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Soil anomaly characteristics and ore-search prospects in Yongshan area of Leping City, Jiangxi Province |
Kai LI, Huan WAN |
Geological Survey Institute of Jiangxi Province, Nanchang 330030, China |
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Abstract The Yongshan area of Leping City belongs to the front of the tower in the east section of the Qinhang metallogenic belt-Fuchun copper polymetallic ore-forming belt. Based on 1:10,000 soil geochemical survey in this area, the authors analyzed elemental geochemical characteristics, single element anomaly characteristics and elemental combination characteristics. In combination with the geological background of mineralization, a total of 18 comprehensive anomalies were identified, and the comprehensive anomalies were classified and evaluated. Preferably, 3 better anomalies were verified in detail. The surface exploration trough revealed 2 new gold (chemical) sites, 2 gold orebodies and 2 gold mineralized bodies, thus obtaining a good ore prospecting effect. It is believed that the ore-search prospects in the area are good, and a skarn-type copper deposit is expected to be found. This area is the favorable area for finding ductile shear gold deposit.
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Received: 15 November 2018
Published: 31 May 2019
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Geological map of Yongshan area in Leping City
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统计参数 | Au | Ag | As | Sb | Hg | Cu | Pb | Zn | W | Mo | 最大值 | 133 | 3.37 | 1010 | 104 | 0.74 | 353 | 2340 | 1800 | 28.8 | 7.81 | 最小值 | 0.3 | 0.023 | 1 | 0.21 | 0.01 | 3.5 | 12 | 22 | 0.58 | 0.3 | 平均值 | 3.5 | 0.094 | 21.61 | 1.91 | 0.077 | 36.1 | 43.3 | 82.6 | 2.12 | 0.98 | 平均值(剔除均值 ±3倍标准方差后) | 2.3 | 0.070 | 13.16 | 1.36 | 0.073 | 35.28 | 33.62 | 75.76 | 1.97 | 0.96 | 标准离差 | 0.80 | 0.018 | 5.44 | 0.55 | 0.020 | 8.75 | 7.98 | 19.95 | 0.59 | 0.25 | 变化系数 | 1.71 | 1.91 | 1.76 | 1.75 | 0.45 | 0.34 | 2.19 | 0.87 | 0.56 | 0.36 | 江西省背景 | 1.37 | 0.0846 | 11.38 | 1.04 | 0.0671 | 19.8 | 29.6 | 65.2 | 2.79 | 0.66 | 中国大陆岩 石圈丰度 | 1.76 | 0.040 | 1.2 | 0.11 | 0.075 | 38.8 | 6.15 | 72.4 | 1.18 | 0.87 | 富集系数 | 1.68 | 0.83 | 1.16 | 1.31 | 1.09 | 1.78 | 1.14 | 1.16 | 0.71 | 1.44 | 浓集系数 | 1.31 | 1.75 | 10.97 | 12.36 | 0.97 | 0.91 | 5.47 | 1.05 | 1.67 | 1.09 | 取标准差倍数 | 1.75 | 2 | 2 | 1.5 | 2 | 1.5 | 2 | 1.5 | 1.75 | 2 | 计算异常下限 | 3.7 | 0.11 | 24 | 2.17 | 0.11 | 48.5 | 50 | 105 | 3 | 1.5 | 本次使用异常下限 | 3.5 | 0.10 | 20 | 2.0 | 0.10 | 40 | 50 | 95 | 2.5 | 1.2 |
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Statistical table on soil geochemistry of Yongshan area in Leping City
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R-shaped cluster analysis of soil geochemical elements of Yongshan area in Leping City
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Integrated soil geochemical abnormality of Yongshan area in Leping City
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编号 | 主成矿元素 | | 综合异常 | | 主成矿元素异常 | | 浓度分带 | | 伴生元素 | | 成矿地质条件 | | ΣNAP值 | | 评序结果 | 元素 | NAP值 | 面积 /km2 | 得分 | 面积 | 合计 | 得分 | 分带 | 得分 | 个数 | 得分 | 优劣 | 得分 | ΣNAP | 得分 | 总分 | 名次 | TR1 | Au | 16.38 | | 0.04 | 4 | | 1.20 | 7.99 | 16 | | 3 | 10 | | 6 | 6 | | 好 | 8 | | 149.39 | 18 | | 92 | 2 | | Ag | 19.24 | | | | | 1.85 | | | | 3 | 10 | | | | | | | | | | | | | | Cu | 14.74 | | | | | 4.08 | | | | 3 | 10 | | | | | | | | | | | | | | W | 3.45 | | | | | 0.86 | | | | 3 | 10 | | | | | | | | | | | | | TR2 | Au | 9.59 | | 0.11 | 14 | | 1.20 | 7.99 | 16 | | 3 | 10 | | 6 | 6 | | 好 | 8 | | 142.16 | 17 | | 96 | 1 | | Ag | 33.67 | | | | | 1.85 | | | | 3 | 10 | | | | | | | | | | | | | | Cu | 7.69 | | | | | 4.08 | | | | 2 | 5 | | | | | | | | | | | | | | W | 3.41 | | | | | 0.86 | | | | 3 | 10 | | | | | | | | | | | | | TR3 | W | 0.78 | | 0.06 | 10 | | 0.13 | 0.13 | 4 | | 2 | 5 | | 2 | 2 | | 较差 | 2 | | 0.94 | 4 | | 27 | 14 | TR4 | W | 4.37 | | 0.07 | 11 | | 2.72 | 2.72 | 10 | | 2 | 5 | | 3 | 3 | | 一般 | 4 | | 32.56 | 13 | | 46 | 9 | TR5 | Au | 8.36 | | 0.13 | 16 | | 2.95 | 3.76 | 12 | | 3 | 10 | | 2 | 2 | | 较好 | 6 | | 32.16 | 11 | | 58 | 5 | | Ag | 0.78 | | | | | 0.81 | | | | 1 | 1 | | | | | | | | | | | | | TR6 | Au | 3.55 | | 0.04 | 5 | | 2.32 | 2.60 | 9 | | 1 | 1 | | 2 | 2 | | 较差 | 2 | | 3.98 | 6 | | 26 | 15 | | Cu | 0.31 | | | | | 0.28 | | | | 1 | 1 | | | | | | | | | | | | | TR7 | Au | 0.03 | | 0.05 | 8 | | 0.03 | 0.308 | 6 | | 2 | 5 | | 4 | 4 | | 一般 | 4 | | 0.59 | 2 | | 30 | 13 | | Cu | 0.31 | | | | | 0.29 | | | | 1 | 1 | | | | | | | | | | | | | TR8 | | | | 0.03 | 1 | | | | 1 | | | | | 1 | 1 | | 一般 | 4 | | 0.08 | 1 | | 8 | 17 | TR9 | Ag | 0.04 | | 0.08 | 12 | | 0.04 | 0.036 | 3 | | 2 | 5 | | 3 | 3 | | 较差 | 2 | | 11.45 | 8 | | 33 | 11 | TR10 | Ag | 0.03 | | 0.04 | 2 | | 0.03 | 0.026 | 2 | | 2 | 5 | | 1 | 1 | | 一般 | 4 | | 5.19 | 7 | | 21 | 16 | TR11 | Au | 10.33 | | 0.50 | 18 | | 2.85 | 6.38 | 15 | | 3 | 10 | | 2 | 2 | | 好 | 8 | | 39.64 | 16 | | 79 | 3 | | Ag | 1.89 | | | | | 0.81 | | | | 3 | 10 | | | | | | | | | | | | | TR12 | Au | 7.17 | | 0.10 | 13 | | 2.95 | 3.72 | 11 | | 3 | 10 | | 2 | 2 | | 好 | 8 | | 28.23 | 10 | | 54 | 7 | TR13 | Au | 8.92 | | 0.35 | 17 | | 2.95 | 6.03 | 13 | | 3 | 10 | | 2 | 2 | | 好 | 8 | | 30.27 | 14 | | 74 | 4 | | Ag | 0.81 | | | | | 0.81 | | | | 3 | 10 | | | | | | | | | | | | | TR14 | Cu | 0.63 | | 0.06 | 9 | | 0.70 | 1.47 | 8 | | 1 | 1 | | 2 | 2 | | 较差 | 2 | | 17.32 | 9 | | 32 | 12 | | W | 0.77 | | | | | 0.77 | | | | 1 | 1 | | | | | | | | | | | | | TR15 | Cu | 0.61 | | 0.05 | 7 | | 0.70 | 0.70 | 7 | | 1 | 1 | | 1 | 1 | | 较差 | 2 | | 0.64 | 3 | | 21 | 16 | TR16 | Au | 6.68 | | 0.04 | 3 | | 2.95 | 6.28 | 14 | | 3 | 10 | | 2 | 2 | | 较差 | 2 | | 37.04 | 15 | | 47 | 8 | | W | 4.66 | | | | | 3.33 | | | | 1 | 1 | | | | | | | | | | | | | TR17 | Au | 7.01 | | 0.13 | 15 | | 2.95 | 6.28 | 14 | | 3 | 10 | | 2 | 2 | | 一般 | 4 | | 28.99 | 12 | | 57 | 6 | TR18 | Ag | 0.23 | | 0.05 | 6 | | 0.09 | 0.17 | 5 | | 3 | 10 | | 2 | 2 | | 较差 | 2 | | 1.74 | 5 | | 35 | 10 | | Au | 0.15 | | | | | 0.08 | | | | 2 | 5 | | | | | | | | | | | | |
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Table of results of comprehensive geochemical anomaly assessment of Yongshan area in Leping City
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Investigation of soil geochemical abnormality of Yongshan area in Leping City
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