Talk:Sill

Another geologic def?
These examples do not seem to be included, quotes:

Zanclean_flood The Zanclean flood occurred when the Strait of Gibraltar opened.[14] Tectonic subsidence of the Gibraltar region may have lowered the sill until it breached.[7 

Camarinal Sill  the Espartel Sill, at 35°56′N 5°45′WCoordinates: 35°56′N 5°45′W, at an elevation of −280 m.  The Camarinal Sill is the sill separating the Mediterranean Sea and the Atlantic Ocean.  the Sicily Sill (located at the present Straits of Sicily) formed a barrier separating its basin from the Eastern Mediterranean basin;[27] in addition a sill may have existed in the eastern Alboran Sea at this time. — Preceding unsigned comment added by 2602:306:CFCE:1EE0:1DD4:F5FC:1EF5:91BB (talk) 18:19, 2 December 2018 (UTC)