Abstract
The study of porecasts is an important technique for evaluating the distribution, and quantity, of porosity in carbonate rocks. This paper sets out a method by which high-quality porecasts may be produced, quickly and easily. The procedure consists of impregnation firstly under vacuum, then under pressure with low viscosity (6 × 10 −3 Pa s) epoxy resin. Examination under SEM reveals penetration of intragranular porosity at a submicron scale without disruption of the rock fabric.
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