Details revealed on lunar plans in coming decades.
TNK-BP, a Russian-British company, is under fire concerning 784 environmental accidents reported in 2011, compared with 20 by rival Lukoil.
Men reunited with their families after successful operation to free them after fears of gas leaks and more rock falls.
Officials promise to monitor situation after four-fold increase in size since February.
As much as two billion tonnes can be extracted from open-cast site over the next 167 years with hopes it can transform rural region.
Once the coal mining capital of Central Kolyma, it was ghosted after the 1996 mine explosion.
Even the giant nugget's 6,66 kg weight seemed to match the day.
'I've got to talk to my British colleague,' said the Russian president as he left a key fuel and energy session to take the phone call.
Vladimir Putin and Chinese president witness agreement that will see cross-border cooperation to work in massive Far East mine.
Governor takes charge of rescue operation and sends ‘don’t panic’ message plus blankets, water and food to coal workers.