mining

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Tests Will Tell if Big Stone Is Indeed Gem

Could be world’s largest diamond

(Newser) - A South African mining company will know soon if they’ve found the world’s largest diamond, with tests scheduled for next week. The light-green stone was found several days ago; experts say it may turn out to only a fluorite crystal, the BBC reports. A spokesman for De Beers,...

Which Came First: Quake or Collapse?

It's geologists vs. mine owner on cause of Utah disaster

(Newser) - A cave-in method of coal extraction called “retreat mining,” recently okayed by regulators for Crandall Canyon, was more likely to have caused the Utah mine disaster than an earthquake, seismographers tell the Los Angeles Times. And they say the massive tremor was consistent with the type  “induced...

Miners Dig for Gold in Belgian Museum
Miners Dig for Gold in Belgian Museum

Miners Dig for Gold in Belgian Museum

A collection of colonial-era maps of the Congo draws mining firms to musty stacks

(Newser) - A Belgian museum filled with stacks of faded geological maps of the Congo—a former colony—has become an unlikely mecca for mining companies searching for new deposits. With prices soaring and on-site exploration impeded by armed militias, drillers are eager to shell out hefty research fees to the Royal...

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