restricted basin

restricted basin

[ri′strik·təd ′bās·ən]
(geology)
A depression in the floor of the ocean in which the water circulation is topographically restricted and therefore generally is oxygen-depleted. Also known as barred basin; silled basin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The Michigan Formation in what is now western Michigan probably formed in a shallow, marginal-marine, restricted basin or basins (e.g., restricted embayments, lagoons, or salinas).
One possible explanation for this difference is that runoff is concentrated in the restricted basin of the Norwegian Sea rather than being mixed by the currents of the open Atlantic Ocean.
Lewan [26] proposed that the phytoplankton residing in environments that are dominated by organic-derived [CO.sub.2] results in amorphous kerogens, which are expected to occur in restricted basins that are overlain by stratified shallow (<200 m) water.

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