As part of an image processing class I learned how to collect very high-resolution 3D rock scans. Micro-CT scanning highlights density differences in materials. For example, air has a low attenuation and therefore appears dark on a CT-scan.

A slice of the 3D object, with dark areas showing low density pore spaces.

A 3D visualization of pore space extracted from the CT scans.

Gas expansion in volcanic rocks leads to the formation of parallel vesicle bands. I was interested in seeing if I could visualize these bands in 3D.

The resolution of this method is quite high, so I was able to resolve one of the vesicle bands. The image above shows an example of coallesced gas bubbles.