| 道虎沟生物群(前热河生物群)的发现及其地质时代 |
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| 引用本文： | 张俊峰.道虎沟生物群(前热河生物群)的发现及其地质时代[J].地层学杂志,2002,26(3):173-177,215,T003. |
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| 作者姓名： | 张俊峰 |
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| 作者单位： | 中国科学院南京地质古生物研究所,江苏南京,210008 |
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| 基金项目： | 国家科技部 973项目 (批准号∶G2 0 0 0 0 7770 0 )，中国科学院知识创新项目 (批准号∶ KZCX2 -114 )，中国科学院南京地质古生物研究所创新基金 (批准号∶ 0 0 0 3 0 6)资助项目 |
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| 摘 要： | 根据最新发现的动、植物化石 ,确立了“道虎沟生物群”,这一新的生物群属前热河生物群 ,生存时代大体相当于晚侏罗世的牛津期 (Oxfordian)至基末利期 (Kim meridgian)。这一发现大大补充了我国这一地质时期贫乏的化石记录 ,为探讨热河生物群的起源提供了较丰富的第一手材料。
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| 关 键 词： | 热河生物群 道虎沟生物群 地质时代 侏罗纪 内蒙古 |
| 文章编号： | 0253-4959(2002)03-0173-05 |
DISCOVERY OF DAOHUGOU BIOTA (PRE-JEHOL BIOTA) WITH A DISCUSSION ON ITS GEOLOGICAL AGE |
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| ZHANG Jun,feng.DISCOVERY OF DAOHUGOU BIOTA (PRE-JEHOL BIOTA) WITH A DISCUSSION ON ITS GEOLOGICAL AGE[J].Journal of Stratigraphy,2002,26(3):173-177,215,T003. |
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| Authors: | ZHANG Jun feng |
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| Abstract: | On the basis of new biostratigraphic materials recently discovered at the Village Daohugou in the Ningcheng Area, Chifeng City, Neimonggol Region, China, a new stratigraphic unit, the “Daohugou Formation” is founded. It comprises rich animal and plant fossils belonging to the pre Jehol Biota, which lived approximately during Oxfordian Kimmeridgian. It fills up the gap that there were poor fossil records during this geological age in China, and thus provides us with the luxuriant information on stratigraphy and paleontology so as to discuss the problem of how the Jehol Biota arose. |
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| Keywords: | Jehol Biota Daohugou Biota geological age Jurassic Neimonggol |
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