| 湖南中部中泥盆世的轮藻化石及其生活环境探讨 |
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| 引用本文： | 曾德敏,胡济民.湖南中部中泥盆世的轮藻化石及其生活环境探讨[J].湖南地质,2001,20(2):89-91,97. |
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| 作者姓名： | 曾德敏 胡济民 |
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| 作者单位： | 中南石油局!湖南 长沙 410117，中南石油局!湖南 长沙 410117 |
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| 摘 要： | 湖南中部长沙、宁乡、益阳、安化、涟源、邵东等县，中泥盆统跳马涧组和棋子桥组产丰富的轮藻化石，以宁乡县崔坪峡塘剖面为代表，有3属7种1型1新种，并首次发现了轮藻植物节部化石，建立了2个化石带：（1）Trochiliscus ingricus-Eochara changshaensis组合带，分布在跳马涧组，时代为中泥盆世早期；（2）Sycidium顶峰带，分布在棋子桥组，时代为中泥盆世晚期，并对轮藻的生活环境进行了探讨。
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| 关 键 词： | 轮藻化石 生活环境 宁乡县 湖南 中泥盆世 |
DISCUSSION ABOUT THE CHAROPHYTE FOSSILS DURING MIDDLE DEVONIAN PERIOD AND ITS LIVING ENVIRONMENT |
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| Abstract: | The Tiaomajian and Qizhiqiao formation of middle Devonian system occur abundant charophyte fossils in the middle counties of Hunan , including Changsha. Ningxiang. Yiyang. Anhua. Lianyuan. Shaodong, etc. Cuipingxiatang section, in Ningxiang County, is the typical section, and its charophyte fossils are classified into 3 genus.7 species. 7types including a new type. The author build 2 belts fossils and discusses the living environment of charophytes: 1) Trochiliscus ingricus-Eochara changshaeesis belt; It distributes in Tiaomajian formation of middle Devonian period. 2) Sycidium summit belt; It distributes in Qizhiqiao formation of middle Devonian period. |
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| Keywords: | Charophyte Fossil zoning Living environment Ningxiang |
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