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
Gas-s-s-s and he only made one more movie before a twenty-year sabbatical. " A great deal of care went into what I was saying and how I was going to say it," he said of "Gas-s-s-s". "The finished picture does not evidently make all these points. It discourages me and so for a little while I prefer to step away ... Directing is very hard and very painful. Producing is easy. I can do it without really thinking about it." Corman did, however, go on to produce "Boxcar Bertha" for AIP. "Gas-s-s-s" found a fresh audience on late night television in