Microscopic analysis of imbibition processes in oolitic limestone

Measurements of density, porosity, capillary moisture content and water abs orption coefficients of Savonnieres, a French layered limestone, show a wid e variability on the local scale. The differences in imbibition properties can be explained by the microstructural variability as shown by optical mic roscopy. Microscopic investigations of free uptake experiments using a colo red low-viscous epoxy resin confirm the strong relations between imbibition and microstructure.