Stratigraphy and sporopollen assemblages of well Bei 32 from the Nantun Formation in the Hailar Basin, Inner Mongilia
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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。
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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Key words:
- Hailar Basin /
- Early Cretaceous /
- sporopollen assemblage /
- Nantun Formation
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表 1 海拉尔盆地贝尔凹陷贝32井南屯组孢粉化石百分含量
Table 1. Nantun Formation sporopollen fossil percentage composition of well Bei 32 from Beir depression in Hailar Basin
% 地层 南屯组二段 南屯组一段 样品号 1 2 3 4 5 井深(m) 1568.00 1648.00 1730.00 1808.00 1888.00 Stereisporites 1.08 1.05 1.05 Cyathidites sp. 7.53 2.02 3.16 1.05 Lygodiumsporites subsimplex 1.05 Granulatisporites sp. 3.03 1.05 3.04 1.70 Gleicheniidites sp. 5.38 2.02 1.05 Osmundacidites wellmanii 2.15 1.01 1.05 3.50 Punctatisporites sp. 1.70 Cicatricosisporites sp. 3.16 Lycopodiumsporites sp. 2.11 1.70 Densoisporites sp. 1.01 1.05 Triporoletes reticulatus 1.08 Apiculatisporis sp. 1.08 1.05 Acanthotriletes sp. 2.02 2.10 Maculatisporites sp. 1.00 Pilosisporites sp. 1.00 Baculatisporites sp. 1.05 蕨类植物孢子 18.28 11.11 15.68 10.39 8.60 Cycadopites sp. 4.30 1.01 3.16 4.09 3.50 Inaperturopollenites sp. 3.23 1.05 1.05 1.70 Taxodiaceaepollenites hiatus 3.23 2.02 3.16 1.05 Psophosphaera sp. 1.08 1.05 1.05 Perinopollenites sp. 2.15 12.12 1.05 Abiespollenites sp. 17.20 Classopollis annulatus 10.75 1.01 2.10 1.70 Abietineaepollenites sp. 8.60 6.06 8.42 8.18 Cedripites nolus 5.38 5.05 3.16 1.05 1.70 Parvisaccites sp. 1.08 3.03 2.11 1.05 Pinuspollenites sp. 10.75 16.16 20.00 27.81 24.20 Piceaepollenites sp. 19.35 14.14 31.58 25.71 32.80 Protoconiferus sp. 3.23 1.01 2.11 4.09 6.90 Protopinus sp. 1.05 3.04 Podocarpidites sp. 1.38 4.36 2.15 1.70 Jiaohepollis 3.12 3.04 Paleoconiferus 4.00 1.00 Concentrisporites sp. 3.23 27.27 2.10 裸子植物花粉 81.72 88.89 84.32 89.61 91.40 
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[1] 韩刚, 张文婧, 薛云飞.海拉尔盆地贝尔凹陷贝27井早白垩世孢粉组合及其地质意义[J].微体古生物学报, 2018, 35(3):74-89. http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=wtgswxb201801007
[2] 吴海波, 李军辉, 刘赫.乌尔逊-贝尔凹陷岩性-地层油藏形成条件及分布规律[J].中南大学学报(自然科学版), 2015, 46(6):2178-2187. http://d.old.wanfangdata.com.cn/Periodical/zngydxxb201506028
[3] 赵传本.二连盆地早白垩世孢粉组合[M].北京:石油工业出版社, 1987:1-50
[4] 万传彪, 张莹.海拉尔盆地早白垩世沟鞭藻类和疑源类的发现[J].大庆石油地质与开发, 1990, 9(3):1-14. http://www.cnki.com.cn/Article/CJFDTotal-DQSK199003001.htm
[5] 叶得泉, 赵传本, 万传彪.海拉尔盆地地层划分对比[M].北京:石油工业出版社, 1995:84-95.
[6] 万传彪, 乔秀云, 王仁厚.海拉尔盆地红旗凹陷非海相微体浮游藻类[J].微体古生物学报, 1997, 14(4):405-418. http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=QK199700568904
[7] 高瑞祺, 赵传本, 乔秀云, 等.松辽盆地白垩纪石油地层孢粉学[M].北京:地质出版社, 1999:60-62.
[8] 黄清华, 李春柏, 孔惠, 等.海拉尔盆地南部早白垩世地层及其孢粉组合[J].微体古生物学报, 2004, 21(4):431-438. doi: 10.3969/j.issn.1000-0674.2004.04.008
[9] Wan C B, Qiao X Y, Xu Y B, et al. Sporopollen Assemblages from the Cretaceous Yinmin Formation of the Hailaer Basin, Inner Mongolia[J].China:Acta Geologica Sinica, 2005, 79(4):459-470. doi: 10.1111/acgs.2005.79.issue-4
[10] 李春柏, 万传彪, 乔秀云, 等.海拉尔盆地海参1井伊敏组孢粉组合的地层意义[J].地层学杂志, 2007, 31(1):23-34. doi: 10.3969/j.issn.0253-4959.2007.01.003
[11] 万传彪, 李延锋, 薛云飞.松辽盆地深层侏罗系-下白垩统生物组合和沉积环境[J].地质科学, 2009, 42(2):418-434. doi: 10.3321/j.issn:0563-5020.2009.02.007
[12] 韩刚, 张文婧, 黄清华, 等.松辽盆地白垩系青山口阶界线层型剖面研究[J].地层学杂志, 2012, 36(3):8-17. http://www.cnki.com.cn/Article/CJFDTOTAL-DCXZ201203005.htm
[13] 薛云飞.海拉尔盆地查干诺尔凹陷伊敏组孢粉组合及其地质意义[J].大庆石油地质与开发, 2017, 36(2):52-59. doi: 10.3969/J.ISSN.1000-3754.2017.02.008
[14] 薛云飞, 王丽岩.海拉尔盆地查干诺尔凹陷扎赉诺尔群孢粉组合[J].中国煤炭地质, 2010, 22(1):6-14. doi: 10.3969/j.issn.1674-1803.2010.01.02
[15] 蒲荣干, 吴洪章.辽宁西部中生界孢粉组合及其地层意义[M].北京, 地质出版社, 1985b:121-212.
[16] 刘兆生.宁夏六盘山早侏罗世孢粉组合及其古植被、古气候意义[J].古生物学报, 1983, 22(5):517-526. http://www.cnki.com.cn/Article/CJFDTotal-GSWX198305004.htm
[17] 尚玉珂, 王淑英.吉林九台营城组孢粉组合及古植被、古气候探讨[J].微体古生物学报, 1991, 8(1):91-110. http://www.cnki.com.cn/Article/CJFDTotal-WSGT199101008.htm
[18] 宋之琛, 刘耕武, 黎文本, 等.内蒙古二连盆地早白垩世孢子花粉[M]//内蒙古二连盆地早白垩世介形类和孢粉组合, 合肥: 安徽科学技术出版社, 1986: 106-334.
[19] 李星学.中国地质时期植物群[M].广东:广东科技出版社, 1995:321-332.
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