Texas Stadium, the now-demolished former home of the Dallas Cowboys in Irving. Irving was founded in 1903 by J.O. Otto Schulze and Otis Brown. It is believed that literary author Washington Irving was a favorite of Netta Barcus Brown, and consequently the name of the town site, Irving, was chosen.
Shale is a fine-grained sedimentary rock that forms from the compaction of silt and clay-size mineral particles that we commonly call mud. This composition places shale in a category of sedimentary rocks known as mudstones. Shale is distinguished from other mudstones because it is fissile and laminated.
slate noun (ROCK) âº [ 1  C or U ] a dark grey rock that can be easily divided into thin pieces, or a small, thin piece of this used to cover a roof. âº [ 2  C ] in the past, a small, thin, rectangular piece of slate (= rock), usually in a wooden frame, used for writing on, especially by children.