临沧地区富铀花岗岩体地球化学特征及其地质意义

田建民, 徐争启, 尹明辉, 李涛, 孙康

Geochemical characteristics and geological significance of uranium-rich granites in Lincang area

TIAN Jian-Min, XU Zheng-Qi, YIN Ming-Hui, LI Tao, SUN Kang

表3 临沧富铀花岗岩微量、稀土元素分析结果

Table 3 Analysis results of trace and rare earth elements in Lincang rich uranium granite 10-6

元素 双江样品 凤庆样品 YN027 YN028 YN029 YN030 YN031 YN050 YN051 YN052 YN053 YN054 YN055 YN056 YN057 La 25.40 16.20 28.20 22.60 28.70 13.60 11.70 14.80 11.50 29.80 2.37 20.70 49.50 Ce 56.90 34.80 57.10 41.70 62.40 27.60 23.20 29.00 17.40 63.40 2.66 37.90 81.50 Pr 7.67 4.48 6.87 5.14 7.73 3.37 3.13 3.40 2.72 6.87 0.47 4.90 10.70 Nd 25.80 17.70 28.00 20.90 27.30 12.30 11.20 13.00 9.96 26.30 2.17 18.70 38.80 Sm 6.26 5.64 7.12 4.27 9.28 2.53 2.49 2.54 1.87 6.09 0.70 3.85 7.87 Eu 0.75 0.88 1.06 0.53 1.60 0.21 0.21 0.22 0.20 0.51 0.13 0.39 0.70 Gd 4.51 5.59 5.97 3.64 11.40 1.81 1.89 1.84 1.62 4.59 0.89 3.32 6.60 Tb 0.81 1.31 1.19 0.53 2.78 0.29 0.29 0.32 0.26 0.82 0.20 0.52 1.18 Dy 4.11 7.92 6.34 2.76 17.60 1.27 1.48 1.54 1.29 3.66 1.04 2.87 6.05 Ho 0.74 1.60 1.11 0.52 3.97 0.29 0.30 0.31 0.26 0.69 0.22 0.51 1.16 Er 2.02 3.72 2.92 1.43 10.00 0.87 0.88 0.91 0.72 1.88 0.58 1.39 3.21 Tm 0.32 0.59 0.46 0.23 1.36 0.17 0.15 0.15 0.12 0.34 0.11 0.25 0.54 Yb 1.91 3.02 2.29 1.40 6.57 0.96 1.05 0.97 0.81 2.15 0.75 1.54 3.59 Lu 0.26 0.36 0.32 0.22 0.77 0.15 0.14 0.13 0.10 0.29 0.09 0.22 0.45 Be 6.40 8.21 6.79 6.14 6.05 2.06 3.60 2.08 1.59 5.26 2.49 5.76 6.52 Sc 6.70 6.34 6.52 5.32 4.47 2.99 2.90 3.28 1.66 4.83 0.41 2.83 5.82 V 45.80 28.20 32.10 22.50 38.80 15.20 21.80 11.60 6.98 20.70 58.30 383.00 25.10 Cr 15.90 11.60 12.40 10.60 10.60 3.30 3.40 3.61 2.35 6.66 9.64 8.47 9.24 Co 8.57 18.60 9.80 3.34 2.49 1.09 0.56 0.43 0.35 2.05 16.40 19.30 2.94 Ni 5.63 10.90 6.63 5.58 2.02 0.94 1.41 1.26 0.88 4.07 2.18 2.89 3.55 Cu 21.00 22.00 23.70 17.40 17.70 100.00 50.30 196.00 62.20 48.40 727.00 703.00 3.76 Zn 12.90 29.80 29.60 22.60 23.40 288.00 764.00 290.00 146.00 2407.00 59322.00 33929.00 140.00 Ga 21.40 21.00 23.80 19.00 18.20 13.00 11.50 9.77 5.94 19.00 31.00 25.70 19.20 Rb 289.00 294.00 306.00 271.00 268.00 217.00 212.00 211.00 124.00 403.00 13.90 226.00 313.00 Sr 48.80 58.70 61.30 72.90 64.90 6.91 10.60 5.09 2.32 28.40 7.09 17.50 60.20 Y 20.00 52.90 33.70 14.60 145.00 9.17 8.50 9.17 9.01 20.50 7.98 16.70 32.20 Mo 2.04 1.59 0.33 0.28 1.58 0.75 0.39 0.38 0.07 0.00 52.40 1.15 0.17 Cd 0.05 0.18 0.07 0.05 0.07 0.50 4.29 1.27 1.17 4.04 251.00 114.00 0.76 In 0.05 0.04 0.04 0.04 0.03 0.16 0.11 0.53 0.05 0.03 1.66 0.80 0.03 Sb 2.08 11.60 3.54 0.76 13.30 47.50 5.63 46.90 31.30 0.65 250.00 46.40 0.30 Cs 23.60 70.80 28.50 19.70 48.90 12.70 8.17 5.07 3.11 11.70 1.34 13.80 15.40 Ba 496.00 191.00 379.00 328.00 445.00 117.00 178.00 152.00 61.30 487.00 11.40 211.00 456.00 Tl 2.08 10.10 1.91 1.53 15.90 1.63 1.24 1.32 0.69 2.65 0.50 1.58 1.92 Pb 37.50 333.00 126.00 49.70 620.00 9446.00 551.00 10751.00 955.00 2219.00 28776.00 19703.00 89.00 Bi 1.06 2.34 0.52 0.57 1.60 15.90 0.68 2.82 5.28 2.07 29.60 23.50 0.75 Th 23.40 18.70 22.80 19.30 9.97 3.98 9.54 9.07 7.36 33.00 0.63 18.60 36.20 U 45.90 268.00 158.00 30.20 64.00 7.65 3.49 11.60 3.38 10.90 1751.00 1179.00 8.26 Nb 13.50 11.40 13.50 11.20 9.81 4.93 3.89 6.21 3.24 11.40 0.26 6.34 12.40 Ta 2.64 2.16 2.42 2.31 1.85 1.13 1.05 1.45 0.84 2.98 0.06 1.58 2.64 Zr 97.50 103.00 118.00 102.00 110.00 21.70 15.20 21.50 14.80 26.90 1.15 25.30 60.20 Hf 3.72 3.51 4.04 3.44 3.25 0.79 0.61 0.79 0.63 1.03 0.05 1.02 2.32