| 再论草滩沟群的层序划分及时代归属 |
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| 引用本文： | 孙民生,董恒笔.再论草滩沟群的层序划分及时代归属[J].陕西地质,1995(2). |
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| 作者姓名： | 孙民生 董恒笔 |
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| 作者单位： | 陕西省地质矿产局区域地质调查队!咸阳市滨河路7号，71200 |
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| 摘 要： | 根据凤县地区草滩沟群的岩石组合特征、沉积示顶构造将其自下而上划分为红花铺组、张家庄组和龙王沟组．从所产生物化石组合面貌、沉积叠履关系分析，红花铺组时代为早奥陶世，张家庄组和龙王沟组应归入晚奥陶世．
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| 关 键 词： | 草滩沟群 层序 时代 |
RE-DISCUSSION OF THE STRATIGRAPHIC SEQUENCE OF THE CAOTANGOU GROUP AND ITS AGE |
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| SUN MINSHENG, DONG HENGBI.RE-DISCUSSION OF THE STRATIGRAPHIC SEQUENCE OF THE CAOTANGOU GROUP AND ITS AGE[J].Geology of Shaanxi,1995(2). |
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| Authors: | SUN MINSHENG DONG HENGBI |
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| Abstract: | According to characteristics of rock association, the Caotangou Group in the Fengxian area can be divided, from top to bottom. into the Honghuapu Group, Zhangjiazhuang Group and Longwanggou Group The occurrences of fossil assemblage and analysis of the sedimentary overstepped relationship ascribed the Honghuapu Group to the Early Ordovician period,the Zhangjiazhuang Group and the Longwanggou Group to the Late Ordovician period. |
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| Keywords: | The Caotangou Group Stratigraphic sequence Age |
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