turbidite
noun
tur·bi·dite ˈtər-bə-ˌdīt 
: a sedimentary deposit consisting of material that has moved down the steep slope at the edge of a continental shelf
also : a rock formed from this deposit
Example Sentences
Recent Examples on the Web Nowadays, the bigger the storm, the bigger the grain size of the resultant turbidite. 
The Economist, 19 Oct. 2017 Thus, Dr Toomey argues, these particular turbidites must have been formed, as similar deposits are today, by hurricanes. The Economist, 19 Oct. 2017 Dr Toomey looked in the cores for layers of turbidite, a rock that forms when sediment gets disturbed, flows down marine slopes and is deposited as a jumbled mess on the ocean floor. The Economist, 19 Oct. 2017 Check out these strikingly rhythmic turbidite beds. Brian Romans, WIRED, 30 Aug. 2007
The Economist, 19 Oct. 2017 Thus, Dr Toomey argues, these particular turbidites must have been formed, as similar deposits are today, by hurricanes. The Economist, 19 Oct. 2017 Dr Toomey looked in the cores for layers of turbidite, a rock that forms when sediment gets disturbed, flows down marine slopes and is deposited as a jumbled mess on the ocean floor. The Economist, 19 Oct. 2017 Check out these strikingly rhythmic turbidite beds. Brian Romans, WIRED, 30 Aug. 2007 Word History
Etymology
turbidity current (a current flowing down a slope and spreading out on the ocean floor) + -ite entry 1
First Known Use
1957, in the meaning defined above