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Wednesday, January 12, 2005

Calcarenite

Sedimentary rock formed of calcareous particles ranging in diameter from 0.06 to 2 mm (0.002 to 0.08 inch) that have been deposited mechanically rather than from solution. The particles, which consist of fossil materials, pebbles and granules of carbonate rock, and o´┐Żlites (spherical nodules with concentric structure), are transported and sorted by flowing water. When formed almost

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