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1ST PRIZE: Marco A. Acevedo Zamora, School of Earth and Atmospheric Sciences at QUT

Optic-axis orientation quiver map of olivine in harzburgite. The montage (5.32×4.37 mm) shows the olivine slow-axis orientation map in a harzburgite from the Earth’s mantle that has crystal preferred orientation related to tectonic deformation. The map was obtained after object-based image segmentation and classification streamlined with automatic interference colour estimation in every grain (with my new algorithm). This is the first time such map has been produced, regardless of the target thickness and without requiring scanning electron microscopy EBSD.

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