Newcrest Mining waxay horumar cusub ka samaysay sahaminta mashruuca Red Chris ee British Columbia, Canada iyo mashruuca Havieron ee Galbeedka Australia.
Shirkaddu waxay ka warbixisay daahfur cusub oo laga helay aagga rajada ee East Ridge oo 300 mitir bari ka xigta Aagga Bari ee mashruuca Redcris.
Layliska dheemanka wuxuu arkayaa 198 mitir oo qoto dheer 800 mitir.Dahabku waa 0.89 g/ton, naxaastana waa 0.83%, oo ay ku jiraan dhumucdiisu tahay 76 mitir, darajada dahabka 1.8 g/ton iyo naxaasta 1.5% macdanta.Jirka macdanta ayaa dhan walba u yaal.Midkoodna ma dhex gelin.
Qodista suunka bariga ayaa sidoo kale lagu arkay macdan dahab ah oo heer sare ah, taasoo xaqiijinaysa kordhinta koonfureed ee macdanta.Qoto dheer oo ah 528 mitir, macdantu waa 524 mitir, darajada dahabkuna waa 0.37 g/ton, copper 0.39%, oo ay ku jiraan dhumucdiisuna tahay 156 mitir, darajada dahabka 0.71 g/ton, naxaas 0.59%, iyo 10 mitir dhumucdiisuna tahay 10 mitir, darajada dahabka ah 1.5 g /ton iyo 0.88% macdanta naxaasta.
Hadda, mashruucan waxa uu leeyahay 6 riig oo qodaya, kuwaas oo kor u qaadi doona 8 rubuca soo socda.
Mugga kheyraadka ugu horreeya ee RedChris waa la dhammeyn doonaa bishaan.
Gobolka Patterson, Galbeedka Australiya, qodista xoojinta macdanta Haweilong Gold Mine ee Shirkadda Macdanta Xinfeng waxay heshay macdan heersare ah.Shuruudaha gaarka ah ee miinadu waa sida soo socota:
◎ 97 mitir oo qoto dheer 500 mitir, darajada dahabka 3.9 g/ton, copper 0.5%, oo ay ku jiraan 15 mitir qaro weyn, darajada dahabka 9.7 g/ton iyo naxaasta 1.8% macdanta;
◎ 169.5 mitir oo macdan ah ayaa lagu arkay qoto dheer oo ah 711.5 mitir, darajada dahabku waa 3.4 g/ton, naxaas 0.33%, oo ay ku jiraan 58.9 mitir dhumucdiisuna tahay 58.9 mitir, darajada dahabka 6.2 g/ton iyo copper 0.23% macdanta;
◎Qoto dheer oo ah 537 mitir, 79.3 mitir oo macdan ah ayaa la arkay, oo leh darajo dahab ah 4.5 g/ton iyo naxaas 1.4%;oo ay ku jiraan dhumucdiisuna tahay 41.7 mitir, darajada dahabka ah ee 8.4 g/ton iyo naxaasta 2.6% macdanta;
◎ 109.4 mitir oo macdan ah ayaa lagu arkay qoto dheer oo ah 622 mitir, darajada dahabka ah waxay ahayd 5.9 g/ton, copper 0.63%, oo ay ku jiraan 24 mitir dhumucdiisuna, darajada dahabka 17 g/ton iyo copper 1.4% macdanta.
Jirka macdantu hoos uma gelin.Waqtigan xaadirka ah, mashruucu wuxuu qiyaasay in khayraadka dahabku yahay 3.4 milyan oo wiqiyadood iyo naxaasta 160,000 oo tan.