the plant was designed with the capacity to process about 1 mt/yr of ore. diamonds from the deposit are of gem quality, which accounted for the high appraisal value of the reserves at $12 billion. the diamond deposit's effective life was estimated to be about 50 years from the time the plant was put into operation.
the region is a major exporter to the world of gold, uranium, chromium, vanadium, antimony, coltan, bauxite, iron ore, copper and manganese. south africa is a major exporter of manganese as well as chromium. a 2001 estimate is that 42% of the world's reserves of chromium may be found in south africa.
vanadium is the 20th most abundant element in the earth's crust; metallic vanadium is rare in nature known as native vanadium , but vanadium compounds occur naturally in about 65 different minerals. at the beginning of the 20th century a large deposit of vanadium ore was discovered, the minas ragra vanadium mine near junín, cerro de pasco , peru . vanadium redox battery history characteristics chemistry occurrence productionenvironmental impact of iron ore mining
iron in ore iron is most commonly found in the form of magnetite fe 3 o 4 , hematite fe 2 o 3 , goethite feo oh , limonite feo oh ·n h 2 o or siderite feco 3 . roughly 98% of iron ore on the global market is used in iron and steel production.
sub-saharan africa has a wide variety of climate zones or biomes. south africa and the democratic republic of the congo in particular are considered megadiverse countries.it has a dry winter season and a wet summer season. the sahel shoots across all of africa at a latitude of about 10 to 15 n. countries that include parts of the sahara desert proper in their northern territories and parts .