| 宁夏及邻区石炭纪植物群 |
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| 引用本文： | 陈芬,周洪瑞.宁夏及邻区石炭纪植物群[J].现代地质,1995,9(1):1-10,T003. |
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| 作者姓名： | 陈芬 周洪瑞 |
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| 作者单位： | China University of Geosciences . Beijing，100083 |
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| 摘 要： | 本文对宁夏及邻区石炭纪植物化石进行了系统研究，共鉴定植物化石２４属６２种，讨论了植物群的特征，划分了４个植物组合，即（１）Ｃａｒｄｉｏｐｔｅｒｉｄｉｕｍｓｐｅｔｓｂｅｒｇｅｎｓｅ－Ａｒｃｈａｅｏｃａｌａｍｉｔｅｓｓｃｒｏｂｉｃｕｌａｔｕｓ组合；（２）Ｍｅｓｏｃａｌｕｍｉｔｅｓｃｉｓｔｉｆｏｒｍｉｓ－Ｐｅｃｏｐｔｅｒｉｓａｓｐｅｒａ组合；（３）Ｃｏｎｃｈｏｐｈｙｌｌｕｍｒｉｃｈｔｈｏｆｅｎｉｉ－Ｐａｒｉｐｔｅｒｉｓｋａｉｐｉｎｇｉａｎａ组台；（４）Ｌｅｐｉｄｏｄｅｎｄｒｏｎｐｏｓｔｈｕｍｉｉ－Ｎｅｕｒｏｐｔｅｒｉｓｏｖａｔａ组合．这４个植物组合的地质时代大致与西欧的杜内期－维宪期、纳缪尔期、维斯发期和斯蒂芬期相当，其代表岩组分别为前黑山组－臭牛沟组、靖远组、羊虎沟组和太原组．
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| 关 键 词： | 宁夏及邻区 石炭纪 植物群 植物组合 |
CARBONIFEROUS FLORA IN NINGXIA AND ADJACENT REGIONS |
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| Chen Fen, Zhou Hongrui, Sun Keqin, Jia Jinhua, Zhang Jianping, Wu Zhiguo.CARBONIFEROUS FLORA IN NINGXIA AND ADJACENT REGIONS[J].Geoscience——Journal of Graduate School,China University of Geosciences,1995,9(1):1-10,T003. |
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| Authors: | Chen Fen Zhou Hongrui Sun Keqin Jia Jinhua Zhang Jianping Wu Zhiguo |
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| Abstract: | The fossil plants studied in this paper were collected from the Carboniferous strata of Ningxia and adjacent regions. The flora is composed of 62 species in 24 genera, including.Lycopsida, Sphenopsida, Noeggerathiales, Filices, Pteridospermopsida, Cordaitopsida and Semina Gymnospermarum. According to the vertical distribution of the fossil plants, the flora may be divided into four plant assemblages in ascending order as follows: 1. CardiOPteridium spetsbergense-Archaeocalamites scrobiculatus assemblage; 2. Mesocalamites cistiformis-Pecopteris aspera assemblagel 3. Conchophyllum richthofenii-Paripteris kaipingiana assemblage ; 4. Lepidodendron posthumii-NeurOPteris ovata assemblage. The geological ages of the four plant assemblages may approximatively correspond to the Tournaisian to Visean, Namurian, Westphalian and Stephanian of West Europe. Their typical formations are the Qianheishan Formation, the Chouniugou Formation, the Jingyuan Formation, the Yanghugou Formation and the Taiyuan Formation respectively. |
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| Keywords: | Ningxia and adjacent regions Carboniferous flora plant assemblage |
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