新疆博格达山北缘大龙口地区构造特征与油气勘探前景
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
大龙口地区位于新疆博格达山与准噶尔盆地的结合部位,属于博格达山北缘山前冲断带的组成部分,关于该区地下地质构造特征,长期以来缺乏清楚的认识。通过地表地质、地震和非地震资料的综合研究,纵向上以阜康逆冲断裂为界,将该区划分为下盘伸展构造系统和上盘逆冲推覆构造系统,前者为原地系统,构造变形较弱,保留有早二叠世裂谷的隆坳结构,对重新认识博格达山地区早二叠世的区域大地构造背景及演化具有重要意义;后者构造变形强烈,总体以自南向北的冲断推覆为主,并伴有一定的走滑扭动变形。经过多期构造运动,阜康断裂上盘勘探目的层已裸露,加之褶皱和断裂发育,油气保存条件差,勘探前景较差;而断裂下盘发育早二叠世残留凹陷,圈闭发育,油气保存条件好,勘探前景较好。
Dalongkou area,located between Bogda Mountain and the eastern Junggar Basin,Xinjiang,is an integral part of the northern fold and thrust belt of Bogda Mountain. Many studies have been carried out about the surface structural features in recent years,but the underground structural features are not clear till now due to the complex structural deformation and poor seismic imaging quality making identification of underground structures difficult. By surface geology,seismic and magnetotelluric data integrated research,given Fukang thrust fault works as a detachment,two structural systems can be divided vertically which are the extensional tectonic system of the Early Permian rift in the lower part and the fold and thrust system in the upper part. The former belongs to the in situ system with weak structural deformation,and the juxtaposed tectonic framework of the Lower Permian faulted high with fault depression is clear which is of great importance in rethinking regional tectonic setting and evolution of Bogda Mountain in the Early Permian; the latter,with intense structural deformation,is characterized by the thrusting from south to north,and accompanied by some strike-slip deformation.Undergoing multiple-stage tectonic movements,the Permian to Jurassic exploratory objectives are exposed,together with the intense deformation of folds and faults,and the preservation becomes poor,herein makes petroleum exploration prospects poor. On the other hand,there exist favorable petroleum elements,and given the existence of an Early Permian "residual fault depression",a greater exploration potential for oil and gas can be assumed in the footwall of the Fukang thrust fault.
引文
[1]伍致中.博格达推覆构造与油气[J].新疆石油地质,1986,7(2):35-43.
    [2]伍致中,郭富贤.再论博格达推覆构造与油气[J].新疆地质,1991,9(1):40-49.
    [3]彭希龄,胡斌,刘楼军.博格达山前褶皱带的再研究[J].新疆石油地质,1990,11(4):276-295.
    [4]孙自明,何治亮,牟泽辉.准噶尔盆地南缘构造特征及有利勘探方向[J].石油与天然气地质,2004,25(2):216-221.
    [5]吴孔友,查明,曲江秀,等.博格达山隆升对北三台地区构造形成与演化的控制作用[J].石油大学学报:自然科学版,2004,28(2):1-5.
    [6]陈宪.试论新疆博格达山脉的特征及成因[J].新疆地质,2003,21(3):356-357.
    [7]旷理雄,郭建华,梅廉夫,等.从油气勘探的角度论博格达山的隆升[J].吉林大学学报:地球科学版,2005,35(3):346-350.
    [8]李涛,王宗秀,周高志,等.新疆博格达山分段及深浅构造转换关系[J].地学前缘,2004,11(3):103-114.
    [9]刘楼军,陈伟.北天山山前带厚皮与薄皮推覆构造的几何学运动学特征[J].天然气工业,2002,22(5):104-105.
    [10]孙自明,王毅.新疆博格达山西缘米泉地区构造解析与建模[J].现代地质,2014,28(2):300-307.
    [11]顾连兴,胡受奚,于春水,等.东天山博格达造山带石炭纪火山岩及其形成地质环境[J].岩石学报,2000,16(3):305-316.
    [12]吴庆福.准噶尔盆地构造演化及含油气远景[J].新疆地质,1986,4(3):1-19.
    [13]王利利,张恺,高明远.准噶尔盆地南缘的构造演化特征及含油气预测[J].新疆石油地质,1986,7(2):1-9.
    [14]何国琦,李茂松,刘德权,等.中国新疆古生代地壳演化及成矿[M].乌鲁木齐:新疆人民出版社,1994:1-437.
    [15]王宗秀,李涛,周高志,等.博格达山晚石炭纪造山活动的变形地质记录[J].地学前缘,2003,10(1):63-69.
    [16]陈登超,赵省民,邓坚.新疆东部博格达山北侧石炭系碎屑锆石U-Pb定年及其地质意义[J].地质学报,2010,84(12):1770-1780.
    [17]崔泽宏,汤良杰,王志欣.博格达南、北缘成盆过程演化及其对油气形成影响[J].沉积学报,2007,25(1):59-64.
    [18]赵白.准噶尔盆地的形成与演化[J].新疆石油地质,1992,13(3):191-196.
    [19]蔡忠贤,陈发景,贾振远.准噶尔盆地的类型和构造演化[J].地学前缘,2000,7(4):431-440.
    [20]汪新伟,汪新文,马永生.新疆博格达山的构造演化及其与油气的关系[J].现代地质,2007,21(1):116-124.
    [21]陈发景,汪新文.中国中、新生代含油气盆地成因类型、构造体系及地球动力学模式[J].现代地质,1997,11(4):409-424.
    [22]方世虎,贾承造,郭召杰,等.准噶尔盆地二叠纪盆地属性的再认识及其构造意义[J].地学前缘,2006,13(3):108-121.
    [23]舒良树,朱文斌,王博,等.新疆博格达南缘后碰撞期陆内裂谷和水下滑塌构造[J].岩石学报,2005,21(1):25-36.
    [24]郭威,周鼎武,欧阳征建,等.博格达二叠纪区域伸展背景下的滑塌堆积特征[J].西北大学学报:自然科学版,2011,41(4):659-662.
    [25]陈书平,张一伟,汤良杰.准噶尔晚石炭世-二叠纪前陆盆地的演化[J].石油大学学报:自然科学版,2001,25(5):11-15.
    [26]刘和甫,梁慧社,蔡立国,等.天山两侧前陆冲断系构造样式与前陆盆地演化[J].地球科学,1994,19(6):727-741.
    [27]刘和甫,汪泽成,熊保贤,等.中国西部中、新生代前陆盆地与挤压造山带耦合分析[J].地学前缘,2000,7(3):55-72.
    [28]兰晓雯,田家勇,谢周敏,等.发震断层对微、宏观震中偏离的影响分析:以新疆地区为例[J].现代地质,2011,25(1):114-121.
    [29]陈新,卢华复,舒良树,等.准噶尔盆地构造演化分析新进展[J].高校地质学报,2002,8(3):257-266.
    [30]贾承造,魏国齐,李本亮,等.中国中西部两期前陆盆地的形成及其控气作用[J].石油学报,2003,24(2):13-17.
    [31]何登发,陈新发,张义杰,等.准噶尔盆地油气富集规律[J].石油学报,2004,25(3):1-10.
    [32]张传恒,刘典波,张传林,等.新疆博格达山初始隆升时间的地层学标定[J].地学前缘,2005,12(1):294-302.
    [33]董臣强,孙自明.准噶尔盆地南缘前陆褶皱冲断带构造滑脱层厘定[J].石油实验地质,2007,29(2):138-142.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心