Lexicon of Sedimentary Petrology and Lithological Formations

• Aleuritic — Pertaining to aleurite, regarding aleurite, or containing fine detrital elements with sizes intermediate between sand and clay. In structural geology, the term describes the texture or structure of sedimentary rocks where microscopic mineral particles (dust or silt) predominate, giving the rock a mealy feel and specific mechanical properties regarding permeability and cohesion.