白培荣,曾禹人,李月森,黄建国,廖铸敏,马德胜,符宏斌,莫春虎,郭海,樊洪富,杨育慎.藏北班戈盆地东南缘恐弄拉地区始新世植物化石的发现及其意义[J].贵州地质,2017,34(4):301-305 |
藏北班戈盆地东南缘恐弄拉地区始新世植物化石的发现及其意义 |
Discovery and Its Significance of the Eocene Plant Fossils in the Kongnongla Area from the Southeast Margin Bangor Basin in Northern Tibet |
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DOI: |
中文关键词: 恐弄拉地区 牛堡组 始新世 植物化石 |
英文关键词:Kongnongla area Niubao formation Eocene Plant fossils |
基金项目:中国地质调查局项目《西藏1∶5万恐弄拉区域地质调查》 (编号:12120114062301)。 |
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中文摘要: |
笔者在藏北班戈县恐弄拉地区牛堡组地层中上部采集了具有典型意义的、代表始新世的Ficus stephensoni,Dryophyllum sp.,?Juglandites sp.等被子植物叶片印痕化石。植物化石的发现对牛堡组地层的划分对比、地层格架的建立及古近纪沉积时期的古气候、古地理和古植被的分析提供了依据,且丰富了地层的古生物数据;同时也为分析探讨恐弄拉地区的地质学和植物学的耦合关系提供了重要基础资料。 |
英文摘要: |
In the middle-upper Niubao formation of the Kongnongla area of Bangor county,northern Tibet,the author collected the leaves trace fossils of angiosperms of Ficus stephensoni,Dryophyllum sp.,Juglandites sp.etc,which is typical of the Eocene epoch.The discovery of plant fossils provides a basis for the division and comparison of the Niubao Formation,the establishment of the stratigraphic framework and analysis of palaeoclimate,palaeogeography and ancient vegetation during the Paleogene depositional period,and enriched the paleontological data of the strata.It also provides important basic information for analysis of the coupling relationship between geology and botany in the region of Kongnongla. |
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