Ma ʻOkakopa 15, ʻo ke kolu o ka pūʻulu o ka hōʻike hana hana Toppi ma 2021. Wahi a ka hōʻike, i ke kolu o ka pūʻulu o 201, ʻo Rio Tinto's Pilbara mining wahi i hoʻouna aku i 83.4 miliona mau toni hao, he piʻi o 9% mai ka mahina i hala a me kahi. 2% hoʻonui i ka pālua.Ua hōʻike ʻo Rio Tinto i ka hōʻike ma muli o ka hopena o ka hoʻokele freckles, brownfield hiki ke hoʻololi i nā papahana a me ka 202 manawa lohi, ʻo ka nui o nā mea hao i loko o ka lua Pilbara i ke kolu o ka hana he 833 biliona, me kahi hāʻule maikaʻi o 4% a. ka piʻi ʻana o ka mahina ma ka mahina o 10%.
Eia kekahi, ma muli o Rio Tinto, ma muli o ka manaʻo o ka manaʻo ma Western Australia, ua lohi iki ka Kuddedley Valley Brownfield Project a me ka Lobo River Green Brownfield Capacity Replacement Project.ʻO ka hana hoʻouna hao o ka wahi mining Pilbara ma Kanada ma 2021 he 320 miliona.Tons ~ 320 miliona tons.ʻO ka pahuhopu o nā briquettes hao Kanada a me nā briquettes hao pauka maikaʻi i ka manawa like a hiki i 950 tons a 1050 tons (e noʻonoʻo ʻoe 1050 tons a 1200 tons).