基于网格单元的总合式和非总合式结合的区域矿产资源潜力评价方法

浦路平; 赵鹏大; 胡光道; 夏庆霖

doi:10.3799/dqkx.2011.074

基于网格单元的总合式和非总合式结合的区域矿产资源潜力评价方法

doi: 10.3799/dqkx.2011.074

1.
桂林理工大学现代教育中心，广西桂林 541004
2.
中国地质大学遥感地质与数学地质所，湖北武汉 430074

基金项目:

桂林理工大学博士基金资助项目 002401003278

详细信息

作者简介:
浦路平(1958-)，男，博士，副教授，主要从事数学地质、GIS矿产资源勘查评价研究.E-mail: plp@glite.edu.cn

中图分类号: P628
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出版历程
- 收稿日期: 2010-07-28
- 刊出日期: 2011-07-01

Joint Area Mineral Resources Potential Assessment Method of Grid-Units-Based Aggregated Form with Disaggregated Form

1.
Modern Education Technical Center, Guilin University of Technology, Guilin 541004, China
2.
Institute of Mathematical Geology and Remote Sensing Geology, China University of Geosciences, Wuhan 430074, China

摘要

摘要: 区域矿产资源潜力有总合式评价和非总合式评价两大类方法.总合式评价方法简便易行，可以得到一个区域的资源潜力总量的估计，但是没有其在区域中的空间位置信息，区域矿产资源潜力评价早期主要是用总合式评价方法.随着资料数据的积累，特别是计算机和GIS技术的应用，能给出空间位置信息的非总合式评价越来越多的用于区域矿产资源潜力评价.非总合式评价主要把区域划分成同形等大的单元，在圈定成矿远景区单元基础上，用类比方法对成矿远景区单元进行矿产资源潜力数量预测评价.总合式矿产资源潜力评价是区域矿产资源潜力评价的主要方法，可以对区域内潜在的矿产资源量进行预测，但是只有一个总量，没有区域内矿产资源空间分布信息，不能结合各局部空间具体情况进行各种环境经济社会评价，因此需要将其预测的资源量空间定位化.非总合式矿产资源潜力评价虽然能够定位，但因其是用控制单元的探明资源量进行类比外推，所以无法对已知矿产资源量的单元内潜在的矿产资源量进行预测.提出了用基于网格单元的总合式和非总合式方法结合的矿产资源潜力评价方法，解决了总合式方法单元资源量预测值的空间定位和分配问题.并且以云南铅锌矿为例进行了计算，既得到了总量也得到了其空间分布量，修正了非总合式预测方法的不足，特别适用于对矿产资源进行环境、经济、社会等评价或者联合评价.以云南铅锌矿产资源潜力评价为实例进行了应用，得到初步结果.
- 矿产资源潜力评价 /
- 总合式 /
- 非总合式 /
- 数学模型 /
- 地理信息系统
Abstract: There are two types of assessment methods of area mineral resources: aggregated form assessment and disaggregated form assessment. In aggregated form assessment, it is easy to get assessment of total mineral resources quantity of an area without high level data, but it is void of the message of spatial location of mineral resources, which is necessary to some co-assessments of resources, economy, environment and society. In disaggregated form assessment, work area is firstly divided into same shape grid units and then the mineralization favorableness unit and the mineral resources of unknown units are predicted analogically with known ore bearing units data, but potential resources number of known ore bearing units can not be obtained. So the paper presents a new method assessment of area mineral resources potential combining grid-units-based aggregated form with disaggregated form, in which the disaggregated form assessment number is modified by the information of aggregated form assessment, and at same time the aggregated form assessment result resources are located with the information of disaggregated form assessment. In the paper the method is used to assess Pb-Zn mineral potential of Yunnan Province and gets satisfactary results. The new method is particularly useful to GIS-based co-assessment of resources, economy, environment and society.
- mineral potential assessment /
- aggregated form /
- disaggregated form /
- mathematical models /
- geographic information system

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图 1 云南省铅锌矿产资源分形模型

Fig. 1. Fractal model of mineral resource of lead and zinc of Yunnan Province, China

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表 1 化探第1组聚类元素组主成分变换

Table 1. The principal components transformation of the first clustering geochemical element group

第1组元素	主成分1	主成分2	主成分3	主成分4	主成分5
Pb	-0.191 02	-0.369 77	0.586 61	-0.474 97	-0.507 03
Zn	-0.379 13	-0.640 45	-0.251 97	-0.259 50	0.561 48
Ag	-0.222 45	-0.160 18	0.613 90	0.692 16	0.262 48
Cd	-0.117 22	-0.461 12	-0.449 68	0.476 87	-0.586 52
As	-0.869 80	0.463 47	-0.115 40	-0.023 86	-0.121 48
权值比重(%)	52.642 50	22.331 50	13.661 20	6.175 30	5.189 50

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