What is basins in geology? 1. n. [Geology] A depression in the crust of the Earth formed by plate tectonic activity in which sediments accumulate. Continued deposition can cause further depression or subsidence. Sedimentary basins,
What is basins in geology?
1. n. [Geology] A depression in the crust of the Earth formed by plate tectonic activity in which sediments accumulate. Continued deposition can cause further depression or subsidence. Sedimentary basins, or simply basins, vary from bowl-shaped to elongated troughs.
What is basin with example?
An example of a basin is a container in which laundry can be handwashed. An example of a basin is the Amazon Basin where the Amazon River and all its branches and tributaries drain. An example of a basin isthe Nashville Basin in Tennessee where all of the rock strata angle down and away from Nashville.
What is a sedimentary basin in geology?
A sedimentary basin is an area of the earth’s crust that is underlain by a thick sequence of sedimentary rocks. Hydrocarbons commonly occur in sedimentary basins and are absent from intervening areas of igneous and metamorphic rocks (North, 1971).
What is basin of a river?
Definition of River basin: The area of land from which all surface run-off flows through a sequence of streams, rivers and, possibly, lakes into the sea at a single river mouth, estuary or delta.
How basins are formed?
Basins are formed by forces above the ground (like erosion) or below the ground (like earthquakes). They can be created over thousands of years or almost overnight. The major types of basins are river drainage basins, structural basins, and ocean basins.
How is an ocean basin formed?
An ocean basin is formed when water has covered a large portion of the Earth’s crust. In the distant past, this may have happened when there was an increase in available water, or a fall of landmass.
What is drainage basin simple definition?
Drainage basins refer to the area of land drained by a major river and its tributaries. All rivers flow from the source (often in the mountains) to the mouth (the sea). The drainage basin is regarded as a closed system because water never leaves. Instead, it is recycled from one state to another.
How is a basin formed?
Why are basins important?
Catchment basins are vital elements of the ecosystem in which soil, plants, animals and water are all interdependent. Basins are vital to human existence, since they provide clean water for drinking; water for growing food; and water to nourish plant life, which provides the oxygen people breathe.
What does basin mean?
1a : an open usually circular vessel with sloping or curving sides used typically for holding water for washing a new washstand and basin. b chiefly British : a bowl used especially in cooking. c : the quantity contained in a basin spilled a basin of water on the floor.