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Chemical Staining Techniques for Drill Core Characterization

Parbhakar-Fox, A ORCID: 0000-0002-3570-1195, Fox, N, Moltzen, J and Lottermoser, B 2017 , 'Chemical Staining Techniques for Drill Core Characterization', in B Lottermoser (ed.), Environmental Indicators in Metal Mining , Springer International Publishing, Switzerland, pp. 97-114.

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Abstract

Accurate mineralogical identification is critical across the mining value chain from host rock characterization and alteration mapping, to mineral processing and environmental management. Advanced techniques for rapid mineralogical identification in drill core including hyperspectral scanners (e.g., HyLogger™, Corescan™) are becoming increasingly available to the mining industry. However, their high associated costs and logistical problems with deploying to field sites means that these techniques are not yet ubiquitously available. Mineral specific chemical staining techniques for carbonate and feldspar minerals offer a rapid and cheap alternative to hyperspectral scanning and more traditional mineral identification techniques (e.g., X-ray diffractometry, electron microprobe analysis). This contribution provides an updated review of chemical staining procedures for carbonate and feldspar minerals and how they can be used to map the distribution and texture of these minerals in drill core. Used under controlled health and safety conditions, chemical staining of drill core can assist with identification and mapping of these minerals during exploration activities (i.e., resolving alteration assemblages), feasibility studies (i.e., indicating ore grindability and flotation cell pH) and environmental assessments (i.e., domaining short and long term acid neutralization capacity).

Item Type: Book Section
Authors/Creators:Parbhakar-Fox, A and Fox, N and Moltzen, J and Lottermoser, B
Keywords: acid mine drainage, sulfide oxidation, mine waste management
Publisher: Springer International Publishing
DOI / ID Number: 10.1007/978-3-319-42731-7_6
Copyright Information:

Copyright 2017 Springer International Publishing Switzerland

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