Buffalo Head Hills kimberlite field grained, and well bedded, with high bedding angles. The reworked kimberlite is well sorted, distinctly bedded, and contains abraded olivine grains. Multiple layers of pyroclastic and reworked kimberlite separated by layers of marine mudstone are present at some pipes. These represent a series of discrete kimberlite eruption events separated by quiescent periods during which the muds were deposited. The majority of the BHH kimberlites are diamondiferous, in contrast to those of the Birch Mountains kimberlite field to the northeast which are mostly barren of diamonds. Based on petrography and whole-rock geochemistry, the BHH pipes are classed as Group 1A kimberlites.
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