First you need to screen for rubber, gravel, cement dust and cigarette butts.
Platinum Group Metals Mining News
Shares were up more than 5% after the firm posted higher output across all divisions, except for copper, and said market conditions for its diamond business had improved.
He envisions people living in big glass-carbon fiber domes on the surface, with additional areas mined out below the surface by robots for "industrial" uses.
AMCU has been demanding pay hikes of more than 50% for its lowest paid members and a 15% hike for its higher paid members.
Weakening currency supplies fatter margins for South African mines responsible for nearly three-quarters of global platinum production.
The company remains confident the sale of its Rustenburg mines in South Africa to Sibanye Gold will clear its last regulatory hurdle before the end of the year.
While many still see space mining as science fiction, global recruitment expert Fircroft has compiled data that proves it feasible.
While met coal is clearly the star performer, thermal coal is probably the biggest upset – seaborne prices have jumped 65% in 2016 to above $80 a tonne.
Despite continued investment in copper assets on the continent from China and India hunting for coal mines.
A credit upgrade, a rocketing share price and rally in coal and iron ore call into question downsizing strategy of world's number five miner.
The current lithium frenzy will end badly while gold bugs should look at the riper opportunities available in copper and platinum, according to mining financier Robert Friedland.
One year ago the most popular post at MINING.com examined how much longer the bear market in mining would last – compare and contrast.
Chronic underinvestment in platinum mines has exacerbated supply crunch.
Value of South Africa's mining industry forecast to contract 11.4% in 2016, followed by years of close to zero growth according to new report.
The main challenge for mining near-Earth celestial bodies is neither technology nor cost, but simply “convincing people it is realistic,” says Dr. Phil Metzger.
Anglo American Platinum forced to stockpile concentrate and shut down smelter in South Africa responsible for one fifth of its refined platinum output.
PGMs down nearly 10% and manganese production down 24%.
OSIRIS-REx will collect samples from an asteroid and return them to Earth, in what it could be a pivotal step for firms currently planning to tap into the space mining business.
South African labour union that led a bruising 20-week strike in 2014 declares dispute with top producers over 50% wage hike demands.
South Africa's Public Investment Corporation (PIC), which owns 14.5% of Anglo, believes the mining giant may not realize the full value of its assets.
The miner said it was is currently assessing the operational and financial situation of its platinum division, which may require "remedial action".
And one that's ultra-bearish.
Large scale futures speculators and PGM investors in physically-backed exchange traded funds are taking wildly different views of the outlook for the metals.
South Africa's state pension fund is pushing Anglo to spin off all its assets in the country, including the miner's coveted platinum mines.