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Description
Savonnières limestone is a mono-mineralic, calcitic, layered oolithic limestone belonging to the Oolithe Vacuolaire (France). Its pore structure contains 4 types of porosity: inter-granular and intra-oolithic microporosity, and inter- granular and micro-connected macroporosity (hollow ooliths). The hollow ooliths are only connected to the other macro-pores by microporosity in the oolith-shells. Depending on local variations, the permeability ranges from 115 mD to more than 2000 mD (based on TinyPerm mini-permeameter measurements), and porosity ranges from 22% to 41%.
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