ProjectProponent: Mt Weld Mining Pty LimitedProposal description: Mt Weld Mining Pty Ltd proposes to expand the Mt Weld Mine, which includes the construction and operation of a rare earths mine and processing plant, to its life of mine extent. The expansion proposes to increase the development envelope from the currently approved 505 hectares (ha) to 2,802 ha, to allow for expansion of infrastructure and activities, including: a staged transition from diesel fuelled power generation to gas hybrid renewable (including solar and battery energy storage, and future wind generation) workers accommodation village additional borefield and tailings water recycling waste rock landforms designed for progressive rehabilitation expansion to the ROM pad surface water management infrastructure and managed aquifer recharge increase in production capacity, and transport changes to tailings disposal methodology transport and storage of Kalgoorlie REPF by-products for long term storage at Mt Weld. The life of mine is proposed to be an additional 23 years. Assessment Number: 2350Region: Goldfields EsperanceReferred under EP Act: s38Industry sector: Rare earth elementsLast updated: October 10, 2022Current Status: Decision on whether to assess has been published 1. ReferralComment on this referral: Mt Weld Rare Earths Project – Life of Mine ProposalComment period: Monday, 5 September, 2022 to Sunday, 11 September, 2022Referral documentation: Referral form (PDF, 399.97 KB) Proposal Content Document (PDF, 60.91 KB) Supporting Report (PDF, 30.29 MB) Appx B - S46 Revision of MS476 Conditions_v1.pdf (PDF, 574.65 KB) Appx D - Applicable Obligations Register_Mt Weld.pdf (PDF, 141.51 KB) Appx E - MTW-HR-POL-0004_1_WA Community Statement.pdf (PDF, 1.15 MB) Appx F - Mt Weld Heritage Survey 2022_Final.pdf (PDF, 2.23 MB) Appx G - Mt Weld Rare Earths Project 2021 MCP Final1_1.pdf (PDF, 45.03 MB) Appx H - MTW-MT-PLA-0001_RMP_v10.pdf (PDF, 2.6 MB) Appx I - MS-03-7-009_RMP v10 Approval Letter.pdf (PDF, 113.76 KB) Appx J - MWEL_FF_20001_Detailed Flora&Veg_Phase2_v5.pdf (PDF, 31.57 MB) Appx K - MWEL_FF_2020_02_Phase2_Fauna_Report_Final_v4.pdf (PDF, 7.33 MB) Appx L - Lynas Mt Weld Impact Assessment_April 2022_v5.pdf (PDF, 3 MB) Appx M1 - Onshore_Technical Review Mt Weld Flora_v2.pdf (PDF, 197.75 KB) Appx M2 - Onshore_Technical Review Mt Weld Fauna_v1.pdf (PDF, 249.94 KB) Appx N - MWEL-SF-19001_SubTer Fauna Assessment_v0.4.pdf (PDF, 6.76 MB) 1-1 g1942_MP23_F01_00.pdf (PDF, 746.35 KB) 1-2 g1942_MP23_F01_01.pdf (PDF, 9.85 MB) 2-1 g1942_MP23_F01_04.pdf (PDF, 2.07 MB) 2-2 g1942_MP23_F01_15.pdf (PDF, 2.94 MB) 6-1 g1942_MP23_F01_09.pdf (PDF, 842.95 KB) 6-2 g1942_MP23_F01_07.pdf (PDF, 1.86 MB) 6-3 g1942_MP23_F01_11.pdf (PDF, 1.7 MB) 6-4 g1942_MP23_F01_12.pdf (PDF, 1.66 MB) 6-5 g1942_MP23_F01_10.pdf (PDF, 1.08 MB) 7-1 g1942_MP23_F01_13.pdf (PDF, 1.47 MB) 7-2 g1942_MP23_F01_14.pdf (PDF, 1.5 MB) 9-1 g1942_MP23_F01_05.pdf (PDF, 2.64 MB) 9-2 g1942_MP23_F01_08.pdf (PDF, 3.23 MB) 12-1 g1942_MP23_F01_06.pdf (PDF, 1.42 MB) 2. Decision on whether to assess this proposalChair's Determination: Assess - Referral InformationExtract of determination: Mt Weld Rare Earths Project – Life of Mine Proposal (PDF, 163.2 KB)Preliminary Environmental Factors: Social SurroundingsHuman HealthFlora and VegetationTerrestrial Environmental QualityTerrestrial FaunaDate published: Monday, 10 October, 2022