Copper $ 5.8395 / lb 2.81%
Brent Crude Oil $ 60.64 / bbl -2.74%
Palladium $ 2023.3 / ozt 9.99%
Crude Oil $ 56.74 / bbl -2.76%
Natural Gas $ 3.879 / Btu 3.91%
Silver Futures $ 79.675 / ozt 9.56%
Aluminum Futures $ 2964.5 / ton -0.20%
Micro Gold Futures $ 4585.7 / ozt 1.51%
Micro Silver Futures $ 79.675 / ozt 10.17%
Platinum $ 2471.4 / ozt 7.77%
Gold Futures $ 4552.7 / ozt 0.65%
Go to MDC Markets

"Underground city" copper mine in Minnesota inches forward

Andrew Topf | March 29, 2012 | 5:43 am Base Metals Precious Metals Africa Europe Copper Gold Nickel 

A proposal for a large underground copper mine in Minnesota reached a milestone last week. Twin Metals Minnesota LLC - a joint venture beween Duluth Metals and Chilean company Antofagasta Plc - said on March 21st that it has engaged...

Mining.com Recommends

Contest Ranking Modal BG Contest Ranking Modal BG
Contest Ranking Title

Your Rankings.

The new Mining Power Rankings are live. Vote for the sector’s leaders in each of the Large-, Small-, and Micro-Cap leagues.

Vote Now