论文详情

塔里木盆地下石炭统巴楚组米级碳酸盐旋回

石油实验地质

2000年 22卷第2期

阅读：144

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Title

METER-SCALE CARBONATE CYCLES IN THE BACHU FORMATION OF THE LOWER CARBONIFEROUS IN THE TARIM BASIN

作者

齐永安胡斌

Authors

QI Yong-an HU Bin

单位

焦作工学院, 河南焦作 45400

Organization

Jiaozuo Institute of Technology, Jiaozuo, Henan 454000, China

摘要

塔里木盆地下石炭统巴楚组生屑灰岩段发育两类米级碳酸盐旋回,即潮间-潮上旋回和潮下-潮上旋回。根据沉积学特征及Fischer图解分析,这些米级旋回形成在三级层序的高位体系域,受米兰柯维奇轨道参数诱导的高频海平面变化所控制。发育针孔状溶孔的云灰岩储层与高频海平面变化所引起的碳酸盐台地的短期暴露有关。

Abstract

Two kinds of meter-scale carbonate cycles are developed in the Bioclastic Limectone Member of the Bachu Formation in the Lower Carboniferous of the Tarim Basin,i.e. the intertidal-supratidal cycle and the subtidal-supratidal cycle.According to the characteristics of sedimentology and the analysis of the Fischer Plot, the cycles are formed in the upland system domain of the 3rd order sequence and controlled by Milankovitch-induced high-frequency sea-level fluctuation. The dolomitic limestone reservoirs developed with needlehole-like solution openings may be related to the short-term exposure of carbonate platforms caused by the high-frequency sea-level fluctuation.

关键词：

高频海平面变化; Fischer图解; 米级碳酸盐旋回; 生屑灰岩段;

Keywords:

high-frequency sea-level fluctuation; the Fischer Plot; meter-scale carbonate cycles; the Bioclastic Limestone Member;

基金项目

国家“九五”重点科技攻关项目(96-111-01-05-03)

DOI

https://doi.org/10.11781/sysydz200002152