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
José S. Alegría city walls of Old San Juan. The city of Dorado honored his memory by naming a high school, Jose S. Alegria High School, after him. José S. Alegría José S. Alegría (July 17, 1886 – July 29, 1965), was a poet, writer, lawyer and politician. Alegría was a founding member of the Puerto Rican Nationalist Party and president of the political organization from 1928 to 1930. Alegría was born in the town of Dorado, Puerto Rico where he received his primary and secondary education. In 1901, he earned a teachers certificate. Alegría became interested in politics at a young age