ProjectProponent: Tronox Management Pty LtdProposal description: Tronox Management Pty Ltd are proposing to expand the existing Cooljarloo Mineral Sands Project by mining a satellite pit named Osprey. The project is located approximately 20 kilometres northwest of Cataby. The Osprey Expansion has a disturbance footprint of 61 hectares (ha) of which 59.14 ha is native vegetation. Dredge mining will be used to avoid pit dewatering. Water for mining and concentrating will be sourced from existing licenced bores. The final mine void will be backfilled above the groundwater table and rehabilitated. Assessment Number: 2502Region: WheatbeltReferred under EP Act: s38Industry sector: Mineral sandsLast updated: June 23, 2025Current Status: Decision on whether to assess has been published 1. ReferralComment on this referral: Cooljarloo Mineral Sands Project – Osprey ExpansionComment period: Monday, 12 May, 2025 to Sunday, 18 May, 2025Referral documentation: Referral form Proposal Content document Supporting Document Appendix_A_EnvironmentalManagementProgramme_Tronox_2013.pdf Appendix_B1_CLWPhytophthoracinnamomioccurrenceassessment_Glevan_2012.pdf Appendix_B2_WetlandsWatercoursesandGDE_Syrinx_2013.pdf Appendix_B3_CLWFloraandVegetationAssessment_Woodman_2014.pdf Appendix_B4_ConservationSignificantFloraRiskAssessment_WoodmanEnvironmental_2015.pdf Appendix_B5_OspreyBaselineFloraandVegetation_Umwelt_2024.pdf Appendix_B6_OspreyTargetedFloraandVegetation_Umwelt_2024.pdf Appendix_B7_CLWSubterraneanFaunaDesktopStudy_Bennelongia_2013.pdf Appendix_B8_CLWShortRangeEndemicFauna_Bennelongia_2013.pdf Appendix_B9_CLWPilot-ScaleStygofaunaSurvey_Bennelongia_2013.pdf Appendix_B11_Level1FaunaandTargetedBlackCockatooAssessmentoftheLoneSouthandOspreySurveyAreas_Bamford_2025.pdf Appendix_B12_AboriginalHeritageSurveyforProposedCooljarlooMineExpansion_DortchCuthbert_2024.pdf BEC_Cooljaloo West subfauna desktop_16iv25_FINAL.pdf 2. Decision on whether to assess this proposalChair's Determination: Assess - Additional Assessment Information (public review)Extract of determination: Cooljarloo Mineral Sands Project – Osprey Expansion (Section 40AA significant amendment...Preliminary Environmental Factors: Flora and VegetationTerrestrial FaunaInland WatersDate published: Monday, 23 June, 2025