Mineralogical characterization of weathered outcrops as a tool for constraining water chemistry predictions during project planning

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Abstract

Weathered samples from naturally exposed outcrops of troctolite associated with a magmatic Ni-Cu sulphide deposit were characterized by synchrotron-based micro-X-ray fluorescence mapping (µ-XRF) and X-ray absorption spectroscopy (XAS), as well as by lab-based X-ray diffraction, electron microscopy, Raman spectroscopy and wet chemical methods. Metal mobility in weathered samples was assessed using a sequential leach procedure. Results are interpreted in the context of predictions for future mine water chemistry and used to refine the conceptual model for metal mobility following weathering of waste rock at a potential future mine site.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Mineralogical characterization of weathered outcrops as a tool for constraining water chemistry predictions during project planning
Year Published 2017
Language English
Publisher International Mine Water Association
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 8 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Proceedings of IMWA 2017
First page 712
Last page 719