900313.

摘要

山东省牛庄地区渐新世沙河街组三段前三角洲斜坡

由滑塌带、近源缓坡带、末端带三部分组成。滑塌带发育滑塌沉积和碎屑流沉积;缓坡带发育液化流、浊流沉积;末端带发育 AD 型、BD 型、BE 型和 CDE 型浊流组合。前三角洲斜坡发育重力流的主要控制因素是三角洲的快速进积作用和前三角洲斜坡自身存在的二元结构。油气富集的有利相区是近源缓坡带。

Abstract

The prodelta slope of the third member of the Oligocene Shahejie Formation in Niuzhuang region

Shandong

is composed of slump slope

proximal gentle slope and distal slope.The slump and the debris flow sediments are well developed on slump slope;theliquefied-flow and the turbidity current sediments developed on gentle slope and the un-complite turbidity assemblage developed on distal slope.The controlling factors for the de-velopment of gravity-flow deposits on prodelta slope are deltaic progradation and the dou-ble-layer structure of the slope.Favourable regions for hydrocarbon enrichment are gentle slope.