Figure 4

Renderings of 3D grayscale scans acquired through X-ray microtomography. Examples for the main types of lithic fragments: (a) tufaceous, (b) lava, (c) sedimentary, and (d) syenitic rocks. Diameter = 5 mm.
Renderings of 3D grayscale scans acquired through X-ray microtomography. Examples for the main types of lithic fragments: (a) tufaceous, (b) lava, (c) sedimentary, and (d) syenitic rocks. Diameter = 5 mm.