Ebe a na-egwupụta ihe na Nchanga

30 Ebe ogbunigwe Nchanga bụ otu ọrụ na-egwupụta ọla kọpa na nso obodo Chingola na Zambia.

 Nchanga Open Pit Mine 
Oghere mepere dị na Nchanga Mine dị n'ụdị mkpuchi 11 km ogologo gburugburu obodo Chingola na Zambia .  Na-ekpuchi ihe nke nta ka ọ 30 km² ọ bụ nke abụọ mepere emepe nke abụọ n'ụwa.  [1] nne kacha ike nke olulu ahụ dị 400 m ala mpaghara ala gbara ya gburugburu.

Open Pit mining na Nchanga malitere na 1955, na isi Nchanga Open Pit. N'ikpeazụ, a na-egwupụtakwa olulu itoolu ndị nwere ọkara ọkara, nke a na-akpọ olulu satịlaịtị, n'otu oge ma ọ bụ ọzọ.

Ka ọ dị ugbu a, Ngwuputa ihe na-elekwasị anya na isi olulu Nchanga, na satịlaịtị akwadoro maka ịgbatị n'ọdịnihu, ka akụ na ụba na nhazi nkà na ụzụ na-emepe emepe. A na-akpọkọ ha ọnụ n'ụzọ nkịtị ka Nchanga Open Pits.

 Nchanga Underground Mine 
Ihe ogbunigwe n'okpuru ala Nchanga bụ ihe dịka 45% nke mkpokọta ọla kọpa na Nchanga. N'ime afọ 10 gara aga, mmepụta a na-emepụta kwa afọ ejirila nkezi 93,00 nke ọla kọpa dị n'ime ya. Ugbu a, enwere ozu ọla atọ dị iche iche sitere na ya na-esi na-egwupụta akụ, ya bụ, orebody dị ala (LOB), Block 'A' na Chingola 'B'. Ndị a na-atụnye ụtụ ọla kọpa 63%, 35% na 8% n'otu n'otu. 

 Osisi Usoro Nchanga 
Osisi nhazi nke Nchanga nwere ihe nke abụọ, East Mill na West Mill na ọdụdụ .

East Mill na-ọkọ sitere na olulu mepere emepe ebe West Mill na- onyeisi isi na ala.  Na mgbakwunye, na-na-na-akpa cobalt na West Mill Cobalt Plant.  Osisidụ ọdụ na-ahụ cathodes ọla kọpa site na ọdụ ụgbọ mmiri na-azụ azụ azụ.

 Ntụaka