基于MRAS证据权重模型的河南老湾地区金矿成矿预测
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魏从玲, 陈建立, 郭鹏
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Metallogenic prediction of gold deposits in Laowan area, Henan Province using the weight of evidence model and MRAS
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WEI Cong-Ling, CHEN Jian-Li, GUO Peng
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表1 研究区各预测变量先验概率统计结果
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Table 1 Prior probability statistical results of predictive variables in the area
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预测变量 | P1 | P2 | P3 | P4 | 地层 | 1.000 000 | 0.042 279 | 0.000 000 | 0.957 720 | 韧性剪切域 | 0.857 142 | 0.022 780 | 0.142 857 | 0.977 219 | 脆性断束50 m缓冲区 | 0.571 428 | 0.010 408 | 0.428 571 | 0.989 591 | 岩浆岩150 m缓冲区 | 0.500 000 | 0.093 743 | 0.500 000 | 0.906 256 | 与Au有关的蚀变带 | 0.285 714 | 0.009 333 | 0.714 285 | 0.990 666 | Au异常 | 0.928 571 | 0.143 670 | 0.071 428 | 0.856 329 | As异常 | 0.785 714 | 0.214 160 | 0.214 285 | 0.785 839 | Sb异常 | 0.642 857 | 0.197 109 | 0.357 142 | 0.802 890 | Ag异常 | 0.785 714 | 0.244 137 | 0.214 285 | 0.755 862 |
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