| 西准噶尔恰达一带志留系玛依拉山组滑塌堆积岩发现及意义 |
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| 引用本文： | 仲星,张洪伟,李永军,刘振伟,王海博.西准噶尔恰达一带志留系玛依拉山组滑塌堆积岩发现及意义[J].新疆地质,2011,29(4):367-371. |
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| 作者姓名： | 仲星 张洪伟 李永军 刘振伟 王海博 |
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| 作者单位： | 1. 长安大学地球科学与资源学院,西部矿产资源与地质工程教育部重点实验室,陕西西安710054
2. 新疆地质矿产勘查开发局第七地质大队,新疆乌苏市,833000 |
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| 基金项目： | 新疆维吾尔自治区地质矿产调查项目(XJZBKD2008-04)资助 |
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| 摘 要： | 滑塌堆积是由滑动作用导致岩性或岩相相同岩块和泥质基质相混杂且层理不发育的沉积体在新疆西准噶尔恰达一带志留系玛依拉山组上部发现一套特殊沉积层,经岩性特征、分布层位、构造形变及空间组合关系研究,厘定为滑塌堆积此次发现,证实恰达一带中晚志留世晚期正处于盆地斜坡带位置玛依拉山组滑塌堆积岩的发现,为恢复和建立西准噶尔志留纪沉积环境和古地理演化提供可靠依据,为进一步分析志留纪盆地演化提供了重要佐证.
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| 关 键 词： | 西准噶尔 玛依拉山组 滑塌堆积 地质意义 |
GEOLOGICAL CHARACTERISTICS AND ITS SIGNIFICANCE OF OLISTROMES OF SILURIAN MAYILASHAN FORMATION OF QIADA AREA IN THE WEST JUNGGAR,XINJIANG |
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| ZHONG Xing
,
ZHANG Hong-wei
,
LI Yong-jun
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LIU Zhen-wei
,
WANG Hai-bo.GEOLOGICAL CHARACTERISTICS AND ITS SIGNIFICANCE OF OLISTROMES OF SILURIAN MAYILASHAN FORMATION OF QIADA AREA IN THE WEST JUNGGAR,XINJIANG[J].Xinjiang Geology,2011,29(4):367-371. |
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| Authors: | ZHONG Xing ZHANG Hong-wei LI Yong-jun LIU Zhen-wei WANG Hai-bo |
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| Institution: | ZHONG Xing1,ZHANG Hong-wei2,LI Yong-jun1,LIU Zhen-wei1,WANG Hai-bo1(1.College of Earth Science and Resources,Chang'an University,Key Laboratory of Western China's Mineral Resources and Geological Engineering,Ministry of Education,Xi'an,Shaanxi,710054,China 2.No.7 Geological party,BGMERD of Xinjiang,Wusu,Xinjiang,833000,China) |
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| Abstract: | The olistromes are interpreted as the deposits consisting of heterogeneous material(rock blocks and mud),caused by slumping or gravity sliding of unconsolidated sediments,and lens like layer with no ture bedding,deposited within normal bedding sequences on the continental slope.We new found a set of special facies at the upper layer of silurian Mayilashan formation of the Qiada area in the West Junggar,after careful lithologic features,distribution horizon,tectonic deformation and space combination relation... |
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| Keywords: | West Junggar Mayilashan Formation Olistromes Geological significance |
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