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In geology, the process of deposition of a solid material from a state of suspension or solution in a fluid (usually air or water). Broadly defined it also includes deposits from glacial ice and materials collected under the effect of gravity alone, as in talus deposits, or accumulations of rock debris at the base of cliffs.
This entry comes from Encyclopædia Britannica Concise. For the full entry on sedimentation, visit Britannica.com.