摘要
地质统计学是固体矿产储量估算的基础,并已发展成为储量估算的行业标准,以地质统计学为核心的固体矿产储量估算软件是近年来固体矿产储量估算领域的研究的热点问题。
本文首先介绍了地质统计学的基本理论以及组件式GIS的技术,然后详细介绍了基于ArcGIS储量估算系统的开发与实践。Gis的技术优势,不应只局限于空间数据采集、存储、管理、显示与输出一体的数据流程,更应体现在其信息综合、空间分析、预测预报和辅助决策能力上。将地质统计学的分析方法与Gis软件包相链接,将地质统计学方法融合为Gis的空间分析方法,只有这样地理信息系统在地质统计学技术的补充下,才能更好的为决策提供依据。为此本文利用ArcGIS平台,借助于其强大的空间分析功能,采用组件式技术编写了固体矿产储量估算系统,并以驱龙多金属矿数据资料为依据,计算出了驱龙铜钼矿的资源量,与SD软件计算出的结果对比,充分说明了该系统的可行性。
本文给出了钻孔的空间分布图、矿体的空间形态、铜钼矿空间品位变化图、铜矿品位—吨位关系图,以及最后的铜钼矿储量估算结果。
Geostatistics solid foundation estimated mineral reserves, and it has developed into the industry standard for estimating reserves, geostatistics to many as the core of the solid mineral reserves estimates and the development of software gradually mature.
In this paper, the geostatistics, and the basic theory of GIS technology component, and then details of the estimated reserves based on ArcGIS system development and practice. Gis superiority in technology, not only in spatial data acquisition, storage, management, display and output of data integration process, more information should be reflected in its comprehensive, spatial analysis, forecasting and decision support capabilities. Geological methods and statistical analysis software package Gis link, geostatistics Gis integration of spatial analysis methods, the only way geographic information system technology in the supplementary geostatistics, and to better provide the basis for decision-making. This paper using ArcGIS platform With its powerful spatial analysis functions, the preparation of a technical component of solid mineral reserves estimates, and Quiong polymetallic mine data as the basis, calculated the Quiong copper and molybdenum mine abundance, and SD software calculated the results of comparison, fully demonstrated the feasibility of the system.
引文
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