, ▁which ▁amount ed ▁to ▁ 3 2 2   kg , ▁from ▁the ▁Gu el b ▁M og hre in ▁co pper - g old ▁mine ▁in ▁July ▁ 2 0 0 6 . ▁The ▁designed ▁capacity ▁of ▁the ▁mine ▁was ▁about ▁ 2 , 2 0 0 ▁kil og rams ▁per ▁year ▁( kg / yr ) ▁of ▁gold ▁( report ed ▁as ▁ 7 0 , 0 0 0 ▁tro y ▁ oun ces ▁per ▁year ). ▁Canada - based ▁Rio ▁Nar ce a ▁Gold ▁M ines ▁Ltd . ▁continued ▁to ▁work ▁on ▁the ▁development ▁of ▁the ▁T asi ast ▁gold ▁mine . ▁Const ruction ▁work , ▁which ▁was ▁on going ▁throughout ▁ 2 0 0 6 , ▁was ▁expected ▁to ▁be ▁completed ▁by ▁the ▁first ▁half ▁of ▁ 2 0 0 7 , ▁with ▁first ▁production ▁scheduled ▁to ▁begin ▁shortly ▁there after . ▁in ▁October , ▁the ▁company ▁announced ▁a ▁re vised ▁min eral ▁resource ▁estimate ▁of ▁about ▁ 1 2 ▁M t ▁at ▁a ▁grade ▁of ▁ 2 . 7   gram s ▁per ▁metric ▁ton ▁( g / t ) ▁gold ▁compared ▁with ▁a ▁previous ▁resource ▁estimate ▁of ▁about ▁ 8 . 9 ▁M t ▁at ▁a ▁grade ▁of ▁ 3 . 0 8 ▁g / t ▁gold . ▁The ▁mine ▁was ▁expected ▁to ▁produce ▁about ▁ 3 , 3 0 0   kg / yr ▁( report ed ▁as ▁ 1 0 5 , 0 0 0 ▁tro y ▁ oun ces ▁per ▁year ) ▁during