喜马拉雅夏如淡色花岗岩⁃伟晶岩的矿物学特征
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程飞越, 谢磊, 陈小明
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Mineralogical characteristics of the Xiaru leucogranite⁃pegmatite in the Himalayan oregen
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Feiyue Cheng, Lei Xie, Xiaoming Chen
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表5 夏如淡色花岗岩?伟晶岩中代表性锆石的主量元素数据(wt.%)
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Table 5 Major element composition (wt.%) of representative zircons from the Xiaru leucogranite?pegmatite
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| 未矿化白云母花岗岩 | n=10 | | 含钨白云母花岗岩 | n=6 | | 含铌钽钨白云母花岗岩 | n=14 | | 含铌钽伟晶岩 | n=23 |
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| 1 | 2 | 3 | 平均 | | 4 | 5 | 6 | 平均 | | 7 | 8 | 9 | 平均 | | 10 | 11 | 12 | 平均 | P2O5 | 0.95 | 0.14 | 0.34 | 0.24 | | 0.40 | 0.33 | 0.10 | 0.25 | | 0.06 | 0.07 | 0.21 | 0.33 | | 0.17 | 0.27 | 0.49 | 0.19 | SiO2 | 33.39 | 33.53 | 34.08 | 33.94 | | 34.46 | 33.89 | 34.14 | 34.17 | | 34.21 | 34.19 | 34.55 | 34.12 | | 33.51 | 34.22 | 33.48 | 33.78 | ZrO2 | 61.50 | 62.81 | 62.29 | 61.78 | | 62.61 | 62.72 | 62.10 | 62.66 | | 61.83 | 59.77 | 60.74 | 61.10 | | 54.53 | 60.78 | 57.41 | 59.46 | HfO2 | 1.66 | 2.44 | 2.42 | 2.34 | | 2.33 | 1.79 | 2.51 | 2.08 | | 3.47 | 5.37 | 4.03 | 3.98 | | 10.79 | 3.94 | 8.43 | 5.73 | ThO2 | 0.13 | - | 0.05 | - | | - | - | 0.04 | 0.03 | | 0.02 | 0.05 | 0.01 | 0.01 | | - | - | 0.05 | 0.02 | UO2 | 1.27 | 0.56 | 0.65 | 0.84 | | 0.72 | 0.42 | 0.25 | 0.44 | | 0.14 | 0.22 | 0.42 | 0.42 | | 1.39 | 0.46 | 0.51 | 0.73 | Y2O3 | 0.55 | - | 0.12 | - | | - | 0.02 | - | 0.00 | | - | - | - | 0.02 | | 0.03 | 0.04 | - | 0.11 | Total | 99.45 | 99.48 | 99.94 | 99.14 | | 100.53 | 99.17 | 99.13 | 99.64 | | 97.72 | 99.69 | 99.95 | 99.97 | | 100.42 | 99.70 | 100.37 | 100.01 | Zr/Hf | 32.33 | 22.49 | 23.34 | 23.05 | | 23.45 | 30.68 | 21.64 | 27.36 | | 15.56 | 9.72 | 13.17 | 13.87 | | 4.41 | 13.46 | 5.94 | 10.15 |
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