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A large area with a general containment and an often thick accumulation of rock. A sedimentary basin is an area of regional settling that can be characterized in space, time, and sedimentary fill .It is a physical depression at the earth's surface which accumulates and preserves sediments. The scale of basins varies greatly, from ocean basins to small ponds.
- Helwig, J. A. 1985. Origin and Classification of Sedimentary Basins. Offshore Technology Conference. http://www.doi.org/doi:10.4043/4843-MS