检索结果-南通市图书馆

Hydrocarbon Generation, Migration, and Accumulation in the Eocene Niubao Formation in the lunpola basin, Tibet, China: Insights from basin Modeling and Fluid Inclusion Analysis

引用

Journal of Earth Science 2020年第1期31卷 195-206页

作者： Yiming Liu Jiaren Ye Qiang Cao Baolin Yang Zhongrong Liu Key Laboratory of Tectonics and Petroleum Resources Ministry of EducationChina University of GeosciencesWuhan 430074China Branch of Exploration Company SINOPECChengdu 610041China

The Eocene Niubao Formation is the primary research target of oil exploration in the lunpola *** oil was extracted from Well Z1 on the northern margin of the basin in *** this study,an integrated evaluation of the source rock geothermal,and maturity histories and the fluid inclusion and fluid potential distributions was performed to aid in predicting areas of hydrocarbon *** to the abundance of organic matter,the kerogen types,maturity,and oil-sources correlate with the geochemical *** middle submember of the second member of the Niubao Formation(E2n^2-2)is the most favorable source rock based on the amount of oil produced from the E2n^2-3and E2n^***-and twodimensional basin modeling,using basinMod software,shows that the E2n^2-2source rock started to generate hydrocarbon at 35-30 Ma,reached a maturity of Ro=0.7%at 25-20 Ma,and at present,it has reached the peak oil generation stage with a thermal maturity of Ro=0.8%to less than Ro=1.0%.By using fluid inclusion petrography,fluorescence spectroscopy,and microthermometry,two major periods of oil charging have been revealed at 26.1-17.5 and 32.4-24.6 *** oil accumulation modeling results,conducted by using the Trinity software,show a good fit of the oil shows in the wells and predict that the structural highs and lithologic transitions within the Jiangriaco and Paco sags are potential oil traps.

关键词： Niubao Formation lunpola basin source rocks basin modeling fluid inclusions hydrocarbon migration and accumulation petroleum geology

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A mammalian fossil from the Dingqing Formation in the lunpola basin,northern Tibet,and its relevance to age and paleo-altimetry

引用

Science Bulletin 2012年第Z1期 263-271页

作者： DENG Tao1*,WANG ShiQi1,XIE GuangPu2,LI Qiang1,HOU SuKuan1 & SUN BoYang1,3 1 Key Laboratory of Evolutionary Systematics of Vertebrates,Institute of Vertebrate Paleontology and Paleoanthropology,Chinese Academy of Sciences,Beijing 100044,China 2 Gansu Provincial Museum,Lanzhou 730050,China 3 Graduate University of the Chinese Academy of Sciences,Beijing 100049,China

The distal extremity of a rhinocerotid humerus from the upper part of the Dingqing Formation at the Lunbori locality in Baingoin County,northern Tibet,is the first mammalian fossil found in Cenozoic deposits of the lunpola *** medial condyle of the distal trochlea of the humerus specimen from Lunbori gradually contracts from medially to *** margin of the medial surface of the medial condyle is not prominent,the well-developed medial epicondyle strongly extends posteriorly,and is divided from the articular facet of the medial condyle by a groove;all of which are characteristic for the *** medial condyle is wide at the bottom and narrow at the *** medial collateral ligament fossa is relatively shallow,and the medial collateral ligament tubercle is very *** medial part of the upper margin of the medial condyle smoothly connects to the bony surface above,but there is no clear boundary between *** of these characteristics are identical with those of *** comparisons imply that the Lunbori specimen is closest to Plesiaceratherium gracile in the Shanwang Fauna from Linqu,Shandong Province,in size and ***,its age is suggested to be the late Early Miocene(Shanwangian Age),about 18-16 *** of the rhinocerotid fossil suggests that the upper part of the Dingqing Formation deposited in the *** adjusting to paleo-temperatures of the Early Miocene,a paleo-ecosystem reconstruction indicates that the paleo-elevation was close to 3000 m in the lunpola basin during this time.

关键词： Tibetan Plateau lunpola basin paleo-altimetry Miocene Dingqing Formation Rhinocerotidae

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

New age determination of the Cenozoic lunpola basin,central Tibet

New age determination of the Cenozoic Lunpola basin,central ...

引用

中国科学院地质与地球物理研究所2012年度（第12届）学术年会

作者： HUAIYU HE JIMIN SUN QIULI LI RIXIANG ZHU Key Laboratory of the Earth's Deep Interior Institute of Geology and GeophysicsChinese Academy of Sciences State Key Laboratory of Lithospheric Evolution Institute of Geology and GeophysicsChinese Academy of Sciences

Knowing when the Tibetan Plateau reached its present elevation is important for understanding the uplift history of ***,Rowley & Currie(2006) suggested that central Tibet exceeded 4000 in from 3 5 Ma to the Pliocene using the oxygen-isotope composition of calcareous minerals in lunpola basin ***,they adopted a poor age assignment for the Dingqing Formation in the lunpola basin based on previous microfossil *** this study, we present SIMS U-Pb zircon dates from a bentonite layer intercalated within the middle to lower Dingqing Formation. Twenty-six measurements yield a highly reliable U-Pb age of 23.5±0.2 Ma(2a,MSWD = 1.1),suggesting that the deposition age of the Dingqing Formation is late Oligocene to early Miocene,much older than the Miocene Pliocene age used by Rowley & Currie(2006).This age robustly constrains the age of Ccnozoic sedimentary strata in central Tibet,and hence provides an important basis for estimating the palaeoelevation in the high Tibet during the geological past.

关键词： SIMS U-Pb zircon geochronology lunpola basin bentonite central Tibet

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Bridging the knowledge gap on the evolution of the Asian monsoon during 26–16 Ma

引用

The Innovation 2021年第2期2卷 23-28页

作者： Gan Xie Jin-Feng Li Shi-Qi Wang Yi-Feng Yao Bin Sun David K.Ferguson Cheng-Sen Li Tao Deng Xiao-Dong Liu Yu-Fei Wang State Key Laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of SciencesBeijing 100093China Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of SciencesBeijing 100044China State Key Laboratory of Loess and Quaternary Geology Institute of Earth EnvironmentChinese Academy of SciencesXi’an 710075China Center for Excellence in Tibetan Plateau Earth Sciences Chinese Academy of SciencesBeijing 100101China Department of Paleontology University of Vienna1090 ViennaAustria University of Chinese Academy of Sciences Beijing 100049China

The evolution of the Asian monsoon from the Late Oligocene to the Early Miocene is poorly ***,we first reconstruct the precipitation data of central Tibet during 26–16 million years ago(Ma),applying the coexistence approach to sedimentary pollen data,and detect an intensified Asian monsoon with1.35 Ma and0.33 Ma *** modeling is used to show the importance of paleogeographic location in the development of the *** addition,the results of spectral analysis suggest that the fluctuations in the Asian monsoon during 26–16 Ma can be attributed to the long-period cyclicities in obliquity(1.2 Ma).These findings provide climate data that can be used to understand the Asian monsoon evolution during the Late Oligocene to Early Miocene and highlight the effects of paleogeographic patterns and long-period orbital forcings on the tectonic-scale evolution of the Asian monsoon.

关键词： central Tibetan Plateau lunpola basin precipitation Asian monsoon Oligocene to Miocene climate change

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：