adjective. Containing, made of, or resembling clay; clayey.

Of the nature of or resembling clay.

Containing a considerable amount of clayey matter: as, argillaceous earth.

adjective. Of the nature of clay; consisting of, or containing, argil or clay; clayey.

adjective. a sandstone containing much clay.

adjective. the clay ironstone.

adjective. See Argillite.

adjective. undefined

adjective. pertaining to clay; made of, containing, or resembling clay

adjective. resembling or containing clay

"Hydraulic limestones, sometimes referred to as argillaceous limestones have a high proportion of clay and silicia (15-20 %) and can be either high calcium or magnesian."

argillaceous rocks  schist  

state  

Carboniferous  alluvial  aluminous  calcareous  chalky  

claye  clayey