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J. Cent. South Univ. (2019) 26: 3502-3515 DOI: https://doi.org/10.1007/s11771-019-4269-2 Petrogenesis of Middle Triassic andesite in Sayaburi area, Laos: Constraints from whole-rock geochemistry... and 4.77, the tDM(t) value ranges in 633-835 Ma, and the tDM2(t) ranges in 625–724 Ma. The results based on the synthesis of petrology, geochemistry, and regional tectonic background studies show that 1......
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Geochemistry of Rare Earth Elements in Lamprophyres in Laowangzhai Gold Orefield, Yunnan Province XU Cheng1,HUANG Zhi-long1,XIAO Hua-yun1,LIU Cong-qiang1 (1.Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China) Abstract:Lamprophyres, widely distributed in the Laowangzhai gold orefield, Yunnan Province, China, and closely related......
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; geochemistry 老挝纳勐铜多金属矿区位于老挝国万象省赛松奔县,大地构造位置位于我国兰坪-思茅地洼区的南延部分[1],区内经历了印支,燕山,喜山期构造运动.印支早期为地洼初动期,印支晚期,燕山期为地洼激烈期,喜山期为地洼余动期[2].地洼激烈期主要为强烈的岩浆活动,为区内成矿作用提供了重要的物源和热源.因此,研究该时期形成的花岗岩类的地球化学特征,可进一步打开区内的找矿前景. 自...学元素丰度数据手册[M]. 北京: 地质出版社, 2007: 1-148.CHI Qing-hua, YAN Ming-cai. Handbook of elemental abundance for applied geochemistry [M]. Beijing: Geological Publishing House, 2007: 1-148. [4] CHAPPELL B W......
Geochemistry of Rare Earth Elements in Aktishikan Gold Deposit, Xinjiang 岳书仓1,周涛发1,袁峰1 (1.Department of Resources and Environmental Science, Hefei Univer sity of Technology, Hefei 230009, China...; geochemistry; isocon diagram; gold depos it; Aktishikan; [全文内容正在添加中] ......
Trace Element Geochemistry of the Baishiquan and Pobei Intrusions,Xinjiang,NW China:Petrogenisis ImplicationsSONG Xie-Yan,XIE Wei,DENG Yu-Feng(State Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550002,China)摘 要:<正>The Baishiquan and Pobei Early Permian mafic-ultramafic intrusions were......