re: Ann: Marengo Restructure to Redomicile to... 2011 global copper product was 19.7MT, and copper mining ore grade was average 0.81%, combined with open pit mining and underground mining.
The world copper mining grade is decreasing 0.01%~0.02% annually, and now the low grade Yandera looks not too bad any longer.
Waiting for the Yandera mining cost in the coming FS.
Cheers