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Compact and lightweight hyperspectral imagers allow the application of close range hyperspectral imaging with a ground based\udscanning setup for geological fieldwork. Using such a scanning setup, steep cliff sections and quarry walls can be scanned with a\udmore appropriate viewing direction and a higher image resolution than from airborne and spaceborne platforms. Integration of the\udhyperspectral imagery with terrestrial lidar scanning provides the hyperspectral information in a georeferenced framework and\udenables measurement at centimetre scale. In this paper, three geological case studies are used to demonstrate the potential of this\udmethod for rock characterisation. Two case studies are applied to carbonate quarries where mapping of different limestone and\uddolomite types was required, as well as measurements of faults and layer thicknesses from inaccessible parts of the quarries. The\udthird case study demonstrates the method using artificial lighting, applied in a subsurface scanning scenario where solar radiation\udcannot be utilised

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

CLOSE RANGE HYPERSPECTRAL IMAGING INTEGRATED WITH TERRESTRIAL LIDAR SCANNING APPLIED TO ROCK CHARACTERISATION AT CENTIMETRE SCALE