Kimberlite and of those just over 30 have been economic enough to diamond mine. The deposits occurring at Kimberley, South Africa, were the first recognized and the source of the name. The Kimberley diamonds were originally found in weathered kimberlite, which was colored yellow by limonite, and so was called "yellow ground". Deeper workings encountered less altered rock, serpentinized kimberlite, which miners call "blue ground". See also Mir Mine and Udachnaya pipe, both in the Sakha Republic, Siberia. The blue and yellow ground were both prolific producers of diamonds. After the yellow ground had been exhausted, miners in the late 19th
Sometimes I Sit and Think, and Sometimes I Just Sit Courtney Barnett was announced as the winner of the 2015 Australian Music Prize award which is given for the best Australian album release of the year. Credits are adapted from liner notes of "Sometimes I Sit and Think, and Sometimes I Just Sit". Musicians Production Sometimes I Sit and Think, and Sometimes I Just Sit Sometimes I Sit and Think, and Sometimes I Just Sit is the debut studio album by Australian indie rock musician Courtney Barnett, released on 20 March 2015. The album received wide acclaim and was ranked as one of the best albums of 2015 by numerous