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.
References in periodicals archive ?
2] results in amorphous kerogens, which are expected to occur in restricted basins that are overlain by stratified shallow (<200 m) water.
Isotopic excursions may be regional in scope resulting from the formation of restricted basins during the rifting of Rodinia where waters in enclosed or semi-restricted basins are in disequilibrium with global surface oceans (Shields et al.

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