abyssal plain « Back to Glossary IndexRelatively flat ocean floor, which accumulates very fine grained detrital and chemical sediments. Synonyms: ocean floorRelated Articles: Glossary: turbiditeGlossary: magnetic striping12 CoastlinesGlossary: abyssalGlossary: ophiolite« Back to Glossary Index Author: Chris Associate Professor, Salt Lake Community College, Salt Lake City, Utah View all posts by Chris