A report issued by the Arab Industrial Development and Mining Organization (AIDMO) confirmed that Sudan has large reserves of gold, chrome and manganese.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sudan-has-large-reserves-various-minerals-report
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/sudan-tribune
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/minerals
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sudan
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gold
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa