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- The data of Sr,S,Pb isotopes and REE geochemistry concordantly indicate that the rock-formingand ore-forming materials of the Xiaobaliang copper deposi... 此项研究为该类矿床的勘查拓宽了思路,指出小坝梁矿区北部与东部为勘探铜矿床的远景区。
- Nd Sr Pb isotope systematics tracing on Paleo Tethyan volcanic rocks in the Sanjiang(Jinshajiang Lancangjiang Nujiang) shows that there exist depleted and primitive mantle reservoirs in the Sanjiang area during the Paleo Tethyan period. Nd- Sr- Pb同位素体系对三江地区古特提斯火山岩的示踪结果表明 ,古特提斯时期三江地区存在亏损和近原始两种地幔储库。
- GEOCHEMICAL FEATURES OF Sr,Nd,AND Pb ISOTOPES OF VOLCANIC ROCKS IN CENOZOIC ERA IN TENGCHONG, CHANGBAISHAN AND WUDALIANCHI,CHINA 腾冲、长白山、五大连池新生代火山岩Sr、Nd、Pb同位素地球化学特征
- Sr and Pb isotopic compositions are identical to or similar to some ocean island basalts and mantle plume constituent. Nd、Sr、Pb同位素组成与洋岛玄武岩和一些地幔柱组分相同或相近。
- Title: Study on the Sr, Nd, Pb and O isotopes of basic dyke swarms in the Wudang block and basic volcanics of the Yaolinghe Group. 关键词:基性岩墙群;基性火山;同位素;地球化学;武当地块;耀岭河群
- H and O isotope compositions of ores show the polygenetic origin of ore-forming solution;and Sr and Pb isotope compositions indicate the mantle and lower crust source. 矿石氢氧同位素组成显示出成矿溶液具备多成因的特点;
- Geochronologic, geochemistry and Sr Nd isotopes of the Late Cretaceous mafic dike swarmsin southern Hainan Island 琼南晚白垩世基性岩墙群的年代学、元素地球化学和Sr-Nd同位素研究
- THE Nd, Sr ANG Pb ISOTOPIC CHARACTERISTICS OF LHERZOLITE XENOLITHS FROM PANSHISHAN,JIANGSU PROVINCE 江苏盘石山二辉橄榄岩包体的Nd、Sr、Pb同位素特征
- Dynamic model for Pb isotope evolution in the continental crust of China. 中国大陆地壳铅同位素演化的动力学模型。
- Sr,Nd and Pb Isotopic Geochemistry of Permian Volcanic Rocks fromSouthern Qinghai and Their Geological Significance 青海南部二叠纪火山岩Sr、Nd、Pb同位素特征及地质意义
- Chen D G.Zhi X C.Li B X Nd,Sr and Pb isotopic compositions and their petrogenetic information of pyroxenite xenoliths from Hannuoba basalts,China 1997 陈绍海.;张国辉
- TAYLOR R N. Pu, U and Pb isotope measurement using TIMS and MC-ICP-MS, May 2007, Presentation in CIAE. 黄达峰;罗修泉;李喜斌;等.;同位素质谱技术与应用[M]
- Title: Dynamic model for Pb isotope evolution in the continental crust of China. 关键词:铅同位素;动力学演化;中国大陆;上地壳;下地壳;地幔
- Their geochemical characteristics of trace elements and Nd and Sr isotopes show that these mafic rocks erupted in a back-arc basin. 根据镁铁质岩的层位关系、岩浆来源和微量元素特征,可将该盆地的地质演化概括为扩张阶段和封闭阶段。
- Pb isotopic data indicate that ore-forming material came from upper mantle or lower crust and went into Archaeozoic crystalline basement 1900Ma ago. 铅同位素表明成矿物质来自上地幔或下地壳,大约在1900Ma从源区分离出来进入太古宙结晶基底。
- This article mainly studies the origin of ore-forming matter, by analyzing ores, strata and granites Pb isotopic composition. 本文通过对彩霞山铅锌矿床的矿石铅、岩浆岩石铅和围岩岩石铅的同位素组成分析,来探讨成矿物质的来源。
- The data of this paper demon-strate that ore sulfides of the Gangdise porphyry copper belt have the same S and Pb isotopic compositions as ore-bearing porphyries. 本文资料显示,该带的含矿斑岩和矿石硫化物具有完全一致的S、Pb同位素组成。
- The whole-rock Pb isotopic composit ions of the North Dabie Complex(NDC),the South Dabie Complex(SDC)and the Cretaceous granites in the ea st Dabie Mountains are reported. 研究了大别山东部北大别变质杂岩、南大别变质杂岩和白垩纪花岗岩的全岩Pb同位素组成。
- The Pb isotopic features of the Jinshajiang ophiolitic melange display higher 208Pb/204Pb and 207Pb/204Pb ratios,implying a DUPAL anomaly,i. e. mantle signatures of Paleo-tethys. Pb同位素研究表明,金沙江蛇绿混杂岩具有相对较高的~(208)Pb/~(204)Pb和~(207)Pb/~(204)Pb,显示了具有DUPAL异常型的特征,类似于古特提斯的地幔特征。