2008 - USGS Mineral Resources Programmining and quarrying sector during the fourth quarter of 2008. Owing to . defines rock mineral as clay, granite, gravel, line, ... and Pasir Gudang, Johor.granite mining in johor,Natural radioactivity measurements in the granite rock of quarry sites .Aug 24, 2012 . This study was conducted to determine the concentration of natural radionuclides in the granite rocks of selected quarry sites in Johor state,.
granite mining in johor