新疆阿希金矿控矿因素三维定量分析与提取  

Three-dimensional quantitative analysis and extraction of ore-controlling factors of Axi gold deposit in Xinjiang

作　　者：林玉婷[1,2] 毛先成[1,2] 刘晓霞[1,2] 任佳[1,2] 刘占坤[1,2] 潘敏[1,2] 罗丹[1,2] 邓浩[1,2] 朱佳玮[1,2] 张苗苗[1,2] 夏芳 肖飞 魏清峰 韩建民 樊红喜 饶文天 黄悠悠 

机构地区：[1]有色金属成矿预测与地质环境监测教育部重点实验室,湖南长沙410083 [2]中南大学地球科学与信息物理学院,湖南长沙410083 [3]新疆有色金属工业集团,新疆乌鲁木齐830000

出　　处：《地质学刊》2016年第3期477-485,共9页Journal of Geology

基　　金：国家自然科学基金项目(41472301);中南大学"创新驱动计划"项目(2015CX008);新疆维吾尔自治区高层次人才工程项目

摘　　要：新疆阿希金矿自20世纪90年代投产至今,地表矿、浅部矿已开采殆尽。采用三维空间分析方法提取控矿因素并进行成矿预测是发现深部隐伏矿体的一条有效途径。通过阿希金地质体三维建模,采用距离场分析、地质界面坡度分析以及地质界面趋势-起伏分析方法,提取了控矿主断裂面距离场、主断裂面坡度、主断裂面趋势-起伏、管道相距离场、管道相趋势-起伏5个控矿因素,并通过散点图对矿化指标与控矿因素的关联关系进行分析,得到各个因素的矿化富集空间,提取出成矿有利部位。分析结果可为阿希金矿的深部隐伏矿体三维预测提供成矿信息支持。Axi gold deposit in Xinjiang began its production in the 1990s. Till now, its surface and shallow ores have been almost exhausted. It is an effective way of discovering deep-seated concealed ore bodies to extract ore-controlling factors by 3D spatial analysis method and then to make metallogenie prognosis. This work used 3D modelling and adopted distance field analysis, slope analysis of geological interface and trend-undulation analysis of geological interface to extract five ore-controlling factors, including distance field factor of main fanhs, slope factor of main faults, trend-undulation factor of main faults, distance field factor of volcanic conduit facies and trend- undulation factor of volcanic conduit facies. In addition, we analyzed the relationship between mineralization index and ore-controlling factors by scatter diagrams, got the mineralization enrichment space of each factor and extracted the favorable mineralization location. This conclusion can provide information support for 3D metallogenie prediction of deep concealed ore bodies in the Axi gold deposit.

关 键 词：控矿因素 距离场分析 坡度分析 趋势-起伏分析 三维定量分析 深部隐伏矿体 阿希金矿 新疆西天山 

分 类 号：P628[天文地球—地质矿产勘探] P618.51[天文地球—地质学]