Implications of electron backscatter diffraction study for interpretation of common sulphide mineral textures.

AUTHORS: Boyle, A.P., Barrie, C.D., Prior, D.J.

ABSTRACT: Interpretation of mineral textures is an important part of understanding any ore deposit. Currently, this mostly involves viewing polished surfaces using a reflected light microscope (sometimes with etching) coupled sometimes with collecting backscatter electron images in a scanning electron microscope and chemical maps using an electron microprobe and rarely with transmission electron microscopy. It is now possible, routinely, to collect crystallographic information at the sub-micron scale to an accuracy typically better than 1º using electron backscatter diffraction (EBSD). Crystallographic data acquired by EBSD help to constrain the interpretation of textures (primary and secondary), commonly providing solutions not contemplated using other analytical methods.

KEYWORDS: electron backscatter diffraction, sulphide, pyrite, texture

EAN: SGA_2007_A022
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