东昆仑石炭系复理石沉积的大地构造背景初探

新疆石油地质 ›› 2000, Vol. 21 ›› Issue (1): 45-49.

东昆仑石炭系复理石沉积的大地构造背景初探

李日俊, 买光荣, 彭更新, 郑多明, 罗俊成, 黄智斌

中国石油天然气集团公司塔里木油田公司勘探研究中心新疆库尔勒841000

收稿日期:1999-06-28 出版日期:2000-01-01 发布日期:2021-01-15
作者简介:日俊(1962-),男,研究员,博士,石油地质。*“九五”国家重点攻关项目

Preliminary Approach to the Geotectonic Setting of Carboniferous Flysch Deposits in East Kunlun Mountains

Li Yuejun, Mai Guangrong, Peng Gengxin, Zheng Duoming, Luo Juncheng, Huang Zhibin

Professor, Petroleum Geology, Exploration Research Center, Tarim Petroleum Exploration and Development Headquarters, Korla, Xinjiang 841000

Received:1999-06-28 Online:2000-01-01 Published:2021-01-15

摘要/Abstract

摘要： 东昆仑位于青藏高原北缘,处于昆仑构造带、阿尔金构造带、塔里木地块、柴达木地块等构造单元交汇部位,地质构造条件极为复杂。这里人迹罕至,研究程度很低,许多基础地质问题尚待解决。作者根据对祁漫塔格一木孜塔格一带石炭系碎屑岩样品所做的化学成分分析结果,探讨了当时沉积的大地构造背景,认为东昆仑无论南带还是北带,在石炭纪都属于碰撞造山前的活动性构造背景,可能是藏北晚古生代多岛海的组成部分。

关键词: 昆仑山, 石炭纪, 复理石建造, 地球化学数据, 大地构造

Abstract: The East Kunlun Mountains is located in northem margin of Qinghai-Tibet plateau, being connected with Kunlun structural belt, Arkin structural belt, Tarim massif block and Qaidam massif block etc, with extremely corplicated conditions of geological structures. In this untravelled area, fewer exploratory eforts were made, and many basic geological problems existed to be solved. The authors make an analysis of the principle geochemical elements from Carboniferous clastic core samples along Qimantag-Muztag area, a study of the geotectonic settings corresponding to the deposits, and point out that East Kunlun Mountains in Carboniferous, whether its south belt or north belt, all belong to active tectonic settings prior to collisional orogeny, which would be the part of formnation of the ocean with multiple islands.

Key words: Kunlun Mountain, Carbonoferous, Flysch formnation, Geochemical data, Tectonics

. 东昆仑石炭系复理石沉积的大地构造背景初探[J]. 新疆石油地质, 2000, 21(1): 45-49.

Li Yuejun, Mai Guangrong, Peng Gengxin, Zheng Duoming, Luo Juncheng, Huang Zhibin. Preliminary Approach to the Geotectonic Setting of Carboniferous Flysch Deposits in East Kunlun Mountains[J]. Xinjiang Petroleum Geology, 2000, 21(1): 45-49.

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