| 豫西济源晚三叠世河流沉积类型及生物痕迹组构特征 |
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| 引用本文： | 胡斌,黄长春,张宏敏,徐亚福.豫西济源晚三叠世河流沉积类型及生物痕迹组构特征[J].河南国土资源,2000(3). |
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| 作者姓名： | 胡斌 黄长春 张宏敏 徐亚福 |
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| 作者单位： | 焦作工学院!河南焦作454000(胡斌，徐亚福)，广东省工业贸易学校!广东佛山528237(黄长春)，河南省平煤集团公司一矿!河南平顶山467000(张宏敏) |
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| 摘 要： | 根据岩性、沉积构造和痕迹化石的组成和产状特征 ,该文简要论述了豫西济源中生代盆地晚三叠世河流环境中五种沉积类型和痕迹组构特征 ,划分了五大发展阶段 ,并由此说明了该河流沉积环境的演化历史 ,同时还指出了温暖潮湿和干旱这两种气候条件下河流沉积环境中痕迹化石在组成上的差异
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| 关 键 词： | 河流沉积 痕迹组构 痕迹化石 上三叠统 济源 |
THE TYPES OF FLUVIAL DEPOSITS AND ITS ICHNOFABRIC FEATURE FROM THE UPPER TRIASSIC EPOCH OF JIYUAN BASIN, WESTERN HENAN |
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| HU Bin ,HUANG Chang chun ,ZHANG Hongmin ,XU Ya fu.THE TYPES OF FLUVIAL DEPOSITS AND ITS ICHNOFABRIC FEATURE FROM THE UPPER TRIASSIC EPOCH OF JIYUAN BASIN, WESTERN HENAN[J].Henan Land & Resources,2000(3). |
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| Authors: | HU Bin HUANG Chang chun ZHANG Hongmin XU Ya fu |
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| Institution: | HU Bin 1,HUANG Chang chun 2,ZHANG Hongmin 3,XU Ya fu 1 |
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| Abstract: | According to the character of lithology and sedimentary structure as well as composition and occurrence of trace fossils, this paper briefly discusses five deposit types of fluvial environment and ichnofabric feature from the Upper Triassic Epoch of Jiyuan Mesozoic basin, western Henan, China, and divides this sequences into five large development stages, and hence explains the evolution history of the fluvial sedimentary environment. In ichnologic respect, this paper also point out the different composition of trace fossils in fluvial sedimentary environment between the worm wet and arid weather condition. |
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| Keywords: | fluvial deposit ichnofabric trace fossils Upper Triassic Jiyuan |
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