Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 455

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 455
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, housing, and cafeteria facilities to supportemployees and contractors on site–Warehouse buildings and laydown facilities to supportoperations and projects on site.Title/lease/acreageRights conferred by Government under Chilean Mining Code.764 concessions throughout the site with a total of 406,018ha,including 18 main mineral rights leases with a total of 58,934ha.Key permit conditionsAnnual tenement payments (due March each year). Thecurrent business operates under the rights conferred by theGovernment under the Chilean Mining Code and includes keyunderlying documents such as the Environmental ImpactAssessment Permit as well as the Closure Plan Permit.HistoryProduction started in 1990 and since then capacity has beenexpanded numerous times. In 1998, first cathode was producedfrom the oxide leach plant, and during 2006 the sulphide leachplant was inaugurated, a year after the start of Escondida Nortepit production. In 2016, the 3rd concentrator plant wascommissioned. |     | Property description/type of mineTwo active surface open pit mines in production, Escondidaand Escondida Norte with ore being processed via 3processing options, oxide leach, sulfide RoM leach, orconventional flotation concentrators.This Property is considered a production stage property forSK-1300 reporting purposes.Type of mineralisationConsists of a series of porphyry deposits containing copper,minor gold, silver, and molybdenum.Processing plants and other available facilitiesLos Colorados, Laguna Seca Line 1, and Laguna Seca Line 2Concentrators. Oxide leach facility (OLAP), SL RoM leachfacility and SX/EW facility.Power sourceSupplied from grid under various contracts with local generatingcompanies. |
| PropertyRio Tinto KennecottOwnership100% Rio TintoOperatorRio Tinto (KennecottUtah Copper LLC)LocationNear Salt Lake City,Utah, US                                                            |     | Access and infrastructurePipeline, road and rail.Title/lease/acreageWholly owned – approximately 95,000 acres in total.Key permit conditionsPermit conditions are established by Utah and US Governmentagencies and comprise:–environmental compliance and reporting–closure and reclamation requirementsHistoryInterest acquired in 1989. In 2012, the pushback of the southwall commenced, extending the mine life from 2018 to 2032.Approval for underground mining at Lower Commercial Skarnwas obtained in