Geoscience ›› 2018, Vol. 32 ›› Issue (05): 1063-1073.DOI: 10.19657/j.geoscience.1000-8527.2018.05.19
• Applied Geochemistry • Previous Articles Next Articles
LIU Hanliang1,2(), WANG Xueqiu1,2(
), NIE Lanshi1,2, WANG Wei1,2, CHI Qinghua1,2, LIU Dongsheng1,2
Received:
2018-05-11
Revised:
2018-08-29
Online:
2018-10-10
Published:
2018-11-04
CLC Number:
LIU Hanliang, WANG Xueqiu, NIE Lanshi, WANG Wei, CHI Qinghua, LIU Dongsheng. Regional Geochemistry of Niobium and Tantalum Across the Boundary of China and Mongolia in the Altay Metallogenic Belt[J]. Geoscience, 2018, 32(05): 1063-1073.
统计参数 统计单元 | 元素 | 样品数 | 最小值 | 2.5% 分位数 | 25% 分位数 | 50% 分位数 | 75% 分位数 | 97.5% 分位数 | 最大值 | 平均值 | 标准差 |
---|---|---|---|---|---|---|---|---|---|---|---|
全区 | Nb | 2 453 | 0.89 | 6.58 | 11.39 | 13.80 | 17.02 | 29.43 | 85.40 | 14.93 | 6.48 |
Ta | 2 453 | 0.24 | 0.57 | 0.90 | 1.11 | 1.47 | 3.09 | 26.41 | 1.31 | 0.92 | |
中国 | Nb | 1 165 | 0.89 | 5.92 | 9.92 | 12.19 | 15.68 | 27.03 | 69.14 | 13.31 | 5.74 |
Ta | 1 165 | 0.24 | 0.52 | 0.83 | 1.02 | 1.30 | 2.82 | 26.41 | 1.20 | 1.05 | |
蒙古国 | Nb | 1 288 | 4.56 | 9.50 | 12.70 | 14.90 | 18.30 | 30.98 | 85.40 | 16.39 | 6.75 |
Ta | 1 288 | 0.27 | 0.69 | 0.96 | 1.20 | 1.62 | 3.36 | 8.90 | 1.41 | 0.78 | |
阿尔泰构造带 | Nb | 668 | 5.30 | 9.37 | 12.50 | 14.75 | 18.10 | 34.90 | 85.40 | 16.41 | 7.57 |
Ta | 668 | 0.27 | 0.68 | 0.91 | 1.16 | 1.64 | 3.75 | 8.90 | 1.44 | 0.93 | |
阿尔泰南缘弧盆系 | Nb | 357 | 4.15 | 8.04 | 13.05 | 16.08 | 19.30 | 34.54 | 69.14 | 17.25 | 6.99 |
Ta | 357 | 0.24 | 0.59 | 0.94 | 1.17 | 1.53 | 3.39 | 26.41 | 1.43 | 1.60 | |
东西准噶尔弧盆系 | Nb | 1 066 | 2.55 | 6.66 | 10.72 | 13.10 | 15.50 | 23.82 | 70.00 | 13.55 | 4.53 |
Ta | 1 066 | 0.28 | 0.53 | 0.88 | 1.07 | 1.36 | 2.63 | 7.05 | 1.21 | 0.57 | |
准噶尔地块 | Nb | 86 | 5.63 | 6.43 | 8.31 | 9.92 | 11.42 | 28.00 | 45.02 | 10.46 | 4.77 |
Ta | 86 | 0.55 | 0.57 | 0.74 | 0.86 | 1.00 | 1.87 | 2.47 | 0.91 | 0.28 | |
戈壁阿尔泰弧盆系 | Nb | 126 | 7.80 | 10.45 | 13.68 | 16.90 | 21.63 | 35.28 | 71.60 | 18.67 | 7.70 |
Ta | 126 | 0.77 | 0.93 | 1.12 | 1.33 | 1.74 | 3.06 | 4.51 | 1.51 | 0.56 | |
北山—戈壁天山 弧盆系 | Nb | 150 | 0.89 | 2.50 | 8.24 | 10.99 | 15.54 | 25.49 | 52.39 | 11.99 | 6.26 |
Ta | 150 | 0.43 | 0.53 | 0.77 | 1.07 | 1.48 | 3.53 | 8.99 | 1.30 | 1.03 |
Table 1 Geochemical parameters of niobium and tantalum across the boundary of China and Mongolia in the Altay metallogenic belt
统计参数 统计单元 | 元素 | 样品数 | 最小值 | 2.5% 分位数 | 25% 分位数 | 50% 分位数 | 75% 分位数 | 97.5% 分位数 | 最大值 | 平均值 | 标准差 |
---|---|---|---|---|---|---|---|---|---|---|---|
全区 | Nb | 2 453 | 0.89 | 6.58 | 11.39 | 13.80 | 17.02 | 29.43 | 85.40 | 14.93 | 6.48 |
Ta | 2 453 | 0.24 | 0.57 | 0.90 | 1.11 | 1.47 | 3.09 | 26.41 | 1.31 | 0.92 | |
中国 | Nb | 1 165 | 0.89 | 5.92 | 9.92 | 12.19 | 15.68 | 27.03 | 69.14 | 13.31 | 5.74 |
Ta | 1 165 | 0.24 | 0.52 | 0.83 | 1.02 | 1.30 | 2.82 | 26.41 | 1.20 | 1.05 | |
蒙古国 | Nb | 1 288 | 4.56 | 9.50 | 12.70 | 14.90 | 18.30 | 30.98 | 85.40 | 16.39 | 6.75 |
Ta | 1 288 | 0.27 | 0.69 | 0.96 | 1.20 | 1.62 | 3.36 | 8.90 | 1.41 | 0.78 | |
阿尔泰构造带 | Nb | 668 | 5.30 | 9.37 | 12.50 | 14.75 | 18.10 | 34.90 | 85.40 | 16.41 | 7.57 |
Ta | 668 | 0.27 | 0.68 | 0.91 | 1.16 | 1.64 | 3.75 | 8.90 | 1.44 | 0.93 | |
阿尔泰南缘弧盆系 | Nb | 357 | 4.15 | 8.04 | 13.05 | 16.08 | 19.30 | 34.54 | 69.14 | 17.25 | 6.99 |
Ta | 357 | 0.24 | 0.59 | 0.94 | 1.17 | 1.53 | 3.39 | 26.41 | 1.43 | 1.60 | |
东西准噶尔弧盆系 | Nb | 1 066 | 2.55 | 6.66 | 10.72 | 13.10 | 15.50 | 23.82 | 70.00 | 13.55 | 4.53 |
Ta | 1 066 | 0.28 | 0.53 | 0.88 | 1.07 | 1.36 | 2.63 | 7.05 | 1.21 | 0.57 | |
准噶尔地块 | Nb | 86 | 5.63 | 6.43 | 8.31 | 9.92 | 11.42 | 28.00 | 45.02 | 10.46 | 4.77 |
Ta | 86 | 0.55 | 0.57 | 0.74 | 0.86 | 1.00 | 1.87 | 2.47 | 0.91 | 0.28 | |
戈壁阿尔泰弧盆系 | Nb | 126 | 7.80 | 10.45 | 13.68 | 16.90 | 21.63 | 35.28 | 71.60 | 18.67 | 7.70 |
Ta | 126 | 0.77 | 0.93 | 1.12 | 1.33 | 1.74 | 3.06 | 4.51 | 1.51 | 0.56 | |
北山—戈壁天山 弧盆系 | Nb | 150 | 0.89 | 2.50 | 8.24 | 10.99 | 15.54 | 25.49 | 52.39 | 11.99 | 6.26 |
Ta | 150 | 0.43 | 0.53 | 0.77 | 1.07 | 1.48 | 3.53 | 8.99 | 1.30 | 1.03 |
编号 | 面积/ km2 | 样点 数/个 | 极大 值/10-6 | 极小 值/10-6 | 平均 值/10-6 | 中位 值/10-6 | 总体背景 值/10-6 | 异常下 限/10-6 | 离差 | 异常规模/ (km2×10-6) | 规模 排序 | 异常 强度 | 异常 衬度 | 变异 系数 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nb01 | 8 203 | 66 | 69.14 | 14.34 | 24.12 | 20.57 | 13.80 | 18.68 | 10.55 | 197 901 | 2 | 1.75 | 1.29 | 0.44 |
Nb02 | 8 878 | 107 | 85.40 | 10.80 | 24.13 | 20.40 | 13.80 | 18.68 | 12.79 | 214 260 | 1 | 1.75 | 1.29 | 0.53 |
Nb03 | 1 514 | 16 | 76.50 | 14.40 | 26.39 | 22.90 | 13.80 | 18.68 | 14.64 | 39 940 | 6 | 1.91 | 1.41 | 0.55 |
Nb04 | 1 669 | 10 | 28.27 | 15.01 | 20.64 | 20.70 | 13.80 | 18.68 | 4.14 | 34 443 | 7 | 1.50 | 1.10 | 0.20 |
Nb05 | 304 | 4 | 28.54 | 17.55 | 22.81 | 22.58 | 13.80 | 18.68 | 6.01 | 6 928 | 13 | 1.65 | 1.22 | 0.26 |
Nb06 | 324 | 5 | 31.30 | 16.90 | 25.80 | 28.30 | 13.80 | 18.68 | 5.80 | 8 361 | 11 | 1.87 | 1.38 | 0.22 |
Nb07 | 465 | 6 | 34.30 | 13.80 | 22.40 | 22.10 | 13.80 | 18.68 | 7.24 | 10 413 | 10 | 1.62 | 1.20 | 0.32 |
Nb08 | 5 974 | 69 | 39.70 | 14.10 | 21.77 | 21.40 | 13.80 | 18.68 | 4.42 | 130 050 | 3 | 1.58 | 1.17 | 0.20 |
Nb09 | 424 | 4 | 70.00 | 11.80 | 28.05 | 15.20 | 13.80 | 18.68 | 28.01 | 11 893 | 8 | 2.03 | 1.50 | 1.00 |
Nb10 | 2 673 | 34 | 71.60 | 10.50 | 22.37 | 20.55 | 13.80 | 18.68 | 10.39 | 59 793 | 5 | 1.62 | 1.20 | 0.46 |
Nb11 | 3 721 | 45 | 44.30 | 8.70 | 22.62 | 21.60 | 13.80 | 18.68 | 6.40 | 84 187 | 4 | 1.64 | 1.21 | 0.28 |
Nb12 | 443 | 4 | 28.60 | 19.60 | 23.93 | 23.75 | 13.80 | 18.68 | 4.04 | 10 602 | 9 | 1.73 | 1.28 | 0.17 |
Nb13 | 322 | 6 | 52.39 | 11.26 | 25.17 | 22.18 | 13.80 | 18.68 | 14.33 | 8 099 | 12 | 1.82 | 1.35 | 0.57 |
Ta01 | 511 | 4 | 4.92 | 1.31 | 2.92 | 2.74 | 1.11 | 1.72 | 1.61 | 1 493 | 11 | 2.63 | 1.70 | 0.55 |
Ta02 | 4 061 | 34 | 26.41 | 0.56 | 3.04 | 1.76 | 1.11 | 1.72 | 4.69 | 12 352 | 3 | 2.74 | 1.77 | 1.54 |
Ta03 | 312 | 4 | 3.63 | 1.84 | 2.72 | 2.71 | 1.11 | 1.72 | 0.83 | 847 | 13 | 2.45 | 1.58 | 0.30 |
Ta04 | 6 997 | 84 | 8.30 | 0.78 | 2.49 | 2.03 | 1.11 | 1.72 | 1.52 | 17 390 | 2 | 2.24 | 1.45 | 0.61 |
Ta05 | 4 460 | 41 | 5.37 | 1.11 | 2.21 | 1.93 | 1.11 | 1.72 | 0.95 | 9 862 | 4 | 1.99 | 1.29 | 0.43 |
Ta06 | 1 266 | 14 | 8.90 | 1.08 | 2.47 | 1.95 | 1.11 | 1.72 | 1.95 | 3 130 | 7 | 2.23 | 1.44 | 0.79 |
Ta07 | 1 232 | 18 | 3.30 | 1.18 | 1.99 | 2.01 | 1.11 | 1.72 | 0.48 | 2 451 | 8 | 1.79 | 1.16 | 0.24 |
Ta08 | 2 297 | 22 | 7.05 | 0.90 | 2.41 | 2.09 | 1.11 | 1.72 | 1.45 | 5 546 | 5 | 2.18 | 1.40 | 0.60 |
Ta09 | 452 | 6 | 3.44 | 1.34 | 2.32 | 2.18 | 1.11 | 1.72 | 0.82 | 1 046 | 12 | 2.09 | 1.35 | 0.35 |
Ta10 | 9 699 | 113 | 4.70 | 0.97 | 2.13 | 2.04 | 1.11 | 1.72 | 0.69 | 20 691 | 1 | 1.92 | 1.24 | 0.32 |
Ta11 | 1 076 | 15 | 3.24 | 1.18 | 2.11 | 2.01 | 1.11 | 1.72 | 0.55 | 2 266 | 9 | 1.90 | 1.22 | 0.26 |
Ta12 | 1 527 | 20 | 8.99 | 0.61 | 2.46 | 1.70 | 1.11 | 1.72 | 2.08 | 3 753 | 6 | 2.21 | 1.43 | 0.85 |
Ta13 | 1 006 | 12 | 4.31 | 1.01 | 2.16 | 1.94 | 1.11 | 1.72 | 0.92 | 2 171 | 10 | 1.94 | 1.26 | 0.43 |
Table 2 Statistics parameters of niobium and tantalum geochemical anomalies in the Altay metallogenic
编号 | 面积/ km2 | 样点 数/个 | 极大 值/10-6 | 极小 值/10-6 | 平均 值/10-6 | 中位 值/10-6 | 总体背景 值/10-6 | 异常下 限/10-6 | 离差 | 异常规模/ (km2×10-6) | 规模 排序 | 异常 强度 | 异常 衬度 | 变异 系数 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nb01 | 8 203 | 66 | 69.14 | 14.34 | 24.12 | 20.57 | 13.80 | 18.68 | 10.55 | 197 901 | 2 | 1.75 | 1.29 | 0.44 |
Nb02 | 8 878 | 107 | 85.40 | 10.80 | 24.13 | 20.40 | 13.80 | 18.68 | 12.79 | 214 260 | 1 | 1.75 | 1.29 | 0.53 |
Nb03 | 1 514 | 16 | 76.50 | 14.40 | 26.39 | 22.90 | 13.80 | 18.68 | 14.64 | 39 940 | 6 | 1.91 | 1.41 | 0.55 |
Nb04 | 1 669 | 10 | 28.27 | 15.01 | 20.64 | 20.70 | 13.80 | 18.68 | 4.14 | 34 443 | 7 | 1.50 | 1.10 | 0.20 |
Nb05 | 304 | 4 | 28.54 | 17.55 | 22.81 | 22.58 | 13.80 | 18.68 | 6.01 | 6 928 | 13 | 1.65 | 1.22 | 0.26 |
Nb06 | 324 | 5 | 31.30 | 16.90 | 25.80 | 28.30 | 13.80 | 18.68 | 5.80 | 8 361 | 11 | 1.87 | 1.38 | 0.22 |
Nb07 | 465 | 6 | 34.30 | 13.80 | 22.40 | 22.10 | 13.80 | 18.68 | 7.24 | 10 413 | 10 | 1.62 | 1.20 | 0.32 |
Nb08 | 5 974 | 69 | 39.70 | 14.10 | 21.77 | 21.40 | 13.80 | 18.68 | 4.42 | 130 050 | 3 | 1.58 | 1.17 | 0.20 |
Nb09 | 424 | 4 | 70.00 | 11.80 | 28.05 | 15.20 | 13.80 | 18.68 | 28.01 | 11 893 | 8 | 2.03 | 1.50 | 1.00 |
Nb10 | 2 673 | 34 | 71.60 | 10.50 | 22.37 | 20.55 | 13.80 | 18.68 | 10.39 | 59 793 | 5 | 1.62 | 1.20 | 0.46 |
Nb11 | 3 721 | 45 | 44.30 | 8.70 | 22.62 | 21.60 | 13.80 | 18.68 | 6.40 | 84 187 | 4 | 1.64 | 1.21 | 0.28 |
Nb12 | 443 | 4 | 28.60 | 19.60 | 23.93 | 23.75 | 13.80 | 18.68 | 4.04 | 10 602 | 9 | 1.73 | 1.28 | 0.17 |
Nb13 | 322 | 6 | 52.39 | 11.26 | 25.17 | 22.18 | 13.80 | 18.68 | 14.33 | 8 099 | 12 | 1.82 | 1.35 | 0.57 |
Ta01 | 511 | 4 | 4.92 | 1.31 | 2.92 | 2.74 | 1.11 | 1.72 | 1.61 | 1 493 | 11 | 2.63 | 1.70 | 0.55 |
Ta02 | 4 061 | 34 | 26.41 | 0.56 | 3.04 | 1.76 | 1.11 | 1.72 | 4.69 | 12 352 | 3 | 2.74 | 1.77 | 1.54 |
Ta03 | 312 | 4 | 3.63 | 1.84 | 2.72 | 2.71 | 1.11 | 1.72 | 0.83 | 847 | 13 | 2.45 | 1.58 | 0.30 |
Ta04 | 6 997 | 84 | 8.30 | 0.78 | 2.49 | 2.03 | 1.11 | 1.72 | 1.52 | 17 390 | 2 | 2.24 | 1.45 | 0.61 |
Ta05 | 4 460 | 41 | 5.37 | 1.11 | 2.21 | 1.93 | 1.11 | 1.72 | 0.95 | 9 862 | 4 | 1.99 | 1.29 | 0.43 |
Ta06 | 1 266 | 14 | 8.90 | 1.08 | 2.47 | 1.95 | 1.11 | 1.72 | 1.95 | 3 130 | 7 | 2.23 | 1.44 | 0.79 |
Ta07 | 1 232 | 18 | 3.30 | 1.18 | 1.99 | 2.01 | 1.11 | 1.72 | 0.48 | 2 451 | 8 | 1.79 | 1.16 | 0.24 |
Ta08 | 2 297 | 22 | 7.05 | 0.90 | 2.41 | 2.09 | 1.11 | 1.72 | 1.45 | 5 546 | 5 | 2.18 | 1.40 | 0.60 |
Ta09 | 452 | 6 | 3.44 | 1.34 | 2.32 | 2.18 | 1.11 | 1.72 | 0.82 | 1 046 | 12 | 2.09 | 1.35 | 0.35 |
Ta10 | 9 699 | 113 | 4.70 | 0.97 | 2.13 | 2.04 | 1.11 | 1.72 | 0.69 | 20 691 | 1 | 1.92 | 1.24 | 0.32 |
Ta11 | 1 076 | 15 | 3.24 | 1.18 | 2.11 | 2.01 | 1.11 | 1.72 | 0.55 | 2 266 | 9 | 1.90 | 1.22 | 0.26 |
Ta12 | 1 527 | 20 | 8.99 | 0.61 | 2.46 | 1.70 | 1.11 | 1.72 | 2.08 | 3 753 | 6 | 2.21 | 1.43 | 0.85 |
Ta13 | 1 006 | 12 | 4.31 | 1.01 | 2.16 | 1.94 | 1.11 | 1.72 | 0.92 | 2 171 | 10 | 1.94 | 1.26 | 0.43 |
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