PRECAMBRIAN RARE EARTH MINERALIZATION LAYER OF PALEOWEATHERING CRUST TYPE DISCOVERED IN NORTHERN HEBEI PROVINCE
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表 1 涞水古风化壳样品轻稀土分析结果表
Table 1. Analysis results of light REE samples from Laishui paleoweathering crust
样品号 岩性 样品长度/m La Ce Pr Nd Sm Eu RE2O3 SL-1 褐铁矿化粉砂岩 1.0 19.07 33.94 3.65 13.40 1.90 3.85 90.77 SL-2 粉砂质泥岩 1.0 53.95 92.24 10.85 38.33 4.66 1.11 241.09 SL-3 粉砂质泥岩 1.0 142.15 292.17 35.99 143.22 23.81 4.06 768.46 SL-4 粉砂质泥岩 1.0 111.75 252.22 26.69 107.24 19.47 3.36 624.68 SL-5 粉砂质泥岩 1.0 143.69 290.30 34.63 177.38 38.38 5.76 825.03 SL-6 粉砂质泥岩 1.0 76.85 142.69 19.85 79.92 15.97 2.95 404.55 SL-7 粉砂质泥岩 0.5 110.18 213.26 25.62 93.67 14.38 2.40 550.8 含量单位: 10-6.