| 甘肃北山公婆泉盆地钻孔5005地层时代讨论 |
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| 引用本文： | 吴洪峰,赵澄林.甘肃北山公婆泉盆地钻孔5005地层时代讨论[J].石油与天然气地质,1998,19(4):337-339. |
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| 作者姓名： | 吴洪峰 赵澄林 |
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| 作者单位： | 石油大学 |
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| 基金项目： | 普通高等学校博士学科点专项科研基金 |
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| 摘 要： | 对公婆泉盆地钻孔5005的7块样品分析表明,其孢粉组合是单脊周囊孢阿里粉单肋联囊粉,为三叠系中常见分子,因此认为将其归属为上三叠统为妥。
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| 关 键 词： | 钻孔5005 孢粉组合 上三叠统 |
DISCUSSION ON STRATIGRAPHIC AGE OF DRILL HOLE 5005 IN GONGPOQUAN BASIN,BEISHAN,GANSU |
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| Abstract: | Based on the analysis of the samples from drill hole 5005,we discovred an sporo-pollen assemblege of Aratrisporites,Alisporites and Colpectopollis.Similar assemblege of fern and pollen can be found in corresponding group,such as Huangshanjie Group in Junggar Basin,Tuha Basin and Shantanghu Basin,Yanchang Group in Ordos Basin,Yangcaogou Group in Liaoxi.These members could often be found in Triassic System.It is suggested that the formation should belong to Upper Triassic. |
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