Iran Gilsonite rock after deposition of up to millions of years, changes in the combined effect of heat, pressure, oxidation, touch coal, bacteria and other substances generated Gilanegharb-Iran. Physical properties of gilsonite rock of close to "coal", more resistant to rutting, anti-spalling, anti-aging, high temperature and weathering resistance and other features.
So gilsonite ore has been widely used paved roads and heavy traffic and transportation road. In this technology, gilsonite ore played a certain effect, and traffic problems will be alleviated. However, with the rapid growth of global economy, gilsonite ore widely used in other section, such as drilling fluid,ink,foundry.All of gilsonite ore coming from underground mining in depth of 20 to 100m trough tunnel and conveyer to bring out the Gilsonite ore.