沉积期构造转换带类型、空间展布及其控制因素
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摘要
为研究查干凹陷巴音戈壁组二段沉积期及苏红图组一段沉积期构造转换带类型及空间展布规律,并进一步明确其控制因素,在断裂体系解析基础上,采用同沉积断层生长指数的分析方法,进行古断裂体系恢复,参考构造转换带动态演化的综合分类模式,将构造转换带分为9种类型,每种类型按发育程度细分为初期、中期、后期3个时期。构造转换带类型多为平行亚类同向型中期、平行亚类同向型后期、平行亚类聚敛型中期等,主要分布于巴润断裂带。动力学机制显示,查干凹陷伸展作用由英格特-巴格毛德变质核杂岩活动导致的拆离滑脱引起,而走滑环境与阿尔金走滑断裂及其分支——巴丹吉林断裂的活动有关。沿巴润断裂带依次发育平行亚类同向型和平行亚类聚敛型构造转换带,主要与英格特-巴格毛德变质核杂岩拆离滑脱依次形成的同向、反向侧列断层有关;而同向、反向断层之间发育各型中期转换带,与阿尔金断裂及巴丹吉林的走滑活动有密切关系。
In order to find out the types, spatial distribution and determine the control factors of the structural transfer zone during the deposition of Bayingebi Formation Member 2 and Suhongtu Formation Member 1, Chagan Sag, the growth index of the synsedimentary fault was analyzed on the basis of ancient fault systems analyses in order to restore the ancient fault systems systematically. According to the comprehensive classification of dynamic development of structural transfer zones, the transfer zone is classified into 9 types, with 3 stages(early stage, mid-stage and late stage) in each type. The main types of the structural transfer zone are the mid-stage of the same-direction type in the parallel subtype, the late stage of the same-direction type in the parallel subtype, and the mid-stage of the convergent type in the parallel subtype, which are distributed mainly in the Barun Fault Zone. The mechanism study reveals that the extension of the Chagan Sag is caused by the activities of the Inglot-Bagemaode metamorphic core complex. And the detachment is related to the activities of the Arkin Fault and its branch Badanjilin Fault. Along the Barun Fault Zone, there respectively developed the same-direction type in the parallel subtype and the opposite-direction type in the parallel subtype, which have a close relationship with the same-direction faults and opposite-direction faults caused by the detachment of the Inglot-Bagemaode metamorphic core complex. The mid-stage transfer zone of the same-direction faults and the opposite-direction faults is related to the activities of the Arkin Fault and the Badanjilin Fault.
In order to find out the types, spatial distribution and determine the control factors of the structural transfer zone during the deposition of Bayingebi Formation Member 2 and Suhongtu Formation Member 1, Chagan Sag, the growth index of the synsedimentary fault was analyzed on the basis of ancient fault systems analyses in order to restore the ancient fault systems systematically. According to the comprehensive classification of dynamic development of structural transfer zones, the transfer zone is classified into 9 types, with 3 stages(early stage, mid-stage and late stage) in each type. The main types of the structural transfer zone are the mid-stage of the same-direction type in the parallel subtype, the late stage of the same-direction type in the parallel subtype, and the mid-stage of the convergent type in the parallel subtype, which are distributed mainly in the Barun Fault Zone. The mechanism study reveals that the extension of the Chagan Sag is caused by the activities of the Inglot-Bagemaode metamorphic core complex. And the detachment is related to the activities of the Arkin Fault and its branch Badanjilin Fault. Along the Barun Fault Zone, there respectively developed the same-direction type in the parallel subtype and the opposite-direction type in the parallel subtype, which have a close relationship with the same-direction faults and opposite-direction faults caused by the detachment of the Inglot-Bagemaode metamorphic core complex. The mid-stage transfer zone of the same-direction faults and the opposite-direction faults is related to the activities of the Arkin Fault and the Badanjilin Fault.
引文
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[23]魏巍,朱筱敏,谈明轩,等.查干凹陷下白垩统扇三角洲相储层特征及物性影响因素[J].石油与天然气地质,2015,36(3):447-455.
[24]邓已寻,左银辉,郝情情,等.查干凹陷现今地温场研究及其油气地质意义[J].断块油气田,2012,19(3):284-288.
[25]刘军.查干凹陷苏红图组二段油气成藏机理研究[D].成都:成都理工大学,2013.
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[29]王海学,吕延防,付晓飞,等.裂陷盆地转换带形成演化及其控藏机理[J].地质科技情报,2013,32(4):102-110.
[30]吴康军,龚福华,易雪斐.转换带的分类浅述[J].长江大学学报(自然科学版),2011,8(12):67-70.
[31]张爱平.内蒙古银额盆地查干凹陷构造特征及其与油气关系[D].北京:中国地质大学,2002.
[32]朱志澄,曾佐勋,樊光明.构造地质学[M].2版.武汉:中国地质大学出版社,2008:166-167.
[33]张建新,杨经绥,许志琴,等.阿尔金榴辉岩中超高压变质作用证据[J].科学通报,2002,47(3):231-234.
[34]郭彦如,陈文,穆剑,等.阿尔金断裂系及其邻区中—新生代构造演化[J].地质论评,2002,48(增刊1):169-175.
[2]MORLEY C K,NELSON R A,PATTON T L,et al.Transfer zones in East African rift system and their relevance to hydrocarbon exploration in rifts[J].AAPG Bull.,1990,74(8):1234-1253.
[3]PEACOCK D C P,SANDERSON D J.Strike-slip rely ramps[J].Journal of Structural Geology,1995,17(10):1351-1360.
[4]BOSWORTH W.Geometry of propagating continental rifts[J].Nature,1985,315(16):625-627.
[5]FAULDS J E,VARGA R J.The role of accommondation zone and transfer zone in the regional segmentation of extended terranes[J].Geology Society of America Special Paper,1998,323:1-45.
[6]WALSH J J,WATTERSON J.Geometric and kinematic coherence and scale effects in normal fault system[M]//ROBERTSA M,YELDING G,FREEMAN B.The geometry of normal faults.London:Geological Society Special Publication,1991:193-206.
[7]陈发景,贾庆素,张洪年.传递带及其在砂体发育中的作用[J].石油与天然气地质,2004,25(2):144-148.
[8]库国政,张放东,邓已寻.白音查干凹陷变换构造与油气关系[J].石油与天然气地质,2005,26(2):257-262.
[9]陈发景,汪新文,陈昭年.伸展断陷中的变换构造分析[J].现代地质,2011,25(4):617-625.
[10]胡望水,王燮培.松辽盆地北部变换构造及其石油地质意义[J].石油与天然气地质,1994,15(2):164-172.
[11]徐会永,蒋有录,张立强,等.查干凹陷构造样式及其构造演化[J].油气地质与采收率,2008,15(4):13-15.
[12]史大海,陈清棠,邱微,等.查干凹陷乌力吉构造带浅层成藏主控因素[J].断块油气田,2013,20(3):321-323,328.
[13]王生朗,马维民,竺知新,等.银根-额济纳旗盆地查干凹陷构造-沉积格架与油气勘探方向[J].石油实验地质,2002,24(4):296-300.
[14]李聪,王德仁,蒋飞虎,等.查干凹陷巴音戈壁组沉积演化及有利砂体分布预测[J].中国地质,2013,40(4):1169-1179.
[15]范迎风.查干凹陷沉积与储层特征研究[D].北京:中国地质大学,2006.
[16]陈清棠.内蒙古银-额盆地查干凹陷储层特征与有利区带评价[D].北京:中国地质大学,2008.
[17]杨国臣,焦大庆,肖斌,等.查干凹陷下白垩统层序构型与沉积充填特征[J].新疆地质,2013,31(3):223-230.
[18]王国力,吴茂炳.查干凹陷下白垩统含油气系统特征及勘探方向[J].石油与天然气地质,2005,26(3):366-369.
[19]郭彦如,于均民,樊太亮.查干凹陷下白垩统层序地层格架与演化[J].石油与天然气地质,2002,23(2):166-169.
[20]卫平生,张虎权,陈启林.银根-额济纳旗盆地油气地质特征及勘探前景[M].北京:石油工业出版社,2006:50-51.
[21]左银辉,马维民,邓已寻,等.查干凹陷中、新生代热史及烃源岩热演化[J].地球科学(中国地质大学学报),2013,38(3):553-560.
[22]徐会永.查干凹陷下白垩统层序地层及油气成藏特征研究[D].青岛:中国石油大学(华东),2008.
[23]魏巍,朱筱敏,谈明轩,等.查干凹陷下白垩统扇三角洲相储层特征及物性影响因素[J].石油与天然气地质,2015,36(3):447-455.
[24]邓已寻,左银辉,郝情情,等.查干凹陷现今地温场研究及其油气地质意义[J].断块油气田,2012,19(3):284-288.
[25]刘军.查干凹陷苏红图组二段油气成藏机理研究[D].成都:成都理工大学,2013.
[26]SCOTT D L,ROSENDAL B R.North Viking garben:an East African prospective[J].AAPG Bull.,1989,73(2):155-165.
[27]GAWTHORPE R L,HURST J M.Transfer zones in extensional basins:their structual style and influence on drainage development and stratigraphy[J].Journal of the Geological Society,1993,150:1137-1152.
[28]漆家福.裂陷盆地中的构造变换带及其石油地质意义[J].海相油气地质,2007,12(4):43-50.
[29]王海学,吕延防,付晓飞,等.裂陷盆地转换带形成演化及其控藏机理[J].地质科技情报,2013,32(4):102-110.
[30]吴康军,龚福华,易雪斐.转换带的分类浅述[J].长江大学学报(自然科学版),2011,8(12):67-70.
[31]张爱平.内蒙古银额盆地查干凹陷构造特征及其与油气关系[D].北京:中国地质大学,2002.
[32]朱志澄,曾佐勋,樊光明.构造地质学[M].2版.武汉:中国地质大学出版社,2008:166-167.
[33]张建新,杨经绥,许志琴,等.阿尔金榴辉岩中超高压变质作用证据[J].科学通报,2002,47(3):231-234.
[34]郭彦如,陈文,穆剑,等.阿尔金断裂系及其邻区中—新生代构造演化[J].地质论评,2002,48(增刊1):169-175.
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