Figure 3
From: 3D chemical imaging in the laboratory by hyperspectral X-ray computed tomography

3D distribution of mineral phases in a mineralised ore sample from a gold-rich hydrothermal vein.
(a) Grayscale tomographic slice through the sample created by integrating over the full spectral range. (b) Voxel spectra showing Au and Pb K-edges. (c) Voxel spectra from quartz, pyrite and chalcopyrite minerals. (d) Vertical slice through the sample with Au (blue) and Pb (red) containing voxels segmented and coloured. (e) 3D visualisations of the distribution of mineral phases in the sample.