GeoCube: a 3D mineral resources quantitative prediction and assessment system

Li, Ruixi, Wang, Gongwen, and Carranza, Emmanuel John Muico (2016) GeoCube: a 3D mineral resources quantitative prediction and assessment system. Computers & Geosciences, 89. pp. 161-173.

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This paper introduces a software system (GeoCube) for three dimensional (3D) extraction and integration of exploration criteria from spatial data. The software system contains four key modules: (1) Import and Export, supporting many formats from commercial 3D geological modeling software and offering various export options; (2) pre-process, containing basic statistics and fractal/multi-fractal methods (concentration–volume (C–V) fractal method) for extraction of exploration criteria from spatial data (i.e., separation of geological, geochemical and geophysical anomalies from background values in 3D space); (3) assessment, supporting five data-driven integration methods (viz., information entropy, logistic regression, ordinary weights of evidence, weighted weights of evidence, boost weights of evidence) for integration of exploration criteria; and (4) post-process, for classifying integration outcomes into several levels based on mineralization potentiality. The Nanihu Mo (W) camp (5.0 km×4.0 km×2.7 km) of the Luanchuan region was used as a case study. The results show that GeoCube can enhance the use of 3D geological modeling to store, retrieve, process, display, analyze and integrate exploration criteria. Furthermore, it was found that the ordinary weights of evidence, boost weights of evidence and logistic regression methods showed superior performance as integration tools for exploration targeting in this case study.

Item ID: 43171
Item Type: Article (Research - C1)
ISSN: 1873-7803
Keywords: 3D geological modeling; exploration criteria; fractal/multi-fractal; 3D targeting; resource prediction and assessment
Funders: National Science and Technology Support Project (NSTSP), National Natural Science Foundation of China (NNSFC)
Projects and Grants: NSTSP of the 12th Five-Year Plan grant no. 2011BAB04B06, NNSFC grant no. 41572318
Date Deposited: 13 Jul 2016 02:21
FoR Codes: 46 INFORMATION AND COMPUTING SCIENCES > 4612 Software engineering > 461206 Software architecture @ 30%
37 EARTH SCIENCES > 3704 Geoinformatics > 370402 Earth and space science informatics @ 10%
49 MATHEMATICAL SCIENCES > 4903 Numerical and computational mathematics > 490399 Numerical and computational mathematics not elsewhere classified @ 60%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840199 Mineral Exploration not elsewhere classified @ 50%
89 INFORMATION AND COMMUNICATION SERVICES > 8902 Computer Software and Services > 890201 Application Software Packages (excl. Computer Games) @ 50%
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