Ngo-Okthoba 15, iqoqo lesithathu lokukhiqiza i-Toppi libika ngo-2021. Ngokombiko, esigabeni sesithathu sika-201, indawo yezimayini yase-Rio Tinto's Pilbara yathumela amathani ensimbi angu-83.4 million, okuwukukhula ngo-9% kusukela ngenyanga edlule kanye 2% ukwenyuka kwababili.U-Rio Tinto uveze embikweni ukuthi ngenxa yomthelela wokuphathwa kwama-freckles, amaphrojekthi okushintsha umthamo we-brownfield kanye nokubambezeleka kwesikhathi esingu-202, isibalo sezehlakalo zensimbi emayini yasePilbara esigabeni sesithathu sasiyizigidigidi ezingama-833, nokwehla okuhle ngo-4%. ukwanda kwenyanga nenyanga ngo-10%.
Ukwengeza, ngenxa ye-Rio Tinto, ngenxa yokubonakaliswa kwemizwelo eNtshonalanga ye-Australia, i-Kuddedley Valley Brownfield Project kanye ne-Lobo River Green Brownfield Capacity Replacement Project ibambezeleke kancane.Umsebenzi wokuthuthwa kwensimbi endaweni yezimayini zasePilbara eCanada ngo-2021 uzoba yizigidi ezingama-320.Amathani ~ 320 million amathani.Okuhlosiwe kwamabrikhethi ensimbi yaseCanada kanye namabrikhethi ensimbi eyimpushana ngesikhathi esifanayo kufinyelela amathani angama-950 kuya kumathani ayi-1050 (cabanga amathani ayi-1050 kuya ku-1200).