| 安徽繁昌地区喜山期推覆构造 |
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| 引用本文： | 储东如,童劲松,耿小光. 安徽繁昌地区喜山期推覆构造[J]. 安徽地质, 2010, 20(4): 241-243,259. DOI: 10.3969/j.issn.1005-6157.2010.04.001 |
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| 作者姓名： | 储东如 童劲松 耿小光 |
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| 作者单位： | 安徽省地质调查院,安徽合肥,230001;安徽省地质调查院,安徽合肥,230001;安徽省地质调查院,安徽合肥,230001 |
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| 摘 要： | 繁昌地区推覆构造由前缘主底板逆掩断层、中部小淮山楔状褶皱冲断体及后缘小淮窑断裂组成,构成了该地区北东向构造格架。构成逆冲系统的多条逆掩断层所夹持的构造岩片由南东向北西呈后展式(上叠式)依次扩展。该逆冲推覆构造系统是喜山期构造反转的产物,并非印支—燕山期前陆带对冲构造系统的组成部分。
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| 关 键 词： | 推覆构造 喜山期 繁昌地区 |
HYMALAYAN NAPPE STRUCTURE IN FANCHANG AREA,ANHUI |
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| CHU Dong-ru,TONG Jing-song,GENG Xiao-guang. HYMALAYAN NAPPE STRUCTURE IN FANCHANG AREA,ANHUI[J]. Geology of Anhui, 2010, 20(4): 241-243,259. DOI: 10.3969/j.issn.1005-6157.2010.04.001 |
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| Authors: | CHU Dong-ru TONG Jing-song GENG Xiao-guang |
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| Affiliation: | CHU Dong-ru,TONG Jing-song,GENG Xiao-guang(Institute of Geological Survey of Anhui Province,Hefei,Anhui 230001,China) |
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| Abstract: | A nappe structure in the Fanchang area consists of frontal major foot wall overthrust,middle Xiaohuaishan folding thrust wedge and rear Xiaozhunyao Fault,forming a NE-trending structural framework.A number of thrusting faults that comprise a thrust system hold structural sheets that spread backward(overlappingly) from southeast to northwest.The thrusting nappe structure is resulted from the Hymalayan structural reversal,not a part of the Indosinian-Yanshanian foreland ramp structure. |
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| Keywords: | nappe Hymalayan period Fanchang |
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