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
Henry S. Ives years. With partners George H. Stayner and Thomas C. Doremus, he founded the firm of Henry S. Ives and Company in 1886, while still in his 20s. The firm immediately began acquiring the stocks of railroad companies, inflating their stock prices, which provided additional borrowing leverage for more acquisitions, then raiding their corporate treasuries once they'd assumed control. He controlled the Mineral Range Railroad in Michigan, the Terre Haute and Indianapolis, and his largest conquest was the Cincinnati, Hamilton and Dayton Railway in 1886. In May 1887 the expulsion and later unexplained re-admission of Doremus as a member of the