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| 华北东部盆山耦合与内生成矿作用 | |
| 引用本文： | 牛树银,邵济安,孙爱群,侯泉林,王宝德,胡华斌.华北东部盆山耦合与内生成矿作用[J].大地构造与成矿学,2006,30(3):331-342. |
| 作者姓名： | 牛树银 邵济安 孙爱群 侯泉林 王宝德 胡华斌 |
| 作者单位： | 1. 石家庄经济学院地质调查研究院,河北,石家庄,050031 2. 北京大学地球与空间科学学院,北京,100871 3. 中国科学院研究生院,北京,100039 |
| 基金项目： | 国家自然科学基金(40272088、40372103)，中国科学院知识创新项目(KZCX107)，中国地质调查局(200110200038)项目资助. |
| 摘 要： | 盆-山耦合关系是当今地学研究的前沿课题。但是,在几何学上,成对盆山耦合论述较多。而华北东部裂陷盆地则西与太行造山带、北与燕山造山带、东与胶辽山地、南与大别造山带均构成盆-山耦合,即中心裂陷盆地与外围各造山带均为耦合关系。研究表明:中心裂陷与华北地幔亚热柱的形成密切相关,由于地幔亚热柱强烈上隆,在岩石圈底部受阻,使华北东部岩石圈发生热减薄-断陷的同时,向外拆离的地幔岩在盆地外围形成一系列次级隆起(太行、燕山、胶辽、大别造山带),即地幔热柱多级演化的第三级单元———幔枝构造。各幔枝构造(造山带)间具有明显的可比性,并共同与中心裂陷盆地构成盆-山耦合关系。与此同时,随地幔热柱-亚热柱-幔枝构造向上迁移的成矿元素,亦以气态-气液混合态-含矿流体的形式向上迁移,并最终在幔枝构造的有利聚集部位成矿,形成张宣、冀东、辽东、胶东、鲁西、小秦岭、阜平等幔枝构造成矿集中区。 |
| 关 键 词： | 盆-山耦合 地幔热柱 幔枝构造 裂陷盆地 造山带 成矿作用 华北地区 |
| 文章编号： | 1001-1552(2006)03-0331-12 |
| 收稿时间： | 2005-07-04 |
| 修稿时间： | 2005-09-28 |
COUPLING RELATIONSHIP BETWEEN BASIN-MOUNTAIN AND NEDOGENIC MINERALIZATION IN THE EASTERN PART OF NORTH CHINA |
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| NIU Shuyin,SHAO Ji'an,SUN Aiqun,HOU Quanlin,WANG Baode,HU Huabin.COUPLING RELATIONSHIP BETWEEN BASIN-MOUNTAIN AND NEDOGENIC MINERALIZATION IN THE EASTERN PART OF NORTH CHINA[J].Geotectonica et Metallogenia,2006,30(3):331-342. | |
| Authors: | NIU Shuyin SHAO Ji'an SUN Aiqun HOU Quanlin WANG Baode HU Huabin |
| Institution: | 1. Institute of Geological Survey, Shijiazhuang Economic University, Shijiazhuang, Hebei 050031, China; 2. School of Earth and Space Sciences, Peking University, Beijing 100871, China; 3. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100101, China |
| Abstract: | The coupling relationship between basin and mountains is a frontier hot topic for geoscience today, and it is generally considered that fracture systems serves as the coupling links among tectonic groups, such as between extensional orogenic belts and rifting basins, between compressional orogenic belts and foreland basins, as well as between orogenic belts and strike-slip basins. The rifting basins in the east of North China are coupled with Taihang orogen in the west, with Yanshan orogen in the north, with Jiaoliao Mountains in the east and with Dabie orogen in the south, which means that the coupling relationships exist between the rifting basin in the center and each orogen in the peripheral regions. Our research indicates that the central rifting is closely related to formation of the mantle sub-plume in North China, this is because the intense underplating of mantle sub-plume was resisted at the bed of the lithosphere, which results in thermal thinning-rifting of the lithosphere in the east of North China, and meanwhile, formation of a series of secondary upheavals (Taihang, Yanshan, Jiaoliao, Dabie orogens), i.e., third grade units - mantle branch structures, in the peripheral regions of the basin by the pyrolite that was detached toward the outside. Here the mantle branch structures (orogens) can be compared with one another and are coupled jointly with the central rifting basin. At the same time, the ore-forming elements in the mantle plume-sub-plume-mantle branch structures migrate upward in forms of gas, gas-liquid, or ore-bearing fluid, etc., which finally leads to formation of ores in favorable positions of mantle branch structures, such as ore-concentrated districts at Zhangxuan, Jidong, Liaodong, Jiaodong, Luxi, Xiaoqinling and Fuping. |
| Keywords: | coupling relationship between basin and mountains mantle plume mantle branch rifting basin orogenic belt mineralization North China |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |