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Forecasting geoenvironmental risks: Integrated applications of mineralogical and chemical data


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Parbhakar-Fox, A ORCID: 0000-0002-3570-1195, Fox, N, Jackson, LM ORCID: 0000-0001-6583-2615 and Cornelius, R 2018 , 'Forecasting geoenvironmental risks: Integrated applications of mineralogical and chemical data' , Minerals, vol. 8, no. 12 , pp. 1-21 , doi: 10.3390/min8120541.

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Management of solid mine wastes requires detailed material characterisation at the start of a project to minimize opportunities for the generation of acid and metalliferous drainage (AMD). Mine planning must focus on obtaining a thorough understanding of the environmental properties of the future waste rock materials. Using drill core obtained from a porphyry Cu project in Northern Europe, this study demonstrates the integrated application of mineralogical and geochemical data to enable the construction of enviro-geometallurgical models. Geoenvironmental core logging, static chemical testing, bulk-and hyperspectral mineralogical techniques, and calculated mineralogy from assay techniques were used to critically evaluate the potential for AMD formation. These techniques provide value-adding opportunities to existing datasets and provide robust cross-validation methods for each technique. A new geoenvironmental logging code and a new geoenvironmental index using hyperspectral mineralogical data (Hy-GI) were developed and embedded into the geochemistry-mineralogy-texture-geometallurgy (GMTG) approach for waste characterisation. This approach is recommended for new mining projects (i.e., early life-of-mine stages) to ensure accurate geoenvironmental forecasting, therefore facilitating the development of an effective waste management plan that minimizes geoenvironmental risks posed by the mined materials.

Item Type: Article
Authors/Creators:Parbhakar-Fox, A and Fox, N and Jackson, LM and Cornelius, R
Keywords: acid and metalliferous drainage, mine planning, waste rock, hyperspectral mineralogy, logging, calculated mineralogy, porphyry deposits, automated mineralogy, acid mine drainage, waste management, sulphide, mining
Journal or Publication Title: Minerals
Publisher: MDPIAG
ISSN: 2075-163X
DOI / ID Number: 10.3390/min8120541
Copyright Information:

Copyright 2018 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0)

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