| 华北地块南缘向北的薄皮推覆构造及北秦岭加里东造山作用 |
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| 引用本文： | 马志和,李海平,计文化. 华北地块南缘向北的薄皮推覆构造及北秦岭加里东造山作用[J]. 陕西地质, 1996, 0(1) |
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| 作者姓名： | 马志和 李海平 计文化 |
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| 作者单位： | 陕西地质矿产勘查开发局区域地质矿产研究院!咸阳市滨河路7号，712000 |
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| 摘 要： | 通过对华北地块南缘向北的薄皮推覆构造及北秦岭构造带结构、构造特征分析，认为它们同属于加里东期造山作用产物。北秦岭属于加里东造山带根带（即核部），华北地块南缘小秦岭（及豫西）地区属于该期造山带的外带，渭北褶皱隆起区则属于其前锋冲断褶带。秦岭造山带现今几何模型是一个复合型不对称扇状大陆造山带。
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| 关 键 词： | 蛇绿混杂岩带 弧─陆碰撞 造山带根带 薄皮逆冲推覆 华北地块南缘 北秦岭 |
NORTHWARD THIN-SKINNED NAPPE STRUCTURE IN THE SOUTHERN MARGIN OF NORTH CHINA LANDMASS AND CALEDONIAN OROGENY IN NORTHERN QINLING |
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| Ma Zhihe, Li Haiping and Ji Wenhua. NORTHWARD THIN-SKINNED NAPPE STRUCTURE IN THE SOUTHERN MARGIN OF NORTH CHINA LANDMASS AND CALEDONIAN OROGENY IN NORTHERN QINLING[J]. Geology of Shaanxi, 1996, 0(1) |
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| Authors: | Ma Zhihe Li Haiping Ji Wenhua |
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| Abstract: | Analysis of the northward thin-skinned nappe structure in the southern margin of North China landmass and the textures of the structural belt in northern Qinling suggests that they all belong to the results from Caledonian orogeny. It is summarized that the northern Qinling is ascribed to the root zone of the Caledonian orogeny, the Lesser Qinling (including the west of Henan) region at the southern margin of the North China landmass to the outer zone of the orogenic belts in the stage and the folded uplift in the northern Weihe to the front thrust folded zones. The currently geometric model of the Qinling orogenic zone is of a composite asymmetric fan-shaped continental-orogenic belt. |
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| Keywords: | Ophiolite mixtite belt Arc-continental collision Root of orogenic beit Thin-skinned reverse thrust napping Southern margin of the North China Landmass Northern Qinling |
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