- An extremely fine-grained
deposit found on the deep ocean floors, most abundantly in the Pacific Ocean. Derived from
the continents and drifted to the open ocean, where the clay-sized particles settle.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
a. York. Hessle boulder clay. Arkell
Dictionary of Mining, Mineral, and Related Terms