Gabon Exports of siliceous fossil meals (kieselguhr ), similar siliceous earths to Cameroon was US$6.41 Thousand during 2018, according to the United Nations COMTRADE database on international trade. Gabon Exports of siliceous fossil meals (kieselguhr ), similar siliceous earths to Cameroon - data, historical chart and statistics - was last updated on May of 2024.