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作品数:26被引量:224H指数:8
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Petrogenesis and Rb-Sr Isotopic Characteristics of Paleo-Mesoproterozoic Mirgarani Granite Sonbhadra Uttar Pradesh India:Geodynamics Implication for Supercontinent Cycle
《Advances in Geological and Geotechnical Engineering Research》2023年第1期57-85,共29页A.P.Dhurandhar Suresh Khirwal D.V.L.N.Sastry 
The Rb-Sr whole-rock isochron,age 1636±66 Ma of Mirgarani granite,is the one of the oldest granite dated in the northwestern part of the Chhotanagpur Granite Gneiss Complex(CGGC).The initial Sr ratio is 0.715±0.012(...
关键词:Miragrani granite PETROGENESIS Isochron dating Radiogenic heat Dudhi group CGGC Palaeo-Mesoproterozoic SUPERCONTINENTS 
What Caused the Inconsistency between Rb-Sr and^(40)Ar-^(39)Ar Ages of Authigenic Illites?被引量:1
《Journal of Earth Science》2022年第5期1145-1151,共7页Entao Liu I.Tonguc Uysal Jian-Xin Zhao Zi'ao Zhang Xudong Lin 
supported by the National Natural Science Foundation of China(Nos.42072142,41702121,U19B2007)。
Radiogenic isotope dating of illitic clays has been widely used to reconstruct thermal and fluid flow events in siliciclastic sedimentary basins,the information of which is critical to investigate mechanisms of hydroc...
关键词:authigenic illite isotope dating Rb−Sr isochron ^(40)Ar-^(39)Ar dating INCONSISTENCY geochemistry 
Redefinition of Early Mesoproterozoic (1800-1600Ma) stratigraphy in the northern Kongling area,China:The nucleus of Yangtze Craton and its tectonic significance被引量:2
《China Geology》2019年第2期157-168,共12页Xiao-ming Zhao Xiao-fei Qiu Zhi-hui An Nian-wen Wu Li Tian Yun-xu Wei Tuo Jiang 
supported by the National Science Foundation of China (41530104, 41303026);the projects of China Geological Survey (121201009000161427, DD20160029, DD20160030).
The Wujiatai Formation, which is well exposed in Huangjiatai-Xichahe region of the northern Kongling area of central Yangtze Craton, is a suite of epimetamorphic conglomerates to pebbly sandstones to fine sandstone-do...
关键词:Zircon U-Pb Wujiatai Formation PB-PB ISOCHRON age COLUMBIA SUPERCONTINENT Northern Kongling area 
Monte Carlo sampling for error propagation in linear regression and applications in isochron geochronology被引量:1
《Science Bulletin》2019年第3期189-197,共9页Yang Li Shuang Zhang Richard Hobbs Camila Caiado Adam D.Sproson David Selby Alan D.Rooney 
funded by the State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences (SKL-K201706);the total endowment fund;Yale University for support
Geochronology is essential for understanding Earth's history. The availability of precise and accurate isotopic data is increasing; hence it is crucial to develop transparent and accessible data reduction techniques a...
关键词:LINEAR regression ISOCHRON GEOCHRONOLOGY UNCERTAINTY PROPAGATION MONTE Carlo Isoplot 
Ultra-low procedural blank and the single-grain mica Rb-Sr isochron dating被引量:17
《Chinese Science Bulletin》2005年第24期2861-2865,共5页LI Qiuli HEN Fukun WANG Xiuli LI Xianghui LI Chaofeng 
supported by the National N atural Science Foundation of China(Grant Nos.40403008 and 40372106);the China Postdoctoral Science Foundation.
Both low procedural blank and high-precision measurements of isotopic ratios are crucial for the analysis of micro samples. This study reports a chemical procedure of ultra-low blank for the high precision measurement...
关键词:地球科学 同位素比 稳定同位素地球化学 云母 角砾云橄岩 Rb-Sr同位素测年 
Metallogenic Chronology of Boron Deposits in the Eastern Liaoning Paleoproterozoic Rift Zone被引量:9
《Acta Geologica Sinica(English Edition)》2005年第3期414-425,共12页LUYuanfa CHENYuchuan LIHuaqin XUEChunji CHENFuwen 
supported by the National 973 Project of China(G1999043201)
Lead isotopic analytic data of 30 ores gathered from the Zhuanmiao boron deposit, Wengquangou boron (iron) deposit and its Dongtaizi Ore Member constitute three isochrons, the corresponding ages of which are 1902 ± 1...
关键词:boron deposits isotope chronology Pb-Pb isochron 40Ar-39Ar dating PALEOPROTEROZOIC eastern Liaoning 
^(40)Ar/^(39)Ar and Rb-Sr isochron dating of the gold deposits on northern margin of the Jiaolai Basin,Shandong,China被引量:25
《Science China Earth Sciences》2003年第7期708-718,共11页张连昌 沈远超 刘铁兵 曾庆栋 李光明 李厚民 
This work was supported by the Chinese Academy of Sciences(Grant Nos.KZCX1-Y-03 and KZ951-A1-404).
The Pengjiakuang, Dazhuangzi and Fayunkuang gold deposits, located on the northern margin of the Mesozoic Jiaolai Basin, east of Shandong Province, are controlled by a low-angle normal fault. Gold ores are typically b...
关键词:AR-AR age  RB-SR isochron  gold metallogenic time  NORTHERN MARGIN of the Jiaolai Basin. 
Sm-Nd ISOTOPIC AGE OF LAMPRO PHYRES IN THE GEZHEN GOLD BEARING SHEAR ZONE ON HAINAN ISLAND AND ITS GEOLOGICAL IMPLICATIONS
《Geotectonica et Metallogenia》2002年第1期76-81,共6页XU De ru1,2, LIANG Xin quan1, CHEN Guang hao1 and HUANG Zhi long2(1. Changsha Institute of Geotectonics, Chinese Academy of Sciences, Changsha 410013, China 2. Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China) 
Sm Nd isotopic compositions of eight lamprophyre samples, which come from the Gezhen gold bearing shear zone on western Hainan Island, are measured. The Sm Nd isochron age is 495.98±13.14 Ma, (143Nd/144Nd)0=0.512094,...
关键词:LAMPROPHYRE SM-ND ISOCHRON age Gezhen gold-bearing SHEAR zone western HAINAN ISLAND 
On emplacement ages of lam-proites in Zhenyuan County,Guizhou Province,China被引量:7
《Chinese Science Bulletin》2002年第10期874-880,共7页Weixuan Fang Ruizhong Hu Wenchao Su Jiafei Xiao Liang Qi Guohao Jiang 
This work was jointly supported by the National Outstanding Young Scientist Foundation of China (Grant No. 49925309); the State Key Project of Fundamental Research Planning (Grants No. 1999043200); and 95-Y-25.
Emplacement ages of lamproites that comprise lamproite and olivine lamproite in Zhenyuan County, Guizhou Province, China, have been constrained by the whole-rock Sm-Nd and Rb-Sr isochron methods and the whole rock K-A...
关键词:the SM-ND ISOCHRON age the RB-SR ISOCHRON age whole rock K-AR method LAMPROITE Zhenyuan COUNTY of Guizhou Prov-ince China. 
Geochronology and Nd and Pb isotope characteristics of gabbro dikes in the Luobusha ophiolite, Tibet被引量:40
《Chinese Science Bulletin》2002年第2期143-146,共4页ZHOU Su MO Xuanxue J.J.Mahoney ZHANG Shuangquan GUO Tieyjing ZHAO Zhidan 
This work was supportedby both the National Natural Science Foundation of China and the National Key Project for Basic Research on the Tibetan Plateau (Grant Nos. 49772107, 49802005 and G1998040800) ; the U.S. National Science Foundation (EAR-9805318)
We report a combined internal and whole-rock Sm-Nd isochron age, and Nd and Pb isotopic data for gabbro dikes of the Luobusha ophiolite in Tibet. The Sm-Nd isochron of data for two whole rocks and plagioclase and clin...
关键词:LUOBUSHA OPHIOLITE Sm-Nd ISOCHRON age ND and Pb isotopes. 
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