塔西南地区早古生界台缘斜坡带特征及分布
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摘要
综合地震、测井、岩心、露头等资料,提出寒武纪—早奥陶世时期塔里木西南部发育台地边缘斜坡带。该斜坡带沿坎地里克—叶城—胜和2井—玛参1井连线一带呈近东西向展布,整体表现为退积型台缘缓斜坡。在寒武纪—早奥陶世的不同时期,该斜坡带性质和分布位置略有变化,寒武纪为宽缓斜坡,早奥陶世为弱镶边缓斜坡,斜坡带具有向北部台地逐期缓慢迁移的特点。塔西南台缘坡折带的存在表明玛南—和田河地区台缘高能相带和塔西南深水陆棚相带存在的可能性,对该区的烃源岩和储层评价预测具有重要意义。
Based on the comprehensive research of seismic,logging,core,and outcrop data,the platform edge slope developed in Cambrian?early Ordovician in southwestern Tarim Basin was proposed.The slope is generally retrogradated wide gentle slope,and distributes along the connection line of kandilike?yecheng?shenghe2?macan1.The character and location of these slopes are obviously diversified and they migrate from southern basin to northern platform in different phases of Cambrian?early Ordovician,and exist as a wide gentle slope in Cambrian,and develop into rimmed slope.The occurrence of the platform edge slope indicates that the existence of platform edge of high-energy facies in Manan?Hetianhe area and deep-shelf in southwestern Tarim Basin,which plays an important role in reservoir evaluation and source predication in southwestern Tarim Basin.
Based on the comprehensive research of seismic,logging,core,and outcrop data,the platform edge slope developed in Cambrian?early Ordovician in southwestern Tarim Basin was proposed.The slope is generally retrogradated wide gentle slope,and distributes along the connection line of kandilike?yecheng?shenghe2?macan1.The character and location of these slopes are obviously diversified and they migrate from southern basin to northern platform in different phases of Cambrian?early Ordovician,and exist as a wide gentle slope in Cambrian,and develop into rimmed slope.The occurrence of the platform edge slope indicates that the existence of platform edge of high-energy facies in Manan?Hetianhe area and deep-shelf in southwestern Tarim Basin,which plays an important role in reservoir evaluation and source predication in southwestern Tarim Basin.
引文
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[2]牟中海,肖又军,王国林,等.从岩相古地理论塔里木盆地西南地区石炭系油气潜景[J].地球学报,2001,22(1):79-83.MOU Zhong-hai,XIAO You-jun,WANG Guo-lin,et al.Oil andgas potential of carboniferous strata in southwestern Tarim Basinviewed from lithofacies-paleogeography[J].Acta GeoscientiaSinica,2001,22(1):79-83.
[3]贾承造,魏国齐,姚慧君,等.塔里木盆地构造演化与区域构造地质[M].北京:石油工业出版社,1995:24-104.JIA Cheng-zao,WEI Guo-qi,YAO Hui-jun,et al.Structuralevolution and regional structural geology in Tarim Basin[M].Beijing:Petroleum Industry Press,1995:24-104.
[4]张光亚,赵文智,王红军,等.塔里木盆地多旋回构造演化与复合含油气系统[J].石油与天然气地质,2007,28(5):653-662.ZHANG Guang-ya,ZHAO Wen-zhi,WANG Hong-jun,et al.Multicycle tectonic evolution and composite petroleum systemsin the Tarim Basin[J].Oil and Gas Geology,2007,28(5):653-662.
[5]杨树锋,陈汉林,董传万,等.西昆仑山库地蛇绿岩的特征及其构造意义[J].地质科学,1999,34(3):281-288.YANG Shu-feng,CHEN Han-lin,DONG Chuan-wan,et al.Thecharacteristics of Kudi ophiolite suite and its tectonic setting[J].Scientia Geologica Sinica,1999,34(3):281-288.
[6]肖序常,王军,苏犁,等.再论西昆仑库地蛇绿岩及其构造意义[J].地质通报,2003,22(10):745-749.XIAO Xu-chang,WANG Jun,SU Li,et al.A Further discussionof the Kudi ophiolite,west Kunlun,and its tectonicsignificance[J].Geological Bulletin of China,2003,22(10):745-749.
[7]许效松,汪正江,万方,等.塔里木盆地早古生代构造古地理演化与烃源岩[J].地学前缘,2005,12(3):49-57.XU Xiao-song,WANG Zheng-jiang,WAN Fang,et al.Tectonicpaleogeographic evolution and source rocks of the EarlyPaleozoic in the Tarim Basin[J].Earth Science Frontiers,2005,12(3):49-57.
[8]彭洪超,张振生,刘社平.塔里木盆地古生代盆地类型及板块运动特征[J].石油地球物理勘探,2006,41(6):711-718.PENG Hong-chao,ZHANG Zhen-sheng,LIU She-ping.Type ofPaleozoic basin and feature of plate movement in Tarim Basin[J].Oil Geophysical Prospecting,2006,41(6):711-718.
[9]徐旭辉.塔里木古生代原型盆地分析的油气勘探意义[J].石油与天然气地质,2002,23(3):224-227.XU Xu-hui.The significance of the analysis of Tarim Paleozoicprototype basins in oil and gas exploration[J].Oil&GasGeology,2002,23(3):224-227.
[10]Pigram C J,Davies P J,Feary D A,et al.Tectonic controls oncarbonate platform evolution in southern Papua New Guinea:Passive margin to foreland basin[J].Geology,1989,17:199-202.
[11]Gregg Erickson S.Sedimentary loading,lithospheric flexure,andsubduction initiation at passive margins[J].Geology,1993,21:125-128.
[12]何登发,贾承造,李德生,等.塔里木多旋回叠合盆地的形成与演化[J].石油与天然气地质,2005,26(1):64-77.HE Deng-fa,JIA Cheng-zao,LI De-sheng,et al.Formation andevolution of polycyclic superimposed Tarim Basin[J].Oil&GasGeology,2005,26(1):64-77.
[13]汤良杰.塔里木盆地构造演化与构造样式[J].地球科学:中国地质大学学报,1994,19(6):742-754.TANG Liang-jie.Evolution and tectonic patterns of tarimbasin[J].Earth Science:Journal of China University ofGeosciences,1994,19(6):742-754.
[14]贾承造.塔里木盆地构造特征与油气聚集规律[J].新疆石油地质,1999,20(3):177-183.JIA Cheng-zao.Structural characteristics and oil/gasaccumulative regularity[J].Xinjiang Petroleum Geology,1999,20(3):177-183.
[15]高志前,樊太亮,刘典波,等.塔里木盆地塔中南坡台缘带油气成藏条件[J].石油勘探与开发,2008,35(4):437-443.GAO Zhi-qian1,FAN Tai-liang,LIU Dian-bo,et al.Reservoir-forming conditions of platform margin belt in southernslope of Tazhong,Tarim Basin[J].Petroleum Exploration andDevelopment,2008,35(4):437-443.
[16]刘延莉,樊太亮,薛艳梅,等.塔里木盆地塔中地区中、上奥陶统生物礁滩特征及储集体预测[J].石油勘探与开发,2006,33(5):562-565.LIU Yan-li,FAN Tai-liang,XUE Yan-mei,et al.Distribution ofthe Middle-Late Ordovician reef bank reservoir in Central TarimBasin[J].Petroleum Exploration and Development,2006,33(5):562-565.
[17]高志前,樊太亮,焦志峰,等.塔里木盆地寒武—奥陶系碳酸盐岩台地样式及其沉积响应特征[J].沉积学报,2006,24(1):19-27.GAO Zhi-qian,FAN Tai-liang,JIAO Zhi-feng,et al.Thestructural types and depositional characteristics of carbonateplatform in the Cambrian-Ordovician of Tarim Basin[J].ActaSedimentologica Sinica,2006,24(1):19-27.
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