Slate+clay
31Clay pit — A clay pit is a quarry or mine for the extraction of clay, which is generally used for manufacturing pottery, bricks or Portland cement. The brickyard or brickworks is often located alongside the clay pit to reduce the transport costs of the raw… …
32slate — [[t]sleɪt[/t]] n. v. slat•ed, slat•ing 1) pet a fine grained rock formed by the metamorphosis of clay, shale, etc., that tends to split along parallel cleavage planes, usu. at an angle to the planes of stratification 2) pet a thin piece or plate… …
33Bowlder clay — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… …
34Brick clay — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… …
35Fire clay — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… …
36Porcelain clay — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… …
37Potter's clay — Clay Clay (kl[=a]), n. [AS. cl[=ae]g; akin to LG. klei, D. klei, and perh. to AS. cl[=a]m clay, L. glus, gluten glue, Gr. gloio s glutinous substance, E. glue. Cf. {Clog}.] 1. A soft earth, which is plastic, or may be molded with the hands,… …
38Detroit Cornice and Slate Company Building — U.S. National Register of Historic Places Michigan State Historic Site …
39Weald Clay — is a Lower Cretaceous sedimentary rock underlying areas of South East England. It is part of the Wealden Group of rocks. The clay is named after the Weald, an area of Sussex. It varies from orange and grey in colour and is used in brickmaking.The …
40alum-slate — alˈum shale or alˈum slate noun A slate consisting mainly of clay, iron pyrites and coaly matter, from which alum is obtained • • • Main Entry: ↑alum …
