塔里木盆地西南坳陷苏2构造建模
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
由于受资料的限制,塔里木盆地西南坳陷苏2构造的构造模型具有多解性,直接影响苏2构造的油气勘探。结合前人研究成果和地质露头、地震、钻井资料,建立起该区带的构造模型,获得以下认识:山前断层为基底卷入断层,断层产状由山前向盆地、由深部向浅部逐渐变缓,泥盆系等较老地层逆冲于苏2背斜之上;苏2构造不但有可能存在下白垩统,而且还可能有侏罗系。
Because of the limitation of information,the Su-2 structural model for southwest depression in Tarim basin is of multiple solutions,which directly affects the exploration potentials of Su-2 structure.Combining with previous research results and geological outcrop,seismic and drilling data,the model for this area is developed,from which the following understandings are obtained: piedmont fault belongs to basement-involved fault,the fault occurrence appears transition from piedmont to basin and from deep to shallow,gradually,the older strata like Devonian system are overlying on Su-2 anticline;the Lower Cretaceous is likely to exist in Su-2 structure,also there possibly exists the Jurassic.
引文
[1]陈杰,尹金辉,曲国胜,等.塔里木盆地西缘西域组的底界、时代、成因与变形过程的初步研究[J].地震地质,2000,22(增刊):104-116.
    [2]陈杰,卢演俦,丁国瑜.塔里木盆地西缘晚新生代造山过程的记录——磨拉石建造及生长地层和生长不整合[J].第四纪研究,2001,21(6):528-539.
    [3]卢华复,贾承造,贾东,等.库车再生前陆盆地冲断构造楔特征[J].高校地质学报,2001,7(3):257-271.
    [4]何登发,Suppe J,贾承造.断层相关褶皱理论与应用研究新进展[J].地学前缘,2005,12(4):353-364.
    [5]曲国胜,李亦纲,李岩峰,等.塔里木盆地西南前陆构造分段及其成因[J].中国科学D辑:地球科学,2005,35(3):193-202.
    [6]王步清,王清华,韩利军,等.塔里木盆地东南部车尔臣断裂的分段特征及动力学机制[J].石油与天然气地质,2007,28(6):755-761.
    [7]金文正,汤良杰,杨克明,等.龙门山冲断带构造特征研究主要进展及存在问题探讨[J].地质论评,2008,54(1):37-46.
    [8]贾承造.塔里木盆地中新生代构造特征与油气[M].北京:石油工业出版社,2004.

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