Answer:

clayey

AnswerCrossword Clue
CLAYEYDescribing marl.
CLAYEYLike some soils.
CLAYEYMarly.
CLAYEYBolar
CLAYEYMudlike
CLAYEYArgillaceous
CLAYEYLike some earth
CLAYEYLike kaolin
CLAYEYLike a just-used potter's wheel
CLAYEYLike red soil
CLAYEYLike a modeler's work area, perhaps