| 大兴安岭西北部中新生代盆地群基底电性分带特征研究 |
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| 引用本文： | 刘财,杨宝俊,王兆国,刘洋,王典,冯晅,鹿琪,王世煜.大兴安岭西北部中新生代盆地群基底电性分带特征研究[J].地球物理学报,2011,54(2):415-421. |
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| 作者姓名： | 刘财 杨宝俊 王兆国 刘洋 王典 冯晅 鹿琪 王世煜 |
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| 作者单位： | 吉林大学地球探测科学与技术学院,长春 130026 |
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| 基金项目： | 国家973计划课题,国家自然科学基金,博士点基金,国家科技支撑计划,公益性行业科研专项项目,油页岩勘探开发利用产学研用合作创新研究项目 |
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| 摘 要： | 位于大兴安岭西北部的中新生代盆地群(海拉尔、根河、漠河),其构造受到大兴安岭断裂、德尔布干断裂的控制,西北方向的蒙古-鄂霍茨克缝合带、南部西拉木伦河-延吉缝合带甚至更远的西太平洋板块运动、印度板块运动以及黑龙江中西部微板块间拼合等区域构造应力场叠加作用在该盆地群基底产生了复杂的深部构造特征.本文利用沿盆地群实施的4条(...
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| 关 键 词： | 大兴安岭西北部盆地群 区域构造应力场 大地电磁(MT)剖面 基底电性结构 低阻化作用 |
| 收稿时间： | 2010-07-01 |
A research on the geoelectrical banding characteristics of the bottom of the Mesozoic-Cenozoic basin groups in the Northwest of the Da Hinggan Ling fault |
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| LIU Cai,YANG Bao-Jun,WANG Zhao-Guo,LIU Yang,WANG Dian,FENG Xuan,LU Qi,WANG Shi-Yu.A research on the geoelectrical banding characteristics of the bottom of the Mesozoic-Cenozoic basin groups in the Northwest of the Da Hinggan Ling fault[J].Chinese Journal of Geophysics,2011,54(2):415-421. |
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| Authors: | LIU Cai YANG Bao-Jun WANG Zhao-Guo LIU Yang WANG Dian FENG Xuan LU Qi WANG Shi-Yu |
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| Institution: | Geo-Exploration Science and Technology Institute, Jilin University, Changchun 130026, China |
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| Abstract: | The structures of the Mesozoic-Cenozoic basin groups (Hailar basin, Genhe basin, Mohe basin) lying in the Northwest of the Da Hinggan Ling fault are controlled by the Da Hinggan Ling fault and the Derbugan fault, and the regional tectonic stress field of the Mongol-Okhotsk suture zone in the Northwest of the basin groups, the Xilamulunhe-Yanji suture zone in their southern part, even the movements of the western Pacific plate and the Indian plate far away from the basins and the micro-plates collage zones in the middle and west of Heilongjiang province make a superimposed effect to the bottom of the basin groups, both of which produce the complex deep structure features. Using the geoelectrical structure of the four MT sections (about 1000 km, 94 survey points) carried out along the basin groups in this paper, the banding characteristic of geoelectrical structure of the bottom of the basin groups from Northwest to Southeast is obtained. "The effect of the low electrical resistance" is introduced to describe the change of the physical feature of the basin bottom. The comprehensive analysis shows that the electrical structure of the bottom of the basin groups perhaps continue to evolve by the effect of the asthenosphere hot material. |
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| Keywords: | Basin groups in the northwest of the Da Hinggan Ling Regional tectonic stress field Magnetotelluric(MT) section Geoelectrical structure of the bottom Effect of low electrical resistance |
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