东坪式金矿盲矿体的多元信息预测研究(续4)

指矿标志模型是指能够指示矿产赋存的特征标志。根据研究,本区共建立了8个指矿标志模型。

STUDY OF MULTI-FACTORS INFORMATIONS FOR DONGPING-TYPE BLIND GOLD DEPOSIT PREDICATION

According to the geological characteristics of Dongping-type gold deposit and the multi-factor's property of blind ore bodies information of gold deposit, and directed by the method of fuzzy probability analysis, the authors proposed the method of "establishing multigrade models and predicting each grade" mainly based on the remote sensing information, First, the authors made statistical analysis and digitization of multi-factor information, and geometric registration and other pre-processing of multi-factor information and romote sensing information Eight indictor models related to the blind ore bodies of gold deposit were established based on the study of the correlation of multi-factor with rich gold deposit, and each model was transformed into thematic map. After analysing the significance of eight indictor models,three applied models of predication were established, 1 ) the applied model of predication for orefield, 2 ) the applied model of predication for alterration mineralization and placer predication, 3 ) the applied modelof predication for blind ore bidies.Using the three models, the authors proposed six first-grade predicated districts of blind gold deposit; three second-grade predicated districts; and two placer predicted districts. The ideal effect of predication was proved.