Of the nature of clay; consisting of, or containing, argil or clay; clayey.
Composed mostly of clay.
Containing an appreciable amount of clay.
Containing a certain amount of clayey matter, such as shale.
A term used to indicate clayey soils.
Said of rock or sediment that contains, or is composed of, clay-sized particles or clay minerals.
resembling or containing clay; "argillaceous rocks"
Applied to rock or substances composed of clay minerals, or having a notable proportion of clay in the composition
Rocks or substances composed of clay minerals, or having notable proportion of clay in their composition such as shale and slate.
A term used to describe clay-rich rocks.
soils which are predominantly clay or abounding in clays or claylike materials.
(warning: gratuitous educational content) description of rock, simply stated, means a rock that contains clay sized particles
Containing mud and clays, which is composed of silica, aluminia and combined water.
Containing, made of, or resembling clay; clayey