| 冀东迁安铁矿区早前寒武纪硅铁岩矿层褶皱变形序列 |
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| 引用本文： | 顾德林,李志忠.冀东迁安铁矿区早前寒武纪硅铁岩矿层褶皱变形序列[J].现代地质,1990,4(3):60-69. |
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| 作者姓名： | 顾德林 李志忠 |
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| 作者单位： | 中国地质大学 北京
(顾德林，李志忠)，中国地质大学 武汉
(李龙，印纯清)，中国地质大学 武汉(陈文仁) |
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| 摘 要： | 文中根据硅铁矿层的褶皱形态、复合关系等确定迁安铁矿区在中元古代之前发生过6期褶皱变形,叙述了这6期褶皱的特征和分布,讨论了褶皱的成因。区内各期褶皱形态演化规律反映了变形过程中岩石塑性有规律递减的特点。这一演化规律对研究早前寒武纪地区褶皱变形和指导该区找矿工作有重要意义。
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| 关 键 词： | 早前寒武纪 铁矿层 褶皱变形 变形面 复合 |
FOLD DEFORMATION SEQUENCE OF EARLY PRECAMBRIAN FERROSILICIUM LAYER OF QIANAN IRON ORE AREA IN EASTERN HEBEI |
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| Gu Delin Li Zhizhong Li long Yin Chunqing Chen Wenren.FOLD DEFORMATION SEQUENCE OF EARLY PRECAMBRIAN FERROSILICIUM LAYER OF QIANAN IRON ORE AREA IN EASTERN HEBEI[J].Geoscience——Journal of Graduate School,China University of Geosciences,1990,4(3):60-69. |
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| Authors: | Gu Delin Li Zhizhong Li long Yin Chunqing Chen Wenren |
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| Institution: | Gu Delin Li Zhizhong Li long Yin Chunqing Chen Wenren
(China University of Geosciences. Beijing) (China University of Geosciences. Wuhan) |
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| Abstract: |
According to the fold forms and their compounding relations of the ferrosilicium layer
in Qianan iron ore area, six phases of folding had taken place before middle Proterozoic
Era. The characteristic and distribution of the six phase folds in Qianan area are described,
and the genesis of fold has been discussed. The evolutional regularity of the fold forms of
each phase shows that the plasticity of the rocks decreased regularly in the deformation pro-
cess. This has an important significance for the study on fold deformation and for the
prospection of ore deposit in early Precanbrian rocks. |
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| Keywords: | : Precambrian iron ore layer folds deformation deformationplane compounding |
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