Distribution, occurrence and exploration prospect of associated rare earth elements in Yichang phosphate deposit, Hubei Province
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摘要:
研究目的 湖北省宜昌磷矿中伴生有稀土元素，研究其分布规律及赋存状态，对稀土元素的回收利用具有重要意义，其作为伴生矿产的综合利用将成为未来稀土矿的重要来源。
研究方法 本文以含稀土磷块岩为主要研究对象，在系统取样的基础上，开展岩矿鉴定、全岩地球化学分析、XRD衍射分析、SEM观察、LA−ICP−MS测试等工作。
研究结果 磷块岩中稀土元素总量ΣREE+Y为63.5×10−6~271.8×10−6，不同层位或不同岩性的磷块岩中稀土元素含量有所差异。
结论 稀土元素含量受岩性控制明显，由白云岩→白云质磷块岩→致密块状磷矿石→泥质条带磷块岩→泥岩，含量逐渐升高。微量元素反映出宜昌磷矿的古气候以干热为主，西北部略表现出温暖湿润特点；Ce异常、V/Ni和Y/Ho比值反映海水中EH条件从底部到顶部，即从Ph22成磷期到Ph13成磷期，形成水体环境逐渐氧化。宜昌磷矿中稀土元素总量整体较低，且泥岩较磷块岩中含量高，表明吸附态稀土较类质同象稀土含量高。宜昌伴生稀土磷矿资源丰富，利用合理的技术对稀土元素进行综合回收，对宜昌磷矿资源的合理利用和经济发展有重要意义。
Abstract:This paper is the result of mineral exploration engineering.
Objective The Yichang phosphate ore in Hubei Province contains associated rare earth elements. Studying their distribution patterns and occurrence states is of significant importance for the recycling and utilization of rare earth elements. Additionally, the comprehensive utilization of associated minerals is expected to become a crucial source for future rare earth ores.
Methods This study primarily focuses on rare earth−containing phosphate rocks. Based on systematic sampling, analyses including rock and mineral identification, whole−rock geochemical analysis, XRD diffraction analysis, SEM observation, and LA−ICP−MS testing are carried out.
Results The total rare earth element content (ΣREE+Y) in phosphate rock ranges from 63.5×10−6 to 271.8×10−6. There are variations in rare earth element contents among different layers or rock types of phosphate rock.
Conclusions The content of rare earth elements is notably controlled by rock types, with an increase from dolomite → dolomitic phosphorite → dense massive phosphorite → argillaceous banded phosphorite to mudstone. Trace elements compositions reflect the ancient climate of the Yichang phosphate deposits, characterized mainly by a dry and hot climate, with a slightly warm and humid characteristic in the northwest. Ce anomaly, V/Ni and Y/Ho ratio reflect the oxidation of seawater conditions from the bottom to the top, corresponding to the the Ph22 to the Ph13 phosphogenesis periods. The total rare earth elements content in the Yichang phosphate deposit are relatively low, and mudstone has higher content compared to phosphate rocks, indicating a higher concentration of adsorbed rare earth elements than the isomorphic rare earth elements. The rare earth resources associated with the Yichang phosphate deposit can be comprehensively recovered using appropriate technologies, holding significant importance for the rational utilization of the Yichang phosphate ore resources and economic development.
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图 1 宜昌磷矿区域地质构造图（据刘林和蔡雄威, 2018修改）
Figure 1.
图 2 宜昌磷矿含磷岩系柱状图（据杨刚忠等, 2008修改）
Figure 2.
图 3 鄂西陡山沱期岩相古地理图（据杨刚忠等, 2010修改）
Figure 3.
图 11 磷块岩样品稀土元素PAAS标准化配分图（PAAS标准化数据据Taylor and McLennan, 1985）
Figure 11.
图 12 胶磷矿、磷灰石和方解石稀土元素球粒陨石标准化配分图（球粒陨石标准化数据据Sun and McDonough,1989）
Figure 12.
表 1 X衍射分析结果
Table 1. XRD analysis results
样品编号 岩性 分析结果 X−SQH1 硅质泥岩 石英（约36%），黄铁矿（约3%），长石（约41%） ，伊利石（约18%），白云石（约2%） X−JN0 含磷硅质泥岩 磷灰石（约77%） ，石英（约12%），黄铁矿（约1%），长石（约10%） X−XSC1 含磷硅质泥岩 磷灰石（约34%），石英（约38%），黄铁矿（约1%） ，长石（约21%），伊利石（约5%），方解石（约1%） X−WW1 泥质条带磷块岩 磷灰石（约78%） ，石英（约8%），黄铁矿（约1%），长石（约11%），伊利石（极少），白云石（约2%） X−HP1 含磷硅质泥岩 磷灰石（约30%），石英（约14%），黄铁矿（约2%），长石（约44%），伊利石（约6%），白云石（约4%） X−HP4 泥质条带状磷块岩 磷灰石（约89%） ，石英（约2%），长石（约6%），白云石（约3%） 
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表 2 磷矿石主量元素测试结果（%）
Table 2. The major elements data (%) of phosphate rock
样品编号 矿石类型 P2O5 SiO2 Al2O3 Fe2O3 CaO MgO K2O Na2O SO3 DX2 致密条带状磷矿石 32.20 7.95 1.68 0.76 46.90 1.06 1.18 0.67 2.17 SSY2 致密条带状磷矿石 35.90 0.50 0.05 0.13 53.20 1.52 0.01 0.51 1.17 WW3 致密条带状磷矿石 25.70 8.45 1.18 0.66 43.10 5.24 0.38 0.36 1.79 TSH2 致密条带磷矿石 35.30 5.61 0.51 0.27 50.70 0.38 0.36 0.57 1.43 HP2 致密块状磷矿石 33.10 7.31 1.58 0.99 47.40 0.79 1.26 0.75 2.59 SQH3 致密块状磷矿石 31.30 11.80 1.66 1.73 44.60 0.54 0.79 0.71 4.32 YLX3 致密块状磷矿石 34.10 5.80 1.04 0.73 49.80 0.56 0.20 0.85 2.15 JN2 砂屑胶磷矿石 32.00 9.05 1.45 2.66 45.50 0.46 0.59 0.63 6.19 WW2 泥质条纹状磷矿石 27.50 16.90 3.39 1.10 39.50 1.36 1.95 0.44 2.53 XSC2 泥质条纹状磷矿石 32.30 11.04 1.17 1.18 45.80 0.25 0.14 1.04 3.22 DX1 泥质条带状磷矿石 27.90 17.12 3.66 1.52 39.70 0.58 2.08 0.89 3.66 HP3 泥质条带状磷矿石 20.80 28.01 7.03 2.12 29.40 0.52 5.62 0.61 4.76 HP4 泥质条带状磷矿石 16.75 31.61 9.83 3.05 23.50 1.04 6.15 0.51 6.42 TSH1 泥质条带状磷矿石 19.15 24.88 5.16 3.81 29.50 2.05 3.63 0.44 8.42 WW1 泥质条带状磷矿石 25.90 19.31 4.77 1.76 36.30 1.08 2.89 0.54 3.84 YLX2 泥质条带状磷矿石 25.50 21.77 2.64 1.16 37.70 0.54 0.80 1.01 3.49 JN1 白云质条带磷矿石 24.20 7.21 0.99 0.90 43.10 5.66 0.36 0.62 2.56 SSY1 白云质条带磷矿石 22.20 4.31 0.11 0.24 43.20 8.48 0.02 0.22 0.67 SSY3 白云质条带磷矿石 25.50 9.62 2.20 0.95 42.20 4.62 1.15 0.42 0.72 DX3 白云质磷块岩 21.70 6.38 1.33 0.70 41.40 7.63 0.68 0.61 1.60 HP5 白云质磷块岩 18.00 9.32 1.64 0.84 37.90 8.81 1.10 0.36 1.90 TSH3 白云质磷块岩 20.80 19.01 0.66 0.52 37.60 5.75 0.48 0.26 1.23 XSC3 白云质磷块岩 30.00 6.97 1.12 0.70 46.60 2.54 0.15 0.98 2.05 XSC4 白云质磷块岩 16.75 10.54 0.51 0.69 39.40 7.89 0.10 0.50 2.00
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表 3 磷矿石微量元素测试结果（10−6）及有关比值
Table 3. The trace elements data (10−6) and rations of phosphate rock
样品编号 矿石类型 V Cr Co Ni Cu As Rb Sr Zr Nb Cd Sb Ba Hf Pb Th U U/Th Rb/Sr Sr/Cu Sr/Ba JN1 白云质条带
磷矿石18 12 1.2 3.1 5.5 17.2 10.7 996 26 2.4 0.11 0.16 590 0.6 4.5 0.97 4.83 4.98 0.011 181.1 1.7 SSY1 11 4 1.3 0.8 3.8 13.7 0.2 384 3 0.3 0.03 0.11 42.7 0.1 3.2 0.21 3.67 17.48 0.001 101.1 9.0 SSY3 21 26 1.6 3.9 9.9 22.6 16.9 924 48 4.2 0.03 0.14 263 1.2 7.1 1.77 6.09 3.44 0.018 93.3 3.5 XSC3 10 9 1.1 2.4 3.2 17.6 3.3 1115 66 2.9 0.14 0.06 1045 1.5 2.4 0.95 2.55 2.68 0.003 348.4 1.1 XSC4 9 6 1.0 3.7 6.3 16.6 2.3 812 19 1.4 0.08 0.08 2440 0.5 2.2 0.56 2.63 4.70 0.003 128.9 0.3 HP5 20 12 1.5 4.9 7.6 18.4 16.9 565 55 5.3 0.10 0.17 505 1.3 4.0 1.62 7.48 4.62 0.03 74.3 1.1 TSH3 10 11 1.2 3.6 4.5 13.0 4.6 321 17 1.3 0.02 0.13 84.8 0.4 2.9 0.56 5.09 9.09 0.014 71.3 3.8 DX3 13 10 1.9 2.9 4.6 15.0 8.9 821 32 3.1 0.03 0.21 540 0.7 6.2 1.12 5.87 5.24 0.011 178.5 1.5 WW3 致密块状
磷矿石11 11 1.6 4.9 4.1 17.8 8.9 717 35 2.7 0.05 0.15 2830 0.8 4.9 1.37 4.46 3.26 0.012 174.9 0.3 DX2 12 14 1.7 7.7 3.9 17.3 15.6 1165 42 3.5 0.06 0.16 1535 0.9 8.9 1.37 3.39 2.47 0.013 298.7 0.8 SSY2 12 7 1.3 0.3 5.8 12.6 0.2 1010 6 0.4 0.04 0.11 79.5 0.1 2.3 0.26 7.18 27.62 0.000 174.1 12.7 TSH2 7 23 1.5 5.7 28.6 17.9 3.3 1150 17 1.3 0.05 0.19 86.0 0.3 3.7 0.62 5.22 8.42 0.003 40.2 13.4 SQH3 24 20 1.5 4.6 5.0 28.7 19.3 1145 49 3.3 0.07 0.26 843 1.0 7.8 1.51 3.39 2.25 0.017 229.0 1.4 YLX3 9 10 1.1 3.1 3.6 17.8 5.8 1120 40 3.2 0.10 0.09 298 0.8 2.7 0.96 3.22 3.35 0.005 311.1 3.8 HP2 15 14 1.6 8.4 5.0 21.6 10.6 906 36 3.3 0.05 0.09 1000 0.8 8.9 1.18 2.45 2.08 0.012 181.2 0.9 JN2 17 19 1.2 3.4 5.1 24.3 21.1 1260 44 3.0 0.10 0.21 841 1.0 10.9 1.39 2.91 2.09 0.017 247.1 1.5 XSC2 泥质条带状
磷矿石8 12 1.2 3.3 4.8 18.9 3.9 1340 36 2.2 0.21 0.08 1515 0.8 3.1 1.01 2.89 2.86 0.003 279.2 0.9 WW2 23 29 1.8 7.6 5.7 13.4 28.8 797 65 6.1 0.08 0.13 839 1.5 6.3 2.69 4.45 1.65 0.036 139.8 1.0 YLX2 20 15 2.0 9.8 4.7 14.3 19.4 1005 45 2.9 0.36 0.09 6300 1.0 3.1 1.58 2.46 1.56 0.019 213.8 0.2 WW1 30 26 12.2 61.1 37.3 33.5 31.9 739 145 11.0 0.05 0.37 419 3.4 61 4.24 3.43 0.81 0.043 19.8 1.8 HP3 40 32 4.0 34.4 15.7 28.5 42.3 632 134 13.3 0.08 0.27 686 4.2 25.8 6.92 2.83 0.41 0.067 40.3 0.9 HP4 40 30 3.5 18.4 14 24.3 71.7 489 349 32.8 0.04 0.36 429 8.5 15.9 8.36 2.43 0.29 0.147 34.9 1.1 TSH1 62 43 23.3 91.9 103.5 72.1 40.4 572 90 8.2 0.14 1.35 141 2.2 44 3.18 7.50 2.36 0.071 5.5 4.1 DX1 26 25 2.8 14.2 8.3 18.6 28.7 1015 63 5.2 0.07 0.27 1180 1.4 17.4 2.65 2.76 1.04 0.028 122.3 0.9 地壳丰度* 143 127 24.7 8.13 56 2.03 108 382 148 18.3 0.18 0.51 463 4.5 14 7.6 2.07 / / / / 注：*地壳丰度数据：黎彤, 1992，地壳元素丰度的若干统计特征。
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表 4 Ph13磷矿层稀土元素测试结果（10−6）及有关比值
Table 4. REE+Y data (10−6) and rations of Ph13 phosphate layer
编号 SQH2 SQH3 JN1 JN2 XSC2 YLX2 YLX3 WW1 WW2 WW3 HP2 HP3 HP4 DX1 DX2 DX3 岩性 泥质
条带
磷块岩致密
块状
磷矿石白云
质条
带磷
矿石砂屑
胶磷
矿石泥质
条纹
状磷
矿石泥质
条带
状磷
矿石致密
块状
磷矿石泥质
条带
状磷
矿石泥质
条纹
状磷
矿石致密
条带
状磷
矿石致密
块状
磷矿石泥质
条带
磷矿石泥质
条带
状磷
矿石泥质
条带
状磷
矿石致密
条带
状磷
矿石白云
质磷
块岩La 20.70 18.80 12.70 21.60 16.70 24.30 9.80 42.10 29.30 17.80 11.70 22.20 27.90 34.50 17.10 10.80 Ce 45.10 38.50 29.70 46.60 32.20 46.30 20.20 90.00 59.30 36.60 26.30 47.10 61.40 60.70 34.90 22.30 Pr 5.39 5.01 3.78 6.15 3.95 5.78 2.53 11.40 7.70 4.55 3.33 6.09 7.92 7.45 4.55 2.85 Nd 23.40 20.10 16.60 26.50 16.10 21.40 10.70 46.60 34.50 18.50 14.40 24.50 32.50 29.60 19.10 12.30 Sm 4.82 4.63 3.68 5.86 3.47 4.04 2.22 9.38 7.20 4.20 3.02 5.46 7.13 5.65 3.91 2.57 Eu 0.91 0.99 0.72 1.19 0.90 1.03 0.41 1.93 1.47 0.81 0.59 0.86 1.20 1.89 0.73 0.46 Gd 4.06 4.35 3.34 5.47 3.36 3.58 1.95 8.29 6.55 3.78 2.82 5.05 6.59 4.93 3.32 2.27 Tb 0.61 0.62 0.49 0.79 0.47 0.52 0.29 1.27 0.94 0.52 0.42 0.82 1.10 0.71 0.48 0.33 Dy 3.35 3.55 2.65 4.59 2.62 3.00 1.63 7.33 5.37 2.96 2.39 4.83 6.90 3.95 2.74 1.87 Ho 0.71 0.71 0.54 0.91 0.51 0.58 0.33 1.39 1.04 0.58 0.48 0.99 1.43 0.76 0.53 0.36 Er 1.88 1.79 1.34 2.27 1.28 1.46 0.84 3.48 2.63 1.45 1.18 2.61 4.06 1.88 1.30 0.92 Tm 0.28 0.23 0.18 0.30 0.17 0.18 0.11 0.50 0.33 0.19 0.16 0.38 0.60 0.24 0.17 0.12 Yb 1.78 1.32 1.05 1.64 0.99 1.06 0.67 2.85 1.93 1.10 0.94 2.35 3.82 1.40 0.98 0.72 Lu 0.27 0.19 0.15 0.23 0.14 0.16 0.10 0.42 0.28 0.16 0.14 0.35 0.57 0.20 0.14 0.11 Y 20.00 23.70 18.50 31.10 18.20 18.70 10.70 40.10 33.70 19.50 15.70 28.30 39.50 25.40 17.20 11.80 REE+Y 133.00 124.00 95.40 155.00 101.00 132.00 62.50 267.00 192.00 113.00 83.60 152.00 203.00 179.00 107.00 69.80 La/La* 1.20 0.95 1.09 1.07 1.11 0.91 1.12 1.00 1.32 1.03 1.09 0.93 0.94 1.15 1.07 1.17 Ce/Ce* 1.00 0.94 1.02 0.96 0.92 0.91 0.95 0.97 0.93 0.95 1.00 0.96 0.98 0.86 0.93 0.95 Eu/Eu* 0.97 1.04 0.97 0.99 1.24 1.27 0.93 1.03 1.01 0.96 0.95 0.77 0.82 1.69 0.95 0.90 (La/Nd)N 0.79 0.83 0.68 0.72 0.92 1.01 0.81 0.80 0.75 0.85 0.72 0.80 0.76 1.03 0.79 0.78 (La/Nd)N 0.79 0.83 0.68 0.72 0.92 1.01 0.81 0.80 0.75 0.85 0.72 0.80 0.76 1.03 0.79 0.78 V/Ni 2.28 5.22 5.81 5.00 2.42 2.04 2.90 0.49 3.03 2.24 1.79 1.16 2.17 1.83 1.56 4.48 Ni/Co 5.75 3.07 2.58 2.83 2.75 4.90 2.82 5.01 4.22 3.06 5.25 8.60 5.26 5.07 4.53 1.53 Y/Ho 28.17 33.38 34.26 34.18 35.69 32.24 32.42 28.85 32.40 33.62 32.71 28.59 27.62 33.42 32.45 32.78 注：La/La* = [La/(3×Pr−2×Nd)]N, Ce/Ce* = [3×Ce/(2×La+Pr)]N, Eu/Eu* = [2×Eu/(Sm+Gd)]N。
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表 5 Ph22磷矿层及围岩稀土元素测试结果（10−6）及有关比值
Table 5. REE+Y data (10−6) and rations of Ph22 phosphate layer and surrounding rocks
编号 TSH1 TSH2 TSH3 SSY1 SSY2 SSY3 SQH4 JN3 XSC3 XSC4 YLX4 HP5 SQH1 JN0 XSC1 YLX1 HP1 岩性 泥质
条带
状磷
矿石致密
条带
磷矿石白云
质磷
块岩致密
条带
状磷
矿石致密
条带
状磷
矿石白云
质条
带磷
矿石白云岩 白云岩 白云岩 白云岩 白云岩 白云岩 泥岩 泥岩 泥岩 泥岩 泥岩 La 25.80 20.00 11.30 3.50 11.10 16.10 1.70 1.90 9.10 8.10 5.00 11.30 46.20 25.50 26.00 37.40 25.10 Ce 38.60 30.50 18.50 5.50 16.40 24.40 3.20 4.20 19.50 15.40 9.90 23.20 79.50 52.00 51.80 87.80 49.60 Pr 6.90 5.72 2.84 0.89 2.87 4.46 0.45 0.56 2.40 1.81 1.15 2.93 8.03 6.56 6.86 11.90 6.09 Nd 29.60 25.60 11.90 3.90 12.70 19.70 1.90 2.30 9.50 7.50 4.80 12.40 25.30 26.70 26.40 48.30 24.60 Sm 6.30 5.92 2.44 0.83 2.89 4.37 0.44 0.47 2.16 1.61 0.97 2.51 4.45 5.52 5.37 10.13 4.82 Eu 1.40 1.39 0.60 0.23 0.68 0.94 0.02 0.07 0.44 0.30 0.17 0.45 0.64 1.11 0.96 1.84 1.02 Gd 6.53 7.04 2.61 1.08 3.38 4.79 0.41 0.40 1.97 1.53 0.88 2.32 4.26 4.67 4.60 8.28 4.19 Tb 1.02 1.19 0.41 0.16 0.52 0.74 0.06 0.06 0.27 0.21 0.13 0.33 0.79 0.71 0.70 1.27 0.66 Dy 5.91 6.67 2.29 0.92 3.07 4.40 0.36 0.34 1.48 1.19 0.73 1.93 5.19 3.86 4.21 7.08 3.85 Ho 1.18 1.41 0.43 0.19 0.64 0.91 0.07 0.07 0.29 0.24 0.15 0.38 1.15 0.80 0.83 1.33 0.76 Er 3.03 3.42 1.04 0.46 1.62 2.33 0.19 0.20 0.75 0.63 0.37 0.99 3.40 2.10 2.25 3.38 2.05 Tm 0.40 0.44 0.13 0.06 0.21 0.32 0.03 0.03 0.10 0.09 0.05 0.14 0.51 0.30 0.33 0.48 0.30 Yb 2.34 2.40 0.71 0.32 1.11 1.91 0.22 0.19 0.64 0.58 0.31 0.85 3.44 1.91 2.12 3.02 1.86 Lu 0.33 0.33 0.10 0.05 0.15 0.27 0.04 0.03 0.10 0.09 0.05 0.13 0.54 0.29 0.33 0.48 0.29 Y 43.70 59.00 20.20 8.70 28.60 37.00 2.40 2.40 9.70 8.30 5.20 12.50 31.40 22.80 23.70 35.40 21.20 REE+Y 173.04 171.03 75.50 26.79 85.94 122.64 11.49 13.22 58.40 47.58 29.86 72.36 214.80 154.83 156.46 258.09 146.39 La/La* 1.13 1.21 1.13 1.27 1.29 1.19 1.09 0.91 0.93 1.23 1.22 1.12 0.98 1.02 0.88 0.82 1.06 Ce/Ce* 0.68 0.68 0.76 0.73 0.68 0.68 0.86 0.97 0.98 0.92 0.95 0.95 0.90 0.94 0.91 1.00 0.93 Eu/Eu* 1.02 1.00 1.11 1.12 1.01 0.96 0.22 0.76 1.00 0.90 0.87 0.88 0.69 1.03 0.91 0.95 1.07 (La/Nd)N 0.77 0.69 0.84 0.80 0.78 0.73 0.79 0.73 0.85 0.96 0.92 0.81 1.62 0.85 0.87 0.69 0.91 (La/Nd)N 0.67 1.23 2.78 13.75 40.00 5.38 2.00 - 4.17 2.43 1.71 4.08 V/Ni 25.80 20.00 11.30 3.50 11.10 16.10 1.70 1.90 9.10 8.10 5.00 11.30 46.20 25.50 26.00 37.40 25.10 Ni/Co 38.60 30.50 18.50 5.50 16.40 24.40 3.20 4.20 19.50 15.40 9.90 23.20 79.50 52.00 51.80 87.80 49.60 Y/Ho 6.90 5.72 2.84 0.89 2.87 4.46 0.45 0.56 2.40 1.81 1.15 2.93 8.03 6.56 6.86 11.90 6.09 注：La/La* = [La/(3×Pr−2×Nd)]N, Ce/Ce* = [3×Ce/(2×La+Pr)]N, Eu/Eu* = [2×Eu/(Sm+Gd)]N。
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表 6 磷矿石LA−ICP−MS测试结果（10−6）
Table 6. LA−ICP−MS test results (10−6) of phosphate rock
样品编号 矿物名称 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Sc Y REE+Y D-WW1-1 胶磷矿 25.59 52.99 6.62 26.10 4.51 1.06 4.83 0.56 3.37 0.58 1.77 0.17 0.99 0.12 0.70 20.15 150.09 D-WW1-2 胶磷矿 25.45 51.36 6.62 25.41 5.05 1.18 4.44 0.50 3.04 0.56 1.56 0.19 0.80 0.11 0.77 19.30 146.33 D-WW1-3 胶磷矿 25.41 52.75 6.05 26.08 4.68 1.25 3.44 0.58 3.69 0.74 1.45 0.19 0.96 0.07 0.83 20.60 148.77 D-WW1-4 方解石 1.46 1.77 0.11 2.21 − 0.11 0.34 0.06 0.22 − − − 0.54 − − 1.73 8.55 D-WW1-5 方解石 0.22 1.81 0.12 0.31 0.42 − − − 0.23 − 0.59 0.00 − − 2.00 2.23 7.93 D-WW1-6 方解石 0.22 1.32 0.19 − − 0.17 − − − − − 0.19 0.43 − − 0.65 3.17 D-WW1-7 磷灰石 40.35 83.41 10.61 41.84 9.19 1.84 6.51 0.83 4.95 0.92 2.73 0.35 1.52 0.26 1.63 35.86 242.81 D-WW1-8 磷灰石 55.05 111.24 14.45 55.95 10.92 2.41 11.30 1.47 7.86 1.44 4.00 0.47 3.16 0.32 2.03 49.36 331.45 D-WW1-9 磷灰石 59.15 121.81 15.28 58.49 12.53 2.67 10.98 1.40 9.07 1.59 4.30 0.48 2.83 0.35 1.90 56.99 359.83 D-HP4-1 磷灰石 35.13 63.64 7.91 28.72 5.02 1.01 4.07 0.45 3.13 0.55 1.55 0.16 0.71 0.05 0.85 16.47 169.44 D-HP4-2 胶磷矿 30.80 57.15 7.61 25.00 5.46 1.10 4.25 0.64 3.85 0.71 1.67 0.16 1.12 0.11 2.05 17.23 158.90 D-HP4-3 磷灰石 37.07 69.33 9.02 31.80 6.63 1.42 5.26 0.74 4.30 0.70 1.93 0.27 1.31 0.13 2.61 18.94 191.47 D-HP4-4 磷灰石 40.54 89.30 10.72 38.31 7.40 1.94 6.18 0.73 5.00 0.89 2.18 0.18 1.46 0.14 2.67 24.89 232.53 D-HP4-5 磷灰石 54.09 84.53 12.58 44.97 8.28 2.37 8.44 1.11 7.02 1.11 2.84 0.52 2.45 0.36 5.72 34.57 270.96 D-HP4-6 磷灰石 46.39 74.64 10.00 34.47 6.38 1.50 4.26 0.71 3.15 0.62 1.79 0.22 0.87 0.13 1.55 19.52 206.21 D-HP4-7 磷灰石 48.39 78.86 10.37 33.98 5.77 1.61 5.02 0.67 4.05 0.70 1.55 0.22 1.39 0.10 1.92 19.51 214.11 D-DX1-1 磷灰石 13.75 23.55 2.82 11.36 2.40 0.51 2.90 0.23 1.94 0.33 0.98 0.09 0.49 0.09 0.52 12.82 74.77 D-DX1-2 磷灰石 21.13 32.86 3.80 16.04 2.92 0.65 2.72 0.26 2.04 0.42 1.31 0.09 1.02 0.12 0.95 16.91 103.26 D-DX1-3 磷灰石 43.31 63.43 8.10 35.23 6.54 1.52 6.44 0.84 5.31 0.96 3.10 0.33 1.67 0.20 1.48 38.74 217.22 D-DX1-4 磷灰石 9.78 17.03 2.29 9.04 2.10 0.45 1.73 0.23 1.37 0.26 0.93 0.06 0.61 0.03 1.17 9.43 56.50
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