Terramin Australia Limited · ASX:TZN

Terramin Australia — Corporate Update (February 2014)

19 slides from Terramin Australia's corporate update, February 2014

  1. Slide 1: Angas Mine – SCCC Presentation

    Angas Mine – SCCC Presentation  Welcome to all  Current Status – Care and Maintenance as of 31st October – Maintaining all onsite infrastructure and equipment – Monitoring ground conditions and water underground – Ongoing environmental monitoring and management  PEPR submitted to DMITRE with comm

  2. Slide 2: What's happening at Angas Zinc?

    What's happening at Angas Zinc?  Environment, Community and Water Management staff remain on-site  5 employees on site and 2 university students gaining environmental experience  Clean-up work – recycling  Water and environmental management /monitoring continuing  Water, Dust and Environmental

  3. Slide 3: Mining and Underground Management (Quarter 4, 2013)

    Mining and Underground Management (Quarter 4, 2013)  24,540m3 waste rock placed underground in October  A total 18,445m3 of water placed underground during the quarter – storm water runoff and bore water injection  Water reached the 190m RL in the decline - late January  Quarterly ground control

  4. Slide 4: Quarterly Environment Report

    Angas Zinc Mine Quarterly Environment Report Quarter 4: Oct - Dec 2013 M. Daniel TERRAMIN AUSTRALIA LIMITED

  5. Slide 5: Environmental Activities

    Environmental Activities  Fencing works complete to exclude hares from SEB areas  Weed survey and control  Supplementary watering of native seedlings  Dust management  Waste management – recycling campaign  Monitoring water levels in mine decline TERRAMIN AUSTRALIA LIMITED

  6. Slide 6: Underground Mine Void

    Underground Mine Void  93% of voids filled with stockpiled waste rock from previous mining activities  February 4th water samples from the void were taken at the 190m RL where water had risen to; from natural upwelling and pumping into void  30,151m3 of water has been sent to underground (between

  7. Slide 7: Community Activities

    Community Activities  Student placements for environmental work experience  Curtin University, WA  University of Adelaide TERRAMIN AUSTRALIA LIMITED

  8. Slide 8: Community Feedback & Environmental Incidents

    Community Feedback & Environmental Incidents  No environmental incidents were recorded during quarter 4  No registered community complaints during quarter 4 Direct seeded plants survived the hot weather TERRAMIN AUSTRALIA LIMITED

  9. Slide 9: Noise November Monitoring - West results (Boxcut side)

    dB 30 35 40 45 50 55 60 65 70 75 80 11/7/2013 17:16 11/7/2013 22:16 11/8/2013 3:16 11/8/2013 8:16 11/8/2013 13:16 11/8/2013 18:16 11/8/2013 23:16 11/9/2013 4:16 Onsite Noise Limit 11/9/2013 9:16 11/9/2013 14:16 TERRAMIN AUSTRALIA LIMITED 11/9/2013 19:16 11/10/2013 0:16 11/10/2013 5:16 LAeq 11/10/201

  10. Slide 10: Noise November Monitoring - East results (Mill side)

    dB 30 35 40 45 50 55 60 70 75 65 11/7/2013 16:56 11/7/2013 21:56 11/8/2013 2:56 11/8/2013 7:56 11/8/2013 12:56 11/8/2013 17:56 Onsite Noise Limit 11/8/2013 22:56 11/9/2013 3:56 11/9/2013 8:56 11/9/2013 13:56 LAeq 11/9/2013 18:56 TERRAMIN AUSTRALIA LIMITED 11/9/2013 23:56 11/10/2013 4:56 11/10/2013 9

  11. Slide 11: TSF Decant Pond - Surface Area

    TSF Decant Pond - Surface Area  The TSF Decant pond remains in compliance (<15,000m2)  Surface area 1,573m2 at RL 66.24 at the end of January 7thTERRAMIN March 2013 TSF Western AUSTRALIA LIMITED Wall 19th February 2014 TSF Western Wall

  12. Slide 12: Rainfall (mm) TSF Decant Pond RL

    Rainfall (mm) 10.0 20.0 30.0 40.0 50.0 60.0 3/02/2010 3/03/2010 3/04/2010 3/05/2010 3/06/2010 3/07/2010 3/08/2010 2010 3/09/2010 3/10/2010 3/11/2010 3/12/2010 3/01/2011 3/02/2011 rain (mm) 3/03/2011 3/04/2011 TERRAMIN AUSTRALIA LIMITED RL – 66.24m on 6th February 3/05/2011 3/06/2011 3/07/2011 2011 3

  13. Slide 13: TSF Water Quality

    TSF Water Quality  pH change with recent rainfall  6.36pH before rainfall – 13/02/14  4.59pH after rainfall – 14/02/14  Cause for pH change: – Runoff from oxidised tails Surface  Tails surface pH – today – Ranged from 6.2 – 8.1pH TERRAMIN AUSTRALIA LIMITED

  14. Slide 14: Upcoming Activities for Q1 2014

    Upcoming Activities for Q1 2014  TSF audit, MARCR completion Scrap metal collection –  PEPR updating Cape Divine  Recycling of scrap steel and plastic  Ongoing TSF monitoring and water management  Ongoing weed and pest management Native ‘mud matting’  General site dust, water and erosion veget

  15. Slide 15: TSF Capping Options

    TSF Capping Options  Mine Closure Conference in Brisbane, presentations and follow up discussions with leading experts – including M. O’Kane, highlights many potentially superior alternatives to HDPE covers  Engineered, designed soil cover is often considered superior, particularly in the long ter

  16. Slide 16: Phytocap

    Phytocap  Test work completed:  Fate and Transport Modelling  HELP Modelling  Vadose Modelling  Atterberg Limit testing  Geotechnical testing  Emerson dispersion  Compaction testing  Permeability testing Source: adapted from http://www.phytolink.com.au/technology.htm, viewed 18/02/2014 TERR

  17. Slide 17: Current position/actions

    Current position/actions Currently: • Revising Mine Care and Closure Plan with TERRAMIN AUSTRALIA LIMITED comments and recommendations from DMITRE • Continuing work on Closure Plan

  18. Slide 18: Final Closure plan / Final PEPR

    Final Closure plan Final PEPR TERRAMIN AUSTRALIA LIMITED

  19. Slide 19: Thank you

    Thank you TERRAMIN AUSTRALIA LIMITED

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