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Figure 4
Comparison between non-satisfactory (a,b) and satisfactory (c) reconstructions of tomographic datasets (negative contrast) of samples of olivine + serpentine (serpentine is brighter; olivine is darker). (a) The position of the axis of rotation is off. White arrows show ring artefacts. (b) Representative example of non-satisfactory body movement correction: sample motions are still visible within the white-dotted-line area; white solid circles show `triple point' structures (see text). (c) No visible artefacts. |
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