Definitions for "SEDIMENTARY BASIN"
A low area in the earth's crust, of tectonic origin, in which sediments have accumulated. Such features were drainage basins at the time of sedimentation but are not necessarily so today.
a depression in the Earth's crust in which sediments accumulate
An extensive area where substantial amounts of sediments occur. Most sedimentary basins are geologically depressed areas. The sediments are usually thickest in the middle, thinning toward the edges.
A region of considerable extent (at least 10,000 km2) that is the site of accumulation of a large thickness of sediments.
A large land area composed of unmetamorphized sediments. Oil and gas commonly occur in such formations.
a large area in which thick layers of
a low and usually sinking region that is filled with sediments from adjacent positive areas