Journal
MINERALS ENGINEERING
Volume 14, Issue 12, Pages 1579-1587Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0892-6875(01)00176-5
Keywords
liberation; mineral processing; ore mineralogy; liberation analysis
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Conventional wisdom in industry indicates that image analysis of particles in cross-section introduces stereological bias. Current stereological adjustment routines commonly consider only, binary, systems or have been developed using idealised, computer-generated particles. This work investigates the significance of stereological bias in a multiphase, natural ore and ascertains whether computer generated theoretical particles accurately, represent natural textures. Quantitative data, measured through serial sectioning of polished mounts and particle reconstruction are presented for a multiphase system. The stud), investigated particles from a hardrock titanium deposit that display, relatively, simple textural attributes and measurements were performed using QEM*SEM. A key finding is that the stereological bias appears to be small for this ore sample, The data suggest that, for multiphase natural ore systems, the stereological bias may not be such an important consideration. (C) 2001 Elsevier Science Ltd. All rights reserved.
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