Rescuers were searching for four missing miners in southwestern Poland on Wednesday after an earth tremor caused rockfalls deep underground in a copper mine owned by KGHM.
Afghanistan has reserves of coal, copper, iron ore, zinc, mercury, rare earths, gems such as rubies and emeralds, gold and silver worth about $3 trillion.
The more than 2,000 people who gathered in Ulaanbaatar's Freedom Square claimed foreign companies have exploited Mongolia's mineral wealth, which accounts for 94% of the nation's exports.
A wall in a vast coal pit collapsed in the central Philippines early Friday, killing five workers and leaving at least four others missing at a site where a similar deadly accident occurred two years ago, a governor said Friday.
The gang members, dressed in fluorescent vests and hard hats, calmly carried bags and wheeled garbage bins into a high-security storage facility in London's diamond district.
Less than five years after an explosion fueled by excess coal dust killed 29 men deep inside a West Virginia underground mine, the nation's coal mines are on pace for an all-time low in work-related deaths.
Ten Chinese miners were found dead Sunday hours after they were trapped underground in an explosion at a mine in the northeastern province of Heilongjiang, state media said.