Rare earths content was tested using hydrofluoric acid, which is much stronger and more efficient than industrial methods, but is too hazardous to use on a large scale.
The figures demonstrate that developing nations in South East Asia require high quality coal to meet increased electricity demand, powered by the growing urbanization of the population.
Australian company A-Cap Resources (ASX:ACB) is a step further to developing Botswana's first uranium mine, after the government approved its environmental impact statement (EIA).
Suncor Energy (TSX, NYSE:SU) on Sunday announced the "safe and staged restart" of its oilsands operations after an approaching wildfire forced the company to abandon its camps north of Fort McMurray.