赛马碱性岩稀有稀土矿地质化学特征及找矿潜力
|
南哲, 王林世, 侯旭, 翟征博, 王杨, 刘洋
|
Geological and geochemical characteristics and prospecting potential of rare element and rare earth element deposits in Saima alkaline complex
|
NAN Zhe, WANG Lin-Shi, HOU Xu, ZHAI Zheng-Bo, WANG Yang, LIU Yang
|
|
表5 赛马碱性岩主要岩石类型稀土元素(REE)含量
|
Table 5 Contents of REE in main rock types of Saima alkaline rocks10-6
|
|
样品编号 | 83-64 | 83-51 | 83-52 | 83-1 | 83-3-2 | 83-3-5 | 83-97 | 83-8 | 93-34 | 83-105 | 岩石名称 | 粗面岩 | 白榴石斑岩 | 假白榴石 响岩 | 黑榴云霞 正长岩 | 云霓霞 正长岩 | 黑色霓石霓 霞正长岩 | 绿色霓石霓 霞正长岩 | 草绿色霓石 霓霞正长岩 | 钙矽卡岩 | 镁矽卡岩 | La | 144.0 | 104.8 | 140.0 | 100.0 | 162.5 | 150.0 | 240.0 | 377.0 | 82.0 | 96.0 | Ce | 232.0 | 195.2 | 244.8 | 220.0 | 331.3 | 262.5 | 400.0 | 760.0 | 160.0 | 156.0 | Pr | 28.8 | 19.2 | 28.8 | 40.0 | 48.8 | 39.4 | 34.4 | 125.0 | 29.0 | 18.4 | Nd | 88.0 | 76.0 | 102.4 | 115.0 | 177.5 | 112.5 | 102.4 | 310.0 | 80.0 | 38.4 | Sm | 18.4 | 15.2 | 20.8 | 24.0 | 32.5 | 40.0 | 25.6 | 77.0 | 18.0 | 16.8 | Eu | 6.6 | 5.6 | 7.5 | 8.0 | 13.8 | 10.8 | 6.9 | 31.0 | 7.2 | 4.2 | Gd | 9.2 | 6.4 | 10.4 | 21.0 | 21.3 | 17.5 | 12.8 | 53.0 | 16.0 | 5.6 | Dy | 5.2 | 4.0 | 5.6 | 5.9 | 7.4 | 7.0 | 4.8 | 28.0 | 4.1 | 3.7 | Er | | | | 7.0 | 8.0 | 7.3 | | 19.0 | 5.7 | | Yb | 3.7 | 2.9 | 3.7 | 3.2 | 5.0 | 4.5 | 3.7 | 19.0 | 2.6 | 2.6 | ∑w(REE) | 502.3 | 405.3 | 530.4 | 544.1 | 808.1 | 651.5 | 867.4 | 1799.0 | 404.6 | 325.7 | w(LREE)/ w(HREE) | 26.6 | 29.5 | 25.9 | 13.7 | 18.4 | 17.0 | 37.3 | 14.1 | | | δEu | 1.39 | 1.49 | 1.40 | 1.08 | 1.52 | 1.08 | 1.05 | 1.42 | | | w(La)/w(Yb) | 38.9 | 36.1 | 37.8 | 31.3 | 32.5 | 33.3 | 64.9 | 19.8 | | | w(Eu)/w(Sm) | 0.36 | 0.37 | 0.36 | 0.33 | 0.42 | 0.27 | 0.27 | 0.40 | | |
|
|
|