| 自贡大山铺恐龙动物群埋藏环境及集中埋藏原因分析 |
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| 引用本文： | 梁 斌,王全伟 阚泽忠.自贡大山铺恐龙动物群埋藏环境及集中埋藏原因分析[J].中国地质,2009,36(1):131-137. |
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| 作者姓名： | 梁 斌 王全伟 阚泽忠 |
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| 作者单位： | 1. 西南科技大学环境与资源学院,四川,绵阳,621000;四川省地质调查院,四川,成都,610081
2. 四川省地质调查院,四川,成都,610081 |
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| 基金项目： | 中国地质调查局资助项目 |
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| 摘 要： | 四川自贡大山铺以其集中埋藏数量众多的恐龙化石而闻名于世,恐龙化石集中埋藏的原因一直是人们关注的焦点问题之一.笔者在对自贡恐龙博物馆内及其附近地层剖面调查的基础上,根据对该处埋藏恐龙化石地层的岩相、沉积构造、砂体形态特征以及沉积背景的分析,认为恐龙化石的埋藏环境为湖泊三角洲,恐龙由于某种原因死亡后,经过河流搬运埋藏于湖泊三角洲前缘的河口砂坝之中,而非由于中毒异常死亡原地埋藏.
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| 关 键 词： | 恐龙 埋藏环境 侏罗系 自贡大山铺 |
An analysis of the taphonomic environment of dinosaur faunae in Dashanpu of Zigong City and the cause of their concentrative burial |
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| LIANG Bin,WANG Quan-wei,KAN Ze-zhong.An analysis of the taphonomic environment of dinosaur faunae in Dashanpu of Zigong City and the cause of their concentrative burial[J].Chinese Geology,2009,36(1):131-137. |
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| Authors: | LIANG Bin WANG Quan-wei KAN Ze-zhong |
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| Institution: | 1;2;1.Faculty of Resource and Environment;Southwest University of Science and Technology;Mianyang 621000;Sichuan;China;2.Geological Survey of Sichuan Province;Chengdu 610081;China |
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| Abstract: | Dashanpu of Zigong City in Sichuan Province is world-wide famous for its dinosaur fossils, particularly the concentrative burial of a large quantity of dinosaurs.The cause of their concentratrative burial remains a problem of much controversy.Based on an analysis of such characteristics of the strata in the Zigong Dinosaur Museum and its surrounding areas as the lithofacies,depositional environment,shape of sandstone,and deposition background,this paper deals with the taphonomic environment of dinosaur faun... |
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| Keywords: | dinosaur taphonomic environment Jurassic Dashapu in Zigong Sichuan Province |
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