Mining in Sierra Leone WikipediaHistory. Organised mining began in the 1920s with bauxite first being recorded in 1920 along the Falaba to Waia road. Diamonds were found in the early 1930s, fro

Supreme Court verdict on Sterlites bauxite mining …The Supreme Court will deliver its verdict on the validity of centre's withdrawal of environment clearance for bauxite mining in Odisha on T

Mining and Refining – ProcessAluminium is the most abundant metal in the earth’s crust. The aluminium-containing bauxite ores gibbsite, böhmite and diaspore are the basic raw material for

Crusher, stone crusher, aggregate processing …Zenith is one of the biggest manufacturers in Aggregate Processing Machinery for the sand & gravel, quarry, mining, construction and recycling in