《Table 2 Major element data, trace element data and characteristic parameters of series I and II roc
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《"Isotope Geochronologic and Geochemical Constraints on the Magmatic Associations of the Collisional Orogenic Zone in the West Kunlun Orogen, China"》
Note:The data of*D3156/1 are from the 1:250000 regional geologic maps of Tatulugou and Skardu(Ji Wenhua et al.,2004);LOI stands for loss on ignition;A/CNK=Al2O3/(Ca O+Na2O+K2O)molecular;and“–”represents‘very little’.δEu=ω(Eu)N/[1/2(ω (Sm)N
The series I granite samples exhibit variable Si O2contents;high Na,Mg O,Al2O3,and Ca O contents;low K,Ti O2,Mn O,and P2O5 contents;and Mg#values of 0.33 to0.65(with an average of 0.44)(Table 2) .The plots of A/NK vs.A/CNK,TAS,and K2O vs.Si O2 indicate I-to S-type,peraluminous,and calc-alkaline characteristics(Figs.4–6).The Al2O3,Ca O,Ti O2,Mg O,Mn O,P2O5 andTFe2O3 contents of the samples decrease slightly with increasing Si O2 content and increase with increasing total alkaloid(K2O+Na2O)content in the Harker diagram(Fig.7).Therefore,the gabbro,quartz diorite and granodiorite are related to the same parent magma undergoing magmatic evolution.
图表编号 | XD0017169800 严禁用于非法目的 |
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绘制时间 | 2018.04.01 |
作者 | WANG Chan、LIU Hao、DENG Jianghong、LIU Xianfan、ZHAO Fufeng、WANG Chun、TIAN Xin |
绘制单位 | School of Earth Science, Chengdu University of Technology、State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, School of Energy, Chengdu University of Technology、School of Earth Science, Chengdu University of Technology、School of Earth |
更多格式 | 高清、无水印(增值服务) |
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