铁锰铬矿床的合理勘查工程间距研究  

Study on the Reasonable Exploration Engineering Spacing of Iron,Manganese,and Chromium Deposits

作　　者：谢建强 李通国[2] 高永伟[2] 第鹏飞 张忠平[2] 余超[2] 苏秋红 高腾 

机构地区：[1]甘肃省矿产资源储量评审中心,甘肃兰州730000 [2]甘肃省地质调查院,甘肃兰州730000 [3]兰州大学地质科学与矿产资源学院,甘肃省西部矿产资源重点实验室,甘肃兰州730000 [4]甘肃省地矿局第一地质矿产勘查院,甘肃天水741020

出　　处：《西北地质》2017年第4期215-225,共11页Northwestern Geology

基　　金：国家专项项目“矿产资源储量技术标准体系建设项目之矿产资源储量技术标准基础研究”(CB2015-2-4)

摘　　要：勘查工程间距是最相邻勘查工程控制矿体的实际距离,其间距根据反映矿床地质条件复杂程度的勘查类型来确定。现行的铁锰铬矿地质勘查规范中由于没有明确定量确定工程间距的方法,加之推荐的详查阶段沿走向的工程间距不尽合理,影响基本工程间距的确定、矿体的圈定和资源储量估算的可靠性,导致矿产勘查工作可能出现质量隐患。对全国典型铁、锰、铬矿床勘查类型和实际勘查工程间距统计研究,采用动态分维几何学法(SD法)、地质勘探和生产勘探对比法等3种方法,分析铁、锰、铬矿床勘查类型和工程间距确定的合理性,从经济、合理的角度,确定铁、锰、铬矿床基本工程间距,并推荐今后地质矿产勘查实践中使用。Exploration engineering spacing is the actual distance among the most adjacent exploration engineering controlling ore bodies, which has been determined by the exploration type depending on the complexity of the geological conditions of the mineral deposits.In current exploration standard of iron, manganese and chromium deposits, there is no clear quantitative method to determine the engineering spacing, and the recommended engineering spacing along strike at general exploration stage is unreasonable.These factors influence the reliability of engineering spacing determination and the delineation of ore body, as well as the accuracy of resource /reserves, which cause the hidden riskin mineral exploration. In this paper, based on the comparative study of exploration type and the actual exploration engineering spacing on the typical iron, manganese and chromium deposits,the three methods （such as dynamic fractal geometry method （SD method）, the comparative analysis between geological exploration and production exploration）are adopt to analyze the rationality of exploration type and the exploration engineering spacing for these deposits, and the recommended exploration engineering spacing for these deposits has been further put forward from the economic and reasonable perspective,and these methods have been recommended to the use of future exploration practice.

关 键 词：黑色金属 勘查工程间距 铁矿 孟矿 各矿 

分 类 号：P618.31[天文地球—矿床学]