塔里木盆地二叠纪大火成岩省发育的时空特点

新疆石油地质 ›› 2009, Vol. 30 ›› Issue (2): 179-182.

塔里木盆地二叠纪大火成岩省发育的时空特点

陈汉林^1a,1b, 杨树锋^1a,1b, 厉子龙^1a,1b, 余星^1a,1b, 罗俊成^2,3, 何光玉^1a,1b, 林秀斌^1a,1b, 王清华³

1.浙江大学 a.地球科学系;b.教育部含油气盆地构造研究中心杭州,310027;
2.北京大学地球与空间科学学院,北京 100871;
3.中国石油塔里木油田分公司,新疆库尔勒 841000

收稿日期:2008-11-28 修回日期:2008-12-26 出版日期:2009-04-01 发布日期:2020-08-25
作者简介:陈汉林（1964-）,男,浙江杭州人,教授,地球科学, （Tel）0571-87952791（E-mail）hlchen@Zju.edu.cn.

Spatial and Temporal Characteristics of Permian Large Igneous Province in Tarim Basin

CHEN Han-lin^1,2, YANG Shu-feng^1,2, LI Zi-long^1,2, YU Xing^1,2, LUO Jun-cheng^3,4, HE Guang-yu^1,2, LIN Xiu-bin^1,2, WANG Qing-hua⁴

1. Department of Earth Sciences, Zhejiang University, Hangzhou, Zhejiang 310027, China;
2. MOE Structural Research Center of Oil and Gas Bearing Basin, Zhejiang University, Hangzhou, Zhejiang 310027, China;
3. College of Earth and Planetary Science, Peking University,Beijing 100871, China;
4. Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China

Received:2008-11-28 Revised:2008-12-26 Online:2009-04-01 Published:2020-08-25

摘要/Abstract

摘要： 塔里木盆地二叠纪大火成岩省岩浆作用是盆地演化历史当中一次非常重要的构造热事件。大火成岩省的组成单元主要包括隐爆角砾云母橄辉岩岩筒及辉橄岩、辉石岩、辉长岩、玄武岩、辉绿岩、碱性正长岩和正长斑岩岩墙等,其中以玄武岩和辉绿岩最为发育。大火成岩省的岩石单元分布在满加尔坳陷西段和塔北隆起西段,塔中隆起、巴楚隆起以及塔西南坳陷,几乎涵盖半个塔里木盆地,面积约 20×10⁴ km 2 ,并有 7 个残余分布的厚度中心。大火成岩省发育具有如下的时间序列：瓦吉里塔格地区的层状岩体→隐爆角砾云母橄辉岩岩筒→库普库兹曼组玄武岩（278×10⁶ ~292×10⁶ a）→开派兹雷克组玄武岩（272×10⁶ ~288×10⁶ a）→辉绿岩脉、超基性岩脉→正长岩（包括石英正长斑岩岩脉）（277×10⁶ a）。

关键词: 塔里木盆地, 二叠纪, 大火成岩省, 分布, 时间序列

Abstract: The magmatism of Permian large igneous province (LIP) is a very significant thermotectonic event in process of evolution of Tarim basin. The lithological units of this province consist of brecciated mica-olivine pyroxenite pipe, olivine pyroxenite, pyroxenite, gabbro, basalt, diabase, alkali syenite and syenite dike, being dominated by basalt and diabase. They are not only distributed in the west part of Manjiaer depression and west part of Tabei (northern Tarim) uplift, but also in Tazhong (central Tarim) uplift, Buchu uplift and Taxinan (southwestern Tarim) depression, covering an area of 20×10⁴ km 2 , and there are also 7 thickness centers for residual distribution. The time sequence of the Permian LIP development is as follows: Wajilitag layered rock mass→brecciated mica-olivine pyroxenite pipe→ basalt of Kupukuciman formation (278-292 Ma) →basalt of Kaipaicileike formation (272-288 Ma) →diabase and ultrabasic dikes→ syenite (quartz syenite porphyry) (277 Ma).

Key words: Tarim basin, Permian, LIP, distribution, time sequence

中图分类号:

TE111.3

陈汉林, 杨树锋, 厉子龙, 余星, 罗俊成, 何光玉, 林秀斌, 王清华. 塔里木盆地二叠纪大火成岩省发育的时空特点[J]. 新疆石油地质, 2009, 30(2): 179-182.

CHEN Han-lin, YANG Shu-feng, LI Zi-long, YU Xing, LUO Jun-cheng, HE Guang-yu, LIN Xiu-bin, WANG Qing-hua. Spatial and Temporal Characteristics of Permian Large Igneous Province in Tarim Basin[J]. Xinjiang Petroleum Geology, 2009, 30(2): 179-182.

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