Before revision: 377x377px|The Gulf of Mexico, which contains a significant nepheloid layerNepheloid layer or nepheloid zone is a layer of water in the deep ocean basin, above the ocean floor, that contains significant amounts of suspended sediment.Glossary of Geology, 5th Edition (American Geological Institute) It is from 200 to 1000 m thick.
After revision: 377x377px|The Gulf of Mexico, which contains a significant nepheloid layerA nepheloid layer or nepheloid zone is a layer of water in the deep ocean basin, above the ocean floor, that contains significant amounts of suspended sediment.Glossary of Geology, 5th Edition (American Geological Institute) It is from 200 to 1000 m thick.