This webcast has been produced for Oxford Instruments NanoAnalysis by Nature Research Custom Media. The sponsor retains sole responsibility for content.
To meet the rising global demand for key metals, today’s mining industry must employ smarter approaches to adjust to a general decline in ore grades coupled with ever-increasing environmental pressures. Successful, environmentally aware exploration and mineral extraction requires effective analyses of the textures and microstructures of ore-bearing rocks. However, conventional techniques are either slow (e.g. light microscopy point counting or electron probe microanalysis (EPMA)) or miss key textural information (e.g. atomic absorption spectroscopy (AAS) or X-Ray diffraction (XRD)).
In this webcast, the speakers will describe recent advances in two of the most widely applicable scanning electron microscope (SEM) based microanalysis techniques: energy dispersive X-ray spectrometry (EDS) and electron backscatter diffraction (EBSD). In combination, these techniques enable effective characterisation of whole rock thin sections in a matter of minutes and provide all of the information required to understand ore mineralogy, such as modal analysis, grain size, mineral and elemental deportment, as well as more in-depth understanding such as chemical zoning, deformation mechanisms and crystallographic fabrics.
The webcast will highlight examples of fast, integrated EBSD and EDS analyses from a range of ore-bearing samples, including chromite-bearing pyroxenites from the Bushveld igneous complex in South Africa, the world’s largest reserve of platinum group metals, and gold placer deposits from Scotland.