| 内蒙古海拉尔盆地贝尔凹陷贝32井南屯组地层及孢粉组合 |
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| 引用本文： | 韩刚,曹阳,张文婧,王敬岩,薛云飞,包丽.内蒙古海拉尔盆地贝尔凹陷贝32井南屯组地层及孢粉组合[J].地质通报,2019,38(6):916-921. |
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| 作者姓名： | 韩刚 曹阳 张文婧 王敬岩 薛云飞 包丽 |
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| 作者单位： | 东北石油大学地球科学学院, 黑龙江 大庆 163318,东北石油大学地球科学学院, 黑龙江 大庆 163318,大庆油田有限责任公司勘探开发研究院, 黑龙江 大庆 163712,大庆油田有限责任公司勘探开发研究院, 黑龙江 大庆 163712,大庆油田有限责任公司勘探开发研究院, 黑龙江 大庆 163712,大庆油田有限责任公司勘探开发研究院, 黑龙江 大庆 163712 |
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| 基金项目： | 国家自然科学基金项目《白云岩对陆相湖盆泥页岩层系储层物性和脆性的影响定量研究》（批准号：41672113） |
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| 摘 要： | 对内蒙古海拉尔盆地贝尔凹陷贝32井南屯地层中的孢粉化石进行了系统研究,自下而上建立了2个孢粉化石组合。Piceaepollenites云杉粉-Pinuspollenites双束松粉-Abietineaepollenites单束松粉组合,分布于南屯组一段;Concentrisporites同心粉-Piceaepollenites云杉粉-Pinuspollenites双束松粉组合,分布于南屯组二段。根据孢粉化石组合中Cicatricosisporites,Densoisporites,Triporoletes,Pilosisporites等重要分子的地质时限特征,认为南屯组地质时代为早白垩世Aptian—Albian。这些孢粉化石资料对建立海拉尔盆地地层层序,而指导盆地油气勘探具有十分重要的理论和现实意义。
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| 关 键 词： | 海拉尔盆地 早白垩世 孢粉组合 南屯组 |
| 收稿时间： | 2017/3/24 0:00:00 |
| 修稿时间： | 2017/10/6 0:00:00 |
Stratigraphy and sporopollen assemblages of well Bei 32 from the Nantun Formation in the Hailar Basin, Inner Mongilia |
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| HAN Gang,CAO Yang,ZHANG Wenjing,WANG Jingyan,XUE Yunfei and BAO Li.Stratigraphy and sporopollen assemblages of well Bei 32 from the Nantun Formation in the Hailar Basin, Inner Mongilia[J].Geologcal Bulletin OF China,2019,38(6):916-921. |
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| Authors: | HAN Gang CAO Yang ZHANG Wenjing WANG Jingyan XUE Yunfei and BAO Li |
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| Institution: | Northeast Petroleum University, Daqing 163318, Heilongjiang, China,Northeast Petroleum University, Daqing 163318, Heilongjiang, China,Exploration and Development Research Institute of Daqing Oilfield Company, Daqing 163712, Heilongjiang, China,Exploration and Development Research Institute of Daqing Oilfield Company, Daqing 163712, Heilongjiang, China,Exploration and Development Research Institute of Daqing Oilfield Company, Daqing 163712, Heilongjiang, China and Exploration and Development Research Institute of Daqing Oilfield Company, Daqing 163712, Heilongjiang, China |
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| Abstract: | Form bottom to top,the Nantun Formation may be divided into two sporopollen assemblages. The Piceaepollenites sp.-Pinuspollenites sp.-Abietineaepollenites sp. is distributed in the first member of the Nantun Formation, whereas Concentrisporites sp.-Piceaepollenites sp.-Pinuspollenites sp. assemblage lies in the second member of Nantun Formation. Among the pteridophytic components,most genera of pteridophytic spores bear strong aspects of Early Cretaceous,such as Cicatricosisporites, Densoisporites, Triporoletes, and Pilosisporites. The Nantun Formation is thus considered to be Aptian-Albian in age, and it is important in reconstructing the stratigraphic sequence and guiding the exploration of the Hailar Basin where a lots of sporopollen fossils have been discovered. |
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| Keywords: | Hailar Basin Early Cretaceous sporopollen assemblage Nantun Formation |
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