Representative Elementary Volume of Rock Using X-Ray Microcomputed Tomography: A New Statistical Approach

Table 3

Porosities and REV properties of the five samples analysed.

Porous medium	Porosity sample (%)	Variation	REV (mm^3)
Glass bead pack	35.35	±10%	2.8
Sand pack	35.18	±67%	4.9
Bentheimer sandstone	18.07	±30%	>10
St. Bees sandstone	16.27	±100%	>7.5
Mt. Gambier carbonate	40.54	±100%	>10

Of the largest volume investigated. Porosity variation for 0.1 mm³ subvolumes. By visual inspection.