Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 453

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 453
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ores within the paleo-channel of a channel iron formation.Some detrital mineralisation also occurs.West Angelas deposits: mineralisation occurs as goethite/haematite within the banded iron formations of the MarraMamba Formation and haematite/goethite within the bandediron formation of the Brockman Formation. Some detritalmineralisation also occurs.Processing plants and other available facilitiesOre from the Robe Valley mines of Mesa A and Mesa J isprocessed through either dry crushing and screening plants orthrough wet processing plants using scrubbing and screening toremove finer particles. Crushed and deslimed ore from the RobeValley mines is railed to Cape Lambert, where further drycrushing and screening through a dedicated processing plantproduces lump and fines iron ore products.At West Angelas mine, dry crushing and screening is used toproduce lump and fines iron ore products.The processing plants within the Hamersley Iron network varyconsiderably in age, and many plants have been subject tobrownfields development since original construction. All plantsare subject to an ongoing regime of sustaining capitalinvestment and maintenance, underpinned by asset integrityaudits, engineering inspections, engineering life cycles for keyequipment and safety inspections and audits.Power sourceSupplied through the integrated Hamersley and Robe powernetwork operated by Pilbara Iron. |
| PropertyDampier Salt PortHedland, DampierMine–Ownership68.4% Rio TintoDampier Salt is a jointventure betweenRio Tinto (68%),Marubeni Corporation(22%) and Sojitz (10%)OperatorRio Tinto (DampierSalt Limited)LocationGascoyne and Pilbararegions, WesternAustralia                                                  |     | Access and infrastructureRoad and port.Title/lease/acreageDampier Salt Dampier operation State Agreement Mineral andMining leases are held under theDampier Solar Salt IndustryAgreement Act 1967 (ML253SA, 14,710ha), and expire in 2034.Dampier Salt Port Hedland operation State Agreement Mineraland Mining leases are held under theLeslie Solar Salt IndustryAgreement Act 1966(M269SA, 2,459ha; ML242SA,19,503.291ha and ML250SA, 1,381ha) and expire in 2029.Key permit conditionsState Agreement conditions are set by the Government of WesternAustralia and broadly comprise environmental compliance andreporting obligations; closure and rehabilitation considerations;local procurement and