Volcanic rock While still dominated by silicates, more primitive volcanic rocks have mineral assemblages with less silica, such as olivine and the pyroxenes. Bowen's reaction series correctly predicts the order of formation of the most common minerals in volcanic rocks. Occasionally, a magma may pick up crystals that crystallized from another magma; these crystals are called xenocrysts. Diamonds found in kimberlites are rare but well-known xenocrysts; the kimberlites do not create the diamonds, but pick them up and transport them to the surface of the Earth. Volcanic rocks are named according to both their chemical composition and texture. Basalt is a very
Latin Grammy Award for Best Rock Solo Vocal Album Latin Grammy Award for Best Rock Solo Vocal Album The Latin Grammy Award for Best Rock Solo Vocal Album was an honor presented annually at the Latin Grammy Awards, a ceremony conducted by the Latin Academy of Recording Arts & Sciences to "recognize excellence and create a wider awareness of the cultural diversity" and contributions of Latin recording artists in the United States and internationally. According to the category description guide for the 2009 Latin Grammy Awards, the award was given to vocal rock, hard rock or metal albums containing at least 51 percent of newly recorded material. It was