基于证据权重法的南岭钨锡矿床远景预测  

Evaluation and prediction of Tungsten and Tin deposit based on evidence weight method in Nangling area

作　　者：许云[1] 张宁[2] 王雨[1] 

机构地区：[1]河北工程大学资源学院,河北邯郸056038 [2]中国煤炭地质总局第一勘探局,河北邯郸056004

出　　处：《河北工程大学学报（自然科学版）》2011年第4期60-64,共5页Journal of Hebei University of Engineering:Natural Science Edition

基　　金：国家973项目(2001CB409806);广西教育厅科技项目(2001401)

摘　　要：通过分析南岭地区钨锡的成矿规律,提取有利成矿信息作为预测证据层,在MORPAS平台上利用证据权重法对该区成矿概率的分布进行了成矿远景区的预测,并圈定了4个成矿远景区,其中姑婆山岩体、金鸡岭岩体,大东山岩体3个远景区覆盖了几乎所有的已知钨锡矿床点,而连阳岩体远景区的钨锡矿床分布较少。预测结果对于该区的进一步找矿具有一定的指导意义,同时结果也表明证据权重法结合MORPAS系统用于成矿预测方法简单,结果可靠性较高;可以提高工作的效率和精确度。Based on the comprehensive analysis of tungsten and tin mineralization in Nangling, the information favorable for ore formation were abstracted and constructed by the method of evidence weight in the system of MORPAS. We have predicted favorable areas according to the ore formation probability values. The prediction shows 4 metallogenic prospective areas. Most of the Tungsten and Tin deposits which have been proven were contained by the Guposhan pluton, Jinjiling pluton and Dadongshan pluton. Lianyang pluton has not yielded tungsten and tin deposits. The conclusion of prediction has some indication for further ore finding in this area. The research has shown that the evidence weight model on system of MORPAS is easy to realize and has reliable results and is helpful to increase efficiency and accuracy of mineralizing predication.

关 键 词：MORPAS 证据权重法 成矿预测 锡钨矿床 

分 类 号：P618[天文地球—矿床学]