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Created page with "== Introduction == Porosity is a fundamental concept in geology, materials science, and other fields that deal with the structure and behavior of materials. It refers to the measure of the void (i.e., "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%. The term is used in multiple fields including petroleum geology, [..."