(He hopes to recoup the money through mining and selling plots to other players).
Congolese militias and rogue army units, whose members rape and murder with abandon, finance themselves through mining and extortion from miners.
Mr. Ai said he is almost through mining his detention for his art, but there is one more project to come.
Motsepe made his fortune through mining interests that eventually expanded in 2004 to form a successful multifaceted mining company, African Rainbow Minerals (ARM).
One is through mining and processing, a relatively expensive method that produces the metal mostly for glass, ceramics and the manufacturing of television tubes.
To produce a barrel of synthetic crude through mining takes roughly eight hundred and ten megajoules, which is the energy content of about an eighth of a barrel of oil.
The mysterious account that made the investment had at one point accumulated 77,600 bitcoin, mostly through "mining" operations, an amount which would now be worth approximately $64 million.
And "Hawaii Five-0" is scoring well in data compiled by Zeta Interactive, a digital agency in New York, which monitors online media like blogs, message boards and Twitter through mining technology it calls Zeta Buzz.
They say that emissions from development — through mining or steam heating out of the ground followed by upgrading for shipment — are more harmful than those that come from extracting most conventional crude oil.
When coal seams are exposed to air through mining operations, the pyritic ferrous sulfide deposits are attacked by A. ferrooxidans to generate sulfuric acid, which lowers the pH to 2.0 or even 0.7.
He says that Congo "lost out on at least $1.4bn through mining deals struck by blue-chip firms Glencore and ENRC – that's equivalent to twice what the country was spending on health and education combined".
