Greenland has only one working mine, though more than 100 new sites are being mapped out.
Dr Schuster says they are now looking for a working mine with tunnels one kilometre deep to conduct more experiments.
It closed as a working mine in the 1980s but reopened in 2004 after being bought by the National Museum for Wales.
I'm starting a tour guide company now though, which includes a tour of a working mine.
Chabot and others will now set to work mining the massive trove of data about the planet.
Ukraine, once the pride of the Soviet Union for its huge coal-mining industry, has more than 200 working mines, most of them unprofitable.
Residents go to work mining potash, a raw material used in fertiliser.
For this purpose, the data has been generated on the lignite samples collected from all the working mines of the Cambay (Vastan, Rajpardi and Tadkeshwar mines).
In the past part of the population worked in coal mining, although there are no working mines in the area now.
Add an earth rune to it and now you have a working mining urn.
