湖南界牌岭花岗斑岩的蚀变过程与稀有稀土金属成矿

林晓青, 饶灿, 覃莉茜, 吴润秋, 王琪

Alteration processes and rare (earth) metal mineralization of Jiepailing porphyry deposit, Hunan Province

Xiaoqing Lin, Can Rao, Lixi Qin, Runqiu Wu, Qi Wang

表1 界牌岭花岗斑岩的部分主量、微量及稀土元素成分及含量

Table 1 Compositions and contents of major，trace elements and rare earth elements from Jiepailing granite porphyry

主量成分 J?1?4 J?2?1 微量元素 J?1?4 J?2?1 稀土元素 J?1?4 J?2?1 SiO2 (wt.%) 66.38 68.52 Li (×10-6) 5280 4120 La (×10-6) 13 11 Al2O3 15.92 15.56 Be 13 9 Ce 34 31 FeOT 3.85 2.77 Cu 48 29 Pr 4 4 MgO 0.11 0.18 Pb 300 2890 Nd 19 17 MnO 0.52 0.48 Zn 399 4430 Sm 7 7 CaO 2.81 1.42 W 15 13 Eu 0 0 Na2O 0.06 0.03 Sn 111 61 Gd 7 6 K2O 4.32 5.94 Rb 2670 2720 Tb 1 1 P2O5 0.01 <0.01 Sr 103 45 Dy 10 7 TiO2 <0.01 <0.01 Nb 61 68 Ho 2 1 F 6.20 4.40 Ta 22 23 Er 7 4 δ 0.82 1.40 Zr 66 54 Tm 1 1 A/CNK 1.61 1.73 Hf 5 4 Yb 10 6 ALK 4.38 5.97 U 5 11 Lu 1 1 ΣREE 118 98 Th 29 27 Y 57 29