专家辅助找矿系统中模糊综合评判（FCA）模型的软件实现及应用——以云南会泽铅锌矿隐伏矿预测为例
Software realization and application of the Fuzzy Comprehensive Adjudgment (FCA) model in the expert-assisted mineral exploration system: A case study of the prognosis of concealed orebodies in the Huize Pb-Zn deposit, Yunnan, China
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摘要: 模糊综合评判（FCA）模型是应用模糊数学的理论与方法，通过综合评判多个控制因素的权重，对某一事件进行评价的数学模型。以云南会泽铅锌矿为例，选择了地层、构造、岩性控矿因素为模糊评价因素集，建立了FCA模型，编制了计算机程序进行软件实现。对构造地球化学数据进行了评判试验，实现隐伏矿预测。研究结果表明，由多因素决定的矿化异常与实际工程验证结果吻合。FCA模型可用于评价地质、生态、环境、气象、农业、经济等多个领域中由多个因素控制的事件，具有普遍意义。Abstract: The Fuzzy Comprehensive Adjudgment (FCA) model is a mathematical model that is designed to evaluate a particular event by using the theory and methods of fuzzy mathematics and through a comprehensive adjudgment of weights of several controlling factors. Take the Huize Pb-Zn deposit for example, ore-controlling strata, structures and lithologies are selected as the fuzzy evaluation factor set to construct a FCA model, and its software realization is done through the computer programming. Based on experiments of adjudging the tectono-geochemical data, the prognosis of concealed orebodies has been made. The results show that the mineralization anomalies controlled by multiple factors are in accord with what drilling has revealed. The FCA model has common significance, and it can be used to evaluate events controlled by multiple factors in fields of geology, ecology, environment, meteorology, agriculture and economy.
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