Mining - Kenya - export, annual - Encyclopedia of the NationsMining and quarrying accounted for less than 1% of Kenya's GDP in 2000, having declined steadily since the end of World War II. Kenya was chiefly known for its production of fluorspar, line, gemstones, salt, soapstone, and soda ash. Cement was a leading industry and export commodity in 2002; production fell by.line mining kenya,The Mineral Industry of Kenya in 2010 - USGS Mineral Resources .2010 Minerals Yearbook. U.S. Department of the Interior. U.S. Geological Survey. KENYA. August 2012 . Most of Kenya's mining and mineral processing operations were privately owned, including the diatomite, fluorspar, gemstone, salt, and soda ... Line for dimension stone. 36,000. 41,000. 42,000. 38,000. 40,000.