Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 451

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 451
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 to routine inspections and ongoinginvestment and maintenance programs to ensure these remainfit for purpose.Title/lease/acreageMining lease expires in 2027 with two options to extend of21 years each. Mining lease held underIron Ore (Hope Downs)Agreement Act 1992.Area of M282SA approximately57,222ha.Key permit conditionsState Agreement conditions are set by the Government ofWestern Australia and broadly comprise environmentalcompliance and reporting obligations; closure and rehabilitationconsiderations; local procurement and community initiatives/investment requirements; and payment of taxes andgovernment royalties.The current business also operates under an ILUA whichincludes commitments for payments made to trust accounts;Indigenous employment and business opportunities; andheritage and cultural protections. |     | HistoryJoint venture between Rio Tinto and Hancock Prospecting.Construction of wet plant processing to 15Mtpa commenced2011 and first production occurred 2013.Property description/type of mineAll mines operated by Rio Tinto within the property are open pitmines. The mining method employed uses conventionalsurface mining, where shovels and loaders are used to loaddrilled and blasted material into trucks for removal to wastedumps or feed to process plants.In addition to mining activities, Rio Tinto conducts bothexploration and development activities across the property.This Property is considered a production stage property forSK-1300 reporting purposes.Type of mineralisationMineralisation at Hope Downs 4 occurs as haematite/goethitemineralisation hosted within the banded iron formations of theBrockman Formation.Processing plants and other available facilitiesOre from Hope Downs 4 is processed through the Hope Downs4 processing plant. Wet scrubbing and screening are used toseparate lump and fines products, prior to desliming of finesproduct using hydrocyclones.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. |

| Annual Report on Form 20-F 2024 | 305 | riotinto.com |

Production, Mineral Reserves, Mineral Resources and operations | Mines and production facilities

| PropertyAustralian PilbaraOperationsMineRobe River IronAssociates:Robe Valley mines:–Mesa A–Mesa J