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基于矿化域三维数字模型对澳大利亚Camel 1金矿找矿预测研究
(1.长安大学地球科学与资源学院;2.西北有色地质矿业集团有限公司)
The Prospecting Prediction and Research for Camel 1 Gold Mine in Australia Based on Three-Dimension Digital Model of Mineralization Domain
LI Xi1,2,3,2, WANG Qi3,2, YANG Xu3,2, HE Hu-jun1, LI Fu-rang3,2
(1.School of Earth Science and Resources,Chang′an University,Xi′an Shaanxi;2.China;3.Northwest Nonferrous Geological and Mining Group Co,Ltd,Xi’an Shaanxi)
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本文已被:浏览 663次   下载 61
投稿时间:2016-06-20    修订日期:2016-07-27
中文摘要: Camel 1金矿是澳大利亚Pilbara地台最重要的金矿之一,矿区地表被第四系风成沙和冲积物覆盖,地表矿化信息少,找矿难度大。鉴于此,在该矿区引入“数字矿山”技术手段,结合Camel 1金矿的地质特征,特别是控矿构造特征,使用Surpac软件,建立Camel 1金矿矿化域三维模型,综合研究Au矿化空间分布规律。结果表明:Camel 1矿床Au矿化沿Mallina韧性剪切带东西向分布,且严格受Mallina韧性剪切控制;Au矿化与矿区后期北东向构造关系密切,沿北东向构造方向Au矿化具有较好的连续性。该方法也为该区以后的找矿工作提供了新的思路。
中文关键词: 三维数字模型  矿化域  金矿  找矿预测
Abstract:The Camel 1 is a very important gold deposit located in the mallina ductile shear zone of northwest Australia; however, there are hardly any marks of ore-finding since the land is mainly covered by the Quaternary alluvial and aeolian sand and therefore there are rarely bedrock outcrops. Thus, based on the method of ‘digital mine’ and the geological structural characteristics in this area, this study chose to use the software of Surpac by which the delineation on mineralization domain model of Camel 1 gold deposit has at last been acquired. After analyzing the rules and characteristics of spatial distribution for that model, the rules of distributions for gold mineralization have been successfully predicted. The research shows that gold mineralization with low grade which locates along the mallina ductile shear belt has a good persistence, the gold mineralization in the connected positions of the northeastern structure and the mallina ductile shear belt is also well, and that along the direction of the later northeastern structure the gold mineralization persists well. In addition, three targets for ore-finding have been found out according to the results above.
文章编号:YSJSGC20160269     中图分类号:    文献标志码:
基金项目:] 陕西省自然科学基金(2016JM4001)资助;中央高校基本科研业务费专项资金(310827151056,310827153408)资助[第一作者] 李希(1986年—),男,2012年毕业于长安大学,获硕士学位,在读博士生,工程师,主要从事金属矿产勘查和矿山数字化工作,E-mail:lixikey@163.com ,2,刘建党2,杨旭2,何虎军1,李福让2
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