喜马拉雅夏如淡色花岗岩⁃伟晶岩的矿物学特征
程飞越, 谢磊, 陈小明

Mineralogical characteristics of the Xiaru leucogranite⁃pegmatite in the Himalayan oregen
Feiyue Cheng, Lei Xie, Xiaoming Chen
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.%)
Table 5 Major element composition (wt.%) of representative zircons from the Xiaru leucogranite?pegmatite
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
123平均456平均789平均101112平均
P2O50.950.140.340.240.400.330.100.250.060.070.210.330.170.270.490.19
SiO233.3933.5334.0833.9434.4633.8934.1434.1734.2134.1934.5534.1233.5134.2233.4833.78
ZrO261.5062.8162.2961.7862.6162.7262.1062.6661.8359.7760.7461.1054.5360.7857.4159.46
HfO21.662.442.422.342.331.792.512.083.475.374.033.9810.793.948.435.73
ThO20.13-0.05---0.040.030.020.050.010.01--0.050.02
UO21.270.560.650.840.720.420.250.440.140.220.420.421.390.460.510.73
Y2O30.55-0.12--0.02-0.00---0.020.030.04-0.11
Total99.4599.4899.9499.14100.5399.1799.1399.6497.7299.6999.9599.97100.4299.70100.37100.01
Zr/Hf32.3322.4923.3423.0523.4530.6821.6427.3615.569.7213.1713.874.4113.465.9410.15