Subset from an x-ray micro-CT image taken at ANU, subsequently segmented.
This is a somewhat poorly sorted unconsolidated fluvial sandpack from southern Australia. The segmented image has a porosity of 36.3 % (void phase).
The dimensions are 512 x 512 x 512 voxels (8-bit unsigned character image data) with a voxel size of 9.184 micrometers.
