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Geochemical assessment of the contaminant potential of granite fines produced during sawing and related processes associated to the dimension stone industry

Authors
Journal
Journal of Geochemical Exploration
0375-6742
Publisher
Elsevier
Publication Date
Volume
88
Identifiers
DOI: 10.1016/j.gexplo.2005.08.009
Keywords
  • Dimension Stone
  • Granite Fines
  • Alkaline Waters
  • Metals
Disciplines
  • Chemistry
  • Earth Science
  • Ecology
  • Geography

Abstract

Abstract Granite fines are inorganic wastes produced in the elaboration of dimension stone. Because of the increasing development of that industry in NW Spain, some concerns related to their classification as type of waste and their environmental impact have been raised. We have performed a detailed physicochemical, mineralogical and geomechanical characterization of the fines and the results make up the basis of several modeling exercises addressed to give answers to particular topics: the impact of high pH waters on the environment and the mobility of some toxic metals. Based on our analyses, we conclude that granite fines do not constitute a significant hazard to the quality of natural waters.

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