Southern Cross Operations Annual Environmental Report 2008 - 2009

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2009 Annual Environmental ReportSouthern Cross Operations6. RehabilitationThe key focus of rehabilitation during 2008/2009 has been directed towards GVG TSF1-3 and adjacent heap leach and ROM pad areas to obtain synergies with miningactivities in the Burbidge area. Significant rehabilitation works were also conducted atNevoria and Kurrajong.A strategic overview of legacy rehabilitation liabilities was also undertaken through theyear and culminated in the development of the SXO Closure Plan, which wassubmitted to DMP and DEC Environmental Management Branch in October 2008.Rehabilitation activities are summarised in Table 6-1 with more detailed breakdown ofdata provided in tenement data sheets in Appendix 2. The following discussionidentifies rehabilitation activities undertaken during 2008/2009.Table 6-1: Rehabilitation Summary July 2008 – June 2009RehabilitationActivityCompletion ofEarthworksCompletionof SeedingRe-working /Re-ripping ofExistingRehabilitationRe-seeding ofExistingRehabilitationArea Rehabilitated in2008/200951.6 17.0 0 06.1 Great VictoriaA closure plan was completed for GVG during early 2007 and was implemented withthe recommencement of mining in the Burbidge area. GVG hosts a number ofhistorical legacies from previous operators, making effective closure and rehabilitationa challenging and costly exercise (Figure 6-1). Significant re-shaping and sheetingworks were completed in 2008/09 with the rehabilitation program focused on preparingthe landform and associated disturbance for contour ripping and seeding in 2009/10.Rehabilitation works in 2008/09 comprised:• Rehandle and backfilling of marcasite stockpile into the GVG open pit (Figure6-2);• Capping of backfilled marcasite stockpile with oxide material sourced fromPakistani;• Reshaping of heap leach pads and sheeting with lateritic topsoils;• Haulage and spreading of topsoils on the north east batters of GVG TSF1(Figure 6-4);26
2009 Annual Environmental ReportSouthern Cross Operations• Haulage and spreading of topsoils on eastern and southern batter of GVG TSF2and TSF3;• Completion of capping previously uncapped sections of the surface of TSF3;and• Encapsulation of reactive waste materials situated at the northern toe of thewaste dump.Figure 6-1: Overview of Rehabilitation at GVG TSF 1-327
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Southern Cross Operations Annual Environmental Report 2008 - 2009

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