Clayey in a sentence as an adjective

Science would suggest the ferri-manganiferous deposits in some more clayey regions of Sceocabroc are to blame.

Clayey definitions

adjective

resembling or containing clay; "argillaceous rocks"

See also: argillaceous

adjective

(used of soil) compact and fine-grained; "the clayey soil was heavy and easily saturated"

See also: cloggy heavy