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新疆罗布泊地区侏罗纪地层的发现及其意义
引用本文:杨瑞东,罗新荣,张传林,王佰勋,田敬全,魏怀瑞,王伟.新疆罗布泊地区侏罗纪地层的发现及其意义[J].西北地质,2006,39(4):10-15.
作者姓名:杨瑞东  罗新荣  张传林  王佰勋  田敬全  魏怀瑞  王伟
作者单位:1. 贵州大学研究生院,贵州,贵阳,550025
2. 新疆第三地质大队地质调查,所,新疆,库尔勒,841000
3. 南京地质矿产研究所,江苏,南京,210016
4. 吉林地质调查所,吉林,四平,136000
基金项目:本文为新疆地质调查项目(XJQDW2003—15),贵州省优秀科技人才基金和贵州省长基金联合资助
摘    要:在距罗布泊以西20 km的沙漠与戈壁交界处(Y=157339013,X=4516330)发现了完整的侏罗系,地层为早、中侏罗世苏康组砾岩、砂岩、粉砂岩、泥岩夹多层煤层(线),在粉砂岩中保存有大量的硅化木化石,化石主要为石松柏纲Coniferae sp.,Cupressinoxycon sp.。这为研究塔里木盆地侏罗纪植物群及古气候提供了重要的古生物化石资料。在塔里木盆地东北地区阿满坳陷东北向沙漠中发现的侏罗系,对确定侏罗系的分布范围具有一定的意义,而且也填补了罗布泊地区侏罗系的空白。同时,还发现侏罗系中多层煤层,这为塔里木盆地油气勘探研究提供了重要的材料。

关 键 词:硅化木  煤层  侏罗系  罗布泊地区  新疆
文章编号:1009-6248(2006)04-0010-06
收稿时间:2006-11-09
修稿时间:2006-12-21

Discovery of Jurassic Strata in Luobubo area, Xinjiang and Its Geological Significance
YANG Rui-dong,LUO Xing-rong,ZHANG Chuan-lin,WANG Bai-xun,TIAN Jing-quan,WEI Huai-rui,WANG Wei.Discovery of Jurassic Strata in Luobubo area, Xinjiang and Its Geological Significance[J].Northwestern Geology,2006,39(4):10-15.
Authors:YANG Rui-dong  LUO Xing-rong  ZHANG Chuan-lin  WANG Bai-xun  TIAN Jing-quan  WEI Huai-rui  WANG Wei
Institution:1. Guizhou University, Guiyang 550025, Guizhou , China ; 2. Geological Team No. 3 of Xinjiang Geological Bureau, Korla, 980001, China 3. Institute of Nanjing Geology and Mineral Resources, Nanjing 210016, China 4. Geological Team No. 4 of Jilin Geological Bureau, Siping 136000, China
Abstract:The Jurassic strata were discovered in the Luobubo area,Xinjiang.The strata are comprised of mudstones,siltstones,sandstones,conglomerates and interbedded coal beds.Abundant and well- preserved silicified wood(Coniferae sp.,Cupressinoxycon sp.)was found in the Qiakemake formation mudstones and siltstones of upper Jurassic seccssion,and two coal beds(0.3m and 0.4m thick)occur in the Sukang(Qiakemake)formation.The Jurassic strata has been the first time found in the northestern Aman Depression of the Tarim basin.Therefore,this discovery is significancant for Jurassic stratigraphical study and oil and gas development in the Tarim basin.
Keywords:silicified wood  coal bed  Jurassic statra  Luobubo area  Xinjiang
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