准噶尔盆地车-莫古隆起的构造演化特征及其成因模拟
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摘要
根据钻井层位标定、区域地震剖面解释追踪,侏罗系各组原始沉积厚图的变化特征,详细地圈定了车-莫古隆起不同时期的分布范围。结合构造演化史剖面、侏罗系各组残存地层展布特征、层系超覆、尖灭现象综合分析,将车-莫古隆起的演化划分为初始发育(J1s)、逐渐隆升(J2x)、强烈隆升(J2t)、剥蚀改造(J3)、隐伏埋藏(K-E)、调整定位(N-Q)6个阶段。卷入古隆起的断裂、褶皱组合关系表明车-莫古隆起的形成机制与其南、北缘两大右旋压扭性走滑断裂带成生演化相关。沙箱模拟实验证明车-莫古隆起是在NW300°斜向挤压应力作用下形成的。
The distribution of Che-Mo palaeo-uplift was delineated in detail according to the interpretation of regional seismic reflection profiles and well data.The tectonic evolution of Che-Mo palaeo-uplift can be divided into six stages,namely,initial development stage(J1s),gradual uplift stage(J2x),intense uplift stage(J2t),denudation and alteration stage(J3),embedding stage(K-E),and adjustment and orientation stage(N-Q).Based on tectonic evolution sections and facial belt distribution of Jurassic groups and truncations,the authors studied the relationship between faults and folds involved in the uplifting,which indicates that the mechanism of Che-Mo palaeo-uplift was related to the two dextral compression-shear fault-fold belts on the northern Tianshan range-front and Lunan uplift belt.
The distribution of Che-Mo palaeo-uplift was delineated in detail according to the interpretation of regional seismic reflection profiles and well data.The tectonic evolution of Che-Mo palaeo-uplift can be divided into six stages,namely,initial development stage(J1s),gradual uplift stage(J2x),intense uplift stage(J2t),denudation and alteration stage(J3),embedding stage(K-E),and adjustment and orientation stage(N-Q).Based on tectonic evolution sections and facial belt distribution of Jurassic groups and truncations,the authors studied the relationship between faults and folds involved in the uplifting,which indicates that the mechanism of Che-Mo palaeo-uplift was related to the two dextral compression-shear fault-fold belts on the northern Tianshan range-front and Lunan uplift belt.
引文
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TONG Dianjun,RENJianye,REN Yaping.2006.Evolution of the Che-Mo palaeo-uplift in Junggar Basin and control on the oil and gasreservoir.Petroleum Geology and Recovery Efficiency,13(3):39～42(in Chinese with English abstract).
WANG Weili,WANG Yi,LI Yahui,et al.2003.Structural belts anddeformation features of the Junggar Basin.Seismology and Geolo-gy,24(2):124～126(in Chinese with English abstract).
ZHU Yunhui,MENG Xianlong.2005.Formation and evolution of theChemo ancient uplift anditsinfluence on reservoir formationin thecentral area,the Junggar Basin.West China Petroleum Geo-sciences,1(1):55～57(in Chinese with English abstract).
何登发,翟光明,况军,等.2005.准噶尔盆地古隆起的分布与基本特征.地质科学,40(2):248～261.
韩立国,张枝焕,李伟.2006.准噶尔盆地中部Ⅰ区块现今油气运移方向研究.地球学报,27(4):335～340.
任纪舜,王作勋,陈炳蔚,等.2000.从全球看中国大地—构造中国及邻区大地构造图简要说明.北京:地质出版社,26～34.
佟殿君,任建业,任亚平.2006.准噶尔盆地车莫古隆起的演化及其油气成藏的控制.油气地质与采收率,13(3):39～42.
王伟锋,王毅,陆诗阔.1999.准噶尔盆地构造分区和变形样式.地震地质,21(4):324～333.
朱允辉,孟闲龙.2005.准噶尔盆地车莫古隆起的形成演化及其对腹部油气成藏的影响.中国西部油气地质,1(1):55～57.
CAI Zhongxian,CHEN Fajing,JIA Zhenyuan.2000.Types and tec-tonic evolution of Junggar Basin.Earth Science Frontiers7(4):431～440(in Chinese with English abstract).
HE Dengfa,ZHAI Mingguo,KUANG Jun,et al.2005.Distributionandtectonic features of paleo uplifts in the Junggar Basin.ChineseJournal of Geology,40(2):248～261(in Chinese with English ab-stract).
HAN Liguo,ZHANG Zhihuan,LI Wei.2006.An analysis of the pre-sent oil migration direction of blockI incentral Junggar Basin.ActaGeoscientica Sinica,27(4):335～340(in Chinese with Englishab-stract).
RENJishun,WANG Zuoxun,CHEN Bingwei,et al.2000.A Brief Introduction of the Latest Tectonic Map of China.Beijing:Geolog-ical publishing House,26～34(in Chinese).
TONG Dianjun,RENJianye,REN Yaping.2006.Evolution of the Che-Mo palaeo-uplift in Junggar Basin and control on the oil and gasreservoir.Petroleum Geology and Recovery Efficiency,13(3):39～42(in Chinese with English abstract).
WANG Weili,WANG Yi,LI Yahui,et al.2003.Structural belts anddeformation features of the Junggar Basin.Seismology and Geolo-gy,24(2):124～126(in Chinese with English abstract).
ZHU Yunhui,MENG Xianlong.2005.Formation and evolution of theChemo ancient uplift anditsinfluence on reservoir formationin thecentral area,the Junggar Basin.West China Petroleum Geo-sciences,1(1):55～57(in Chinese with English abstract).
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