Mineral industry of Africa in 2005 from 16.1% in 2004. In 2005, the principal mineral targets in Africa were copper, diamond, gold, and platinum group metals (PGM). African countries that experienced the highest levels of exploration activity in 2005 were, in descending order based on the number of exploration sites as compiled by the USGS, South Africa, Burkina Faso, Ghana, and Zambia, but activity took place in a number of other countries. Gold accounted for approximately 51% of reported African exploration projects, diamond accounted for about 14%, copper and PGM each accounted for about 11%, and nickel accounted for 5%. Early stage projects accounted
Suburbs of Johannesburg Suburbs of Johannesburg The suburbs of Johannesburg are officially demarcated areas within the city of Johannesburg, South Africa. As in other Commonwealth countries, the term "suburb" refers to a "neighbourhood", although the term has a somewhat stronger meaning in South Africa as most (but not all) "suburbs" have legally recognised borders (see legal definition of township) and often (but not always) separate postal codes. The municipal functions for the area, such as municipal policing and social services, are still managed by the city government. Johannesburg, like many other boom towns, grew rapidly and with little planning, and thus the city