| 松辽盆地深层侏罗系-下白垩统生物组合和沉积环境 |
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| 引用本文： | 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,2009,44(2):418-434. |
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| 作者姓名： | 万传彪 李延锋 薛云飞 |
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| 作者单位： | 1. 大庆油田有限责任公司勘探开发研究院, 黑龙江, 大庆, 163712;
2. 大庆油田有限责任公司第六采油厂, 黑龙江, 大庆, 163357 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 本文描述了松辽盆地探井揭露的深层地层序列及其所产的5个牛物门类化石组合特征.9个孢粉组合是Monosulcites-Cyathidites组合、Pinaceae-Cyathidites-Osmundaeidites组合、Classopollis-Piceites组合、Lophotriletes-Cicatricosisporites组合、Paleoconiferus-Lygodiumsporites组合、Cyathidites-Leiotriletes-Clavatipollenites组合、Cicatricosisporites-Leiotriletes-Polyporopollenites组合、Leiotriletes-Schizaeoisporites-Classopollis组合和Trilobosporites-Cyathidites-Tricolpollenites组合.3个藻类组合是Vesperopsis-Australisphaera组合、Balmula granorugosa组合和Vesperopsis zhaodongensis组合.2个介形类组合是Cypridea unicostata-Limnocypridesadscondida组合和Mongolocypris limpida-Paracandona planiuscula组合.4个植物组合是Elatocladus submanchurica-Ginkgoites orientalis组合、Acanthopteris gothani-Pterophyllum组合、Sphenopteris johnstrupii-Coniopteris nympharum组合和Platanus septentrionalis-Protophyllum undulaturn组合.3个大孢子组合是Minerisporites sp.组合、Ricinospora leavigata-Galamospora sp.组合和Arcellites组合.还介绍了叶肢介、轮藻、双壳类和鱼类化石的产出情况.结合同位素资料认为：大庆群时代为中侏罗世，火石岭组可能为贝里阿斯期，沙河子组为凡兰吟期-欧特里夫期，营城组为欧特里夫期-巴列姆期，登娄库组为巴列姆期-阿普第期早期，泉头组一-二段为阿普第-阿尔卑期，并对各组沉积环境进行了初步分析.
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| 关 键 词： | 生物组合 地质时代 沉积环境 下白垩统 中侏罗统 松辽盆地 |
| 收稿时间： | 2007-12-18 |
| 修稿时间： | 2007-12-18; |
Jurassic-Lower Cretaceous biota and depositional environments in the deep layers of Songliao Basin |
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| Wan Chuanbiao,Li Yanfeng,Xue Yunfei.Jurassic-Lower Cretaceous biota and depositional environments in the deep layers of Songliao Basin[J].Chinese Journal of Geology,2009,44(2):418-434. |
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| Authors: | Wan Chuanbiao Li Yanfeng Xue Yunfei |
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| Institution: | 1. Exploration and Development Research Inatitute of Daqing Dilfield Company Ltd., Daqing, Heilongjiang 163712;
2. No. 6 Production Factory of Daqing Oilfield Company Ltd., Daqing, Heilongjiang 163357 |
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| Abstract: | The stratigraphic units and successions in the deep layers of Songliao Basin were described in the paper, whose fossil Assemblages, including pollen and spores, algae, brachiopods, plants and megaspores were briefly introduced in ascending order.Nine pollen and spore Assemblageswere as follows: Monosulcites-Cyathidites Assemblage,Pinaceae-Cyathidites-Osmundaeidites Assemblage,Classopollis-Piceites Assemblage,Lophotriletes-Cicatricosisporites Assemblage,Paleoconiferus-Lygodiumsporites Assemblage,Cyathidites-Leiotriletes-Clavatipollenites Assemblage,Cicatricosisporites-Leiotriletes-Polyporopollenites Assemblage,Leiotriletes-Schizaeoisporites-Classopollis Assemblage and Trilobosporites-Cyathidites-Tricolpollenites Assemblage.Three algal assemblages were Vesperopsis-Australisphaera Assemblage, Balmula granorugosa Assemblage and Vesperopsis zhaodongensis Assemblage.Two ostracod assemblages were Cypridea unicostata-Limnocyprides adscondida and Mongolocypris limpida-Paracandona planiuscula Assemblages.Four plant assemblages were Elatocladus submanchurica-Ginkgoites orientalis Assemblage, Acanthopteris gothani-Pterophyllum Assemblage, Sphenopteris johnstrupii-Coniopteris nympharum Assemblage and Platanus septentrionalis-Protophyllum undulaturn Assemblage.Three megaspore assemblages were Minerisporites sp.Assemblage, Ricinospora leavigata-Galamospora sp.Assemblage and Arcellites Assemblage.In addition, the fossils of conchostraca, charophyte, bivalvia and fishes were also describeded.To combine the isotopic datings, the ages of each stratigraphic unit was discussed, namely, the Daqing Group being Middle Jurassic, Huoshiling Formation being Berriasian, Shahezi Formation being Valanginian-Hauterivian, Yincheng Formation being Hauterivian-Barremian, Denglouku Formation being Barremian-early Aptian,and Numbers 1-2 of Quantou Formation being Aptian-Albian in ages respectively.Furthermore, the depositional environments of the formations mentioned above were analyzed primarily. |
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| Keywords: | Fossil assemblages Geological ages Depositional environments Lower Cretaceous Middle Jurassic The Songliao Basin |
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