| 浙江杭州地区中下奥陶统岩石地层研究 |
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| 引用本文： | 罗以达,俞国华 张,岩 梁,河 陈小友 吴,鸣.浙江杭州地区中下奥陶统岩石地层研究[J].中国地质,2008,35(4):648-655. |
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| 作者姓名： | 罗以达 俞国华 张 岩 梁 河 陈小友 吴 鸣 |
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| 作者单位： | 浙江省地质调查院,浙江,杭州,311203 |
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| 摘 要： | 笔者以城市基岩地质填图和剖面研究资料为基础,选择临安市板桥乡南山上中下奥陶统剖面为候选层型,根据剖面的地层层序、岩性组合、分界标志,结合区域变质的总体特征,重新厘定、划分了4个组级岩石地层单位,并依据荆山岭与板桥剖面的地层、生物化石对比,确定其地层时代为早中奥陶世。这对重建杭州地区层型剖面与地质遗迹保护、岩石地层填图、奥陶纪石灰岩矿产资源的开发利用都具有重要意义。
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| 关 键 词： | 岩石地层 中下奥陶统碳酸盐岩 杭州 |
Middle-Lower Ordovician lithostratigraphy in the Hangzhou area, Zhejiang |
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| LUO Yi-d,YU Guo-hu,ZHANG Yan,LIANG He,CHEN Xiao-you,WU Ming.Middle-Lower Ordovician lithostratigraphy in the Hangzhou area, Zhejiang[J].Chinese Geology,2008,35(4):648-655. |
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| Authors: | LUO Yi-d YU Guo-hu ZHANG Yan LIANG He CHEN Xiao-you WU Ming |
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| Institution: | Zhejiang Institute of Geological Survey;Hangzhou 311203;Zhejiang;China |
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| Abstract: | Based on the urban bedrock geological mapping and research on the section, the Middle-Lower Ordovician Nanshanshang section in Banqiao Township, Lin'an City, was chosen as the candidate stratotype. According to the stratigraphic sequence, lithologic association and boundary markers, combined with the general characteristics of regional changes, four formation-rank lithostratigraphic units were redefined and distinguished. The stratigraphic age of the section was determined to be Early-Middle Ordovician acco... |
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| Keywords: | lithostratigraphy Middle-Lower Ordovician carbonate rocks Hangzhou |
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