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
William S. Rukeyser William S. Rukeyser William S. Rukeyser (born 1939) is an American journalist who was the founding managing editor of "Money" magazine and managing editor of "Fortune". From its founding in 1998 until 2009 Rukeyser was editorial director of "Corporate Board Member" magazine, aimed at the directors of public companies. He also has appeared on television as a financial commentator on CNN Financial News and ABC. He is the son of the late financial journalist Merryle S. Rukeyser and the younger brother of the late financial journalist and commentator Louis Rukeyser of "Wall Street Week" fame. Rukeyser attended Princeton University, graduating