羌塘盆地那底岗日山前区的地球物理反演解释
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摘要
利用传统的地球物理处理方法和最新非地震技术GM-SYS重磁震二维模拟系统相结合,对那底岗日山前区的重、磁资料进行模拟处理,得到那底岗日山前区综合解释成果图及走廊剖面解释栅状图,并给出该区的断裂展布、构造格架、火山岩分布和盆地基底等地质界面,为推断解释研究区的沉积分层、断裂格架、火山岩分布和基底起伏提供定量和定性依据。
By using traditional geophysical method in combination with new non-seismic technique GM-SYS(two-dimensional gravity and magnetic modeling system),the authors processed the gravity and magnetic data of the Nadigangri Mountain proparea,and obtained integrated interpretation map and corridor section fence diagram,and confirmed distributions of faults,structural framework,and geological interfaces of volcanics and the basin basement,which can be used as the quantitative and qualitative bases for interpreting stratified sedimentation,fault framework,volcanic distribution and basement relief.
By using traditional geophysical method in combination with new non-seismic technique GM-SYS(two-dimensional gravity and magnetic modeling system),the authors processed the gravity and magnetic data of the Nadigangri Mountain proparea,and obtained integrated interpretation map and corridor section fence diagram,and confirmed distributions of faults,structural framework,and geological interfaces of volcanics and the basin basement,which can be used as the quantitative and qualitative bases for interpreting stratified sedimentation,fault framework,volcanic distribution and basement relief.
引文
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[2]刘家铎,周文,李勇,等.青藏地区油气资源潜力分析与评价[M].北京:地质出版社,2006:3-34.LIU Jia-duo,ZHOU Wen,LI Yong,et al.Analysis andappraisal of petroleum resource potential in Qinghai-Tibetarea[M].Beijing:Geological Publishing House,2006:3-34.
[3]曾庆全,杨高印,高彦书,等.1995年度青藏地区羌塘盆地西部重力勘探成果报告[R].大庆:大庆石油勘探管理局,1995:1-94.ZENG Qing-quan,YANG Gao-yin,GAO Yan-shu,etal.Gravity exploration result report in western QiangtangBasin,Qinghai-Tibet area in 1995[R].Daqing:Daqing Petroleum Exploration Administration,1995:1-94.
[4]李志明,杨高印,孙喜明,等.1996年度青藏地区羌塘盆地东部重力勘探成果报告[R].大庆:大庆石油勘探管理局,1996:1-35.LI Zhi-ming,YANG Gao-yin,SUN Xi-ming,et al.Gravity exploration result report in Qiangtang Basin,Qinghai-Tibet area in 1996[R].Daqing:Daqing Petro-leum Exploration Administration,1996:1-35.
[5]胡明考,江民忠.西藏羌塘盆地航磁测量工作报告[R].大庆:大庆石油勘探管理局,1995:1-103.HU Ming-kao,JIANG Min-zhong.Aeromagnetic surveyreport in Qiangtang Basin,Tibet[R].Daqing:DaqingPetroleum Exploration Administration,1995:1-103.
[6]Northwest Geophysical Associates,Inc.GM-SYS gravity/magnetic modeling software user’s guide[M].Corval-lis:NGA,2003:1-94.
[7]叶和飞,夏邦栋,刘池阳,等.青藏高原大地构造特征及盆地演化[M].北京:科学出版社,2001:33-50.YIE He-fei,XIA Bang-dong,LIU Chi-yang,et al.Tec-tonic characteristics and basin evolution in Qinghai-TibetPlateau[M].Beijing:Science Press,2001:33-50.
[8]沈启明,纪有亮,郭祖军.青藏高原中生界沉积相及油气储盖层特征[M].北京:科学出版社,2001:10-25.SHEN Qi-ming,JI You-liang,GUO Zu-jun.The mesozo-ic depositional facies and characteristics of reservoir andcap rocks of Qinghai-Tibet Plateau[M].Beijing:Sci-ence Press,2001:10-25.
[9]高瑞祺,赵政璋.中国油气新区勘探(第六卷)[M].北京:石油工业出版社,2001:11-23.GAO Rui-qi,ZHAO Zheng-zhang.The frontier petrole-um exploration in China(Vol.6)[M].Beijing:Petro-leum Industry Press,2001:11-23.
[10]王成善,伊海生,李勇,等.西藏羌塘盆地地质演化与油气远景评价[M].北京:地质出版社,2001:83-96.WANG Cheng-shan,YI Hai-sheng,LI Yong,et al.Thegeological evolution and prospective oil and gas assess-ment of Qiangtang Basin in northern Tibetan Plateau[M].Beijing:Geological Publishing House,2001:83-96.
[11]王喜臣,贾建秀,徐宝慈.羌塘盆地综合地球物理剖面的模拟解释[J].世界地质,2008,27(1):76-82.WANG Xi-chen,JIA Jian-xiu,XU Bao-ci.Integratedgeophysical profile interpretation on tectonics of Qiang-tang Basin[J].Global Geology,2008,27(1):76-82.
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