nigeria 2004 32 1 references that include a section mark are found in the internet cited mineral industry of by philip m mobbs hydrocarbon sector dominated nigerian economy according to data compiled us energy information administration 2005 s production crude petroleum and condensate exceeded kuwait united arab emirates which moved up position ninth leading producer world volume was member organization exporting countries opec remained africa oil addition hydrocarbons artisanal miners companies produced columbium niobium tantalum gold lead tin zinc ores copper steel industrial commodities such as barite cement clays coal feldspar gemstones gypsum phosphate rock stone accounted for about 34 country gross domestic product gdp revenues 25 billion were attributed natural gas 86 total government controversy continued cloud distribution income central bank p 127 140 adeshida aziken
