Mineral mixture containing semisolid brown or black bitumen, used in the construction industry.

Asphalt is mixed with rock chips to form paving material, and the purer varieties are used for insulating material and for waterproofing masonry. It can be produced artificially by the distillation of petroleum.

1. A road-surfacing material composed of asphalt and crushed glass.
2. A blend of glass and asphalt.

• Glass: A hard, usually transparent substance that shatters easily composed of sand melted in combination with other oxides; such as, lime or soda and used as windows, bottles, lenses, etc.
• Asphalt: A paving material composed mainly of asphalt and gravel that hardens on cooling and is used for making hard surfaces for roads, parking lots, sidewalks, etc.