| 程培生,张顺林.因子分析在安徽石台—九华山地区成矿预测中的应用[J].矿产勘查,2014,5(4):604-609 |
| 因子分析在安徽石台—九华山地区成矿预测中的应用 |
| Factor analysis application in the metallogenic prediction of Shitai-Jiuhuashan area, Anhui Province |
| 投稿时间：2013-10-24 |
| DOI： |
| 中文关键词: 因子分析 水系沉积物测量 成矿预测 安徽 |
| 英文关键词: factor analysis stream sediment survey metallogenic prediction Anhui Province |
| 基金项目:国土资源大调查项目(编号:20001020125003)资助。 |
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| 中文摘要: |
| 1∶5万水系沉积物测量的异常评价与成矿预测历来是化探工作的难点,应用因子分析方法,通过对安徽石台—九华山地区矿化岩石样和不同地质单元的水系沉积物样品元素组合的详细研究,指出该区铜、铅锌多金属矿化的直接指示因子、热液活动指示因子和远程指示因子,并根据异常区上述3个因子的发育特征对矿化体的剥蚀程度进行了初步判断,从而增强了成矿预测的准确性。应用因子得分,结合对地质特征的分析,圈定了有利找矿靶区,指明了该区主要的找矿方向,取得了快速、准确进行成矿预测的效果。 |
| 英文摘要: |
| The abnormal evaluation and mineralization prediction based on 1∶50000 stream sediment survey has always been the big problem in the geochemical work. By applying factor analysis, the direct indicator factor, hydrothermal activity indicator factor and distal indication factor for the copper, lead and zinc polymetallic mineralization were pointed out through a detailed study on the mineralized rocks and sediment samples of different geological units in the Shitai-Jiuhuashan area. Based on developmental characteristics of these three factors, a preliminary judgment on the degree of erosion of the mineralized body was carried out, so as to enhance the accuracy of the metallogenic prediction. The favorable prospecting targets were delineated by applying the factor score in combination of the geological analysis, and the main prospecting direction was identified, as a result, the quick and accurate metallogenic prediction effect was achieved. |
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