http://www.bloomberg.com/apps/news?pid=newsarchive&sid=aiyKnEEj9q...

http://www.bloomberg.com/apps/news?pid=newsarchive&sid=aiyKnEEj9qZ0

Due to power shortages china has been shutting mines......
three zinc smelters are also in shanxi
2/3rds of chinas coal mines
also copper

Small Mines Shut

Aggravating the shortfall, China has been shutting thousands of small and unsafe mines in Shanxi and other areas. China generates almost 80 percent of its power from coal, with the northern province its biggest producing region.