Kimberlite tailings suitability of this material for use in bituminous mixes. The laboratory studies indicate that kimberlite tailings can be used in subbase and base course layers in a road pavement. They can also be used in bituminous macadam as the base course and in premix carpet as a wearing course. A 1-km-long road was constructed near the diamond mine using kimberlite tailings, and its performance was monitored during a period of 1 full year. The road's performance was found to be satisfactory. However, since kimberlite is one of the fastest weathering rocks found on the surface of the Earth it is
Grammy Award for Best Male Rock Vocal Performance Originally called the Grammy Award for Best Rock Vocal Performance, Male, the award was first presented to Bob Dylan in 1980. Beginning with the 1995 ceremony, the name of the award was changed to Best Male Rock Vocal Performance. However, in 1988, 1992, 1994, and since 2005, this category was combined with the Grammy Award for Best Female Rock Vocal Performance and presented in a genderless category known as Best Rock Vocal Performance, Solo. The solo category was later renamed to Best Solo Rock Vocal Performance beginning in 2005. This fusion has been criticized, especially when females are not nominated