A guide to leading practice sustainable development in mining

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Post-mining & closure Resource development & design Monitor baseline & ongoing condition Mining, minerals processing & refining Figure 2.14 - The main operational phases in a mining operation life cycle and the main water issues in each phase. Interactions with surrounding community Figure 2.17 -‐ The main operational phases in a mining operation life cycle and the main water and environment must be actively managed at all life cycle stages. issues in each phase. Interactions with surrounding community and environment must be actively managed at all life cycle stages. Figure 2.18. Activities at various stages of a mine’s life cycle. Figure 2.15. Activities at various stages of a mine’s life cycle. Table 2. Typical water quality issues for the mining industry Exploration Resource development & design Shipping of products A GUIDE TO LEADING PRACTICE SUSTAINABLE DEVELOPMENT IN MINING 57
Table 2. Typical water quality issues for the mining industry Mine-life stage Water quality related activity Exploration Erosion from temporary roads Runoff of drilling fluids, petroleum products from drill pad construction and operation, camp wastes. Resource development and design Mining, minerals processing and refining Developing water management plan. Preparing EIS. Discharge management. Possible acid-rock drainage. Tailings management. Solid waste management. Action Initial baseline monitoring program developed (weather station, several water quality/ biology sites, water flows). Baseline inventory and monitoring at key sites, including those in reference catchment(s), implemented for water quality and ecological features. On-site monitoring (discharges, storage and holding dams, groundwater) Off-site monitoring of receiving system and reference sites (quality, flows, biology). Water management plan implemented. Rehabilitation Management of onsite water. On-going assessment of impacts. Closure and post-mining Considering all possible future impacts (e.g. acid rock drainage). Continued off-site and onsite monitoring. Shipping of products Possible spillage, dust control Monitoring of receiving system and reference sites (quality, flows, biology). The Cadia case study illustrates the importance of collecting data during the EIA and feasibility stages of a mining project. The Cadia Hill gold mine was approved on 6 September 1996 with several conditions. These conditions related to the release of water from Cadiangullong Dam and the maintenance of flows in Cadiangullong Creek to provide environmental flows and as well meet the requirements of downstream users. Limited baseline data on the aquatic ecology and hydrology of Cadiangullong Creek was available at the commencement of the project and additional data was collected as part of the environmental impact studies. At the time of the construction of the Cadiangullong Dam, empirically based processes for determining the riparian and environmental flows needed to maintain riverine ecosystem integrity were in their infancy in Australia. Virtually no research had been undertaken on these issues in small upland streams. Additional research was required to be undertaken to assess and model the effects of changing flow regimes (drought, low, medium and flood) on in stream and riparian environments and their associated organisms. The Environmental Studies Unit at Charles Sturt University was contracted by Cadia to design and carry out appropriate research to satisfy the requirements of this condition. The researchers concluded that there was no evidence of a decline in stream diversity and that under the range of flows available during the study period, a very high 58 LEADING PRACTICE SUSTAINABLE DEVELOPMENT PROGRAM FOR THE MINING INDUSTRY
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LEADING PRACTICE SUSTAINABLE DEVELO
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Disclaimer This publication has bee
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3.0 DEVELOPMENT AND CONSTRUCTION 61
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ACKNOWLEDGEMENTS The Leading Practi
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viii LEADING PRACTICE SUSTAINABLE D
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1.0 INTRODUCTION The Purpose and La
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Airborne Contaminants, Noise and Vi
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Water Management (LP Water) This ha
Page 18 and 19: Site water team Corporate managemen
Page 20 and 21: Sustainable Mining There is no one
Page 22 and 23: Mining the resource efficiently. Th
Page 24 and 25: Efficiency SUSTAINABLE MINING PRACT
Page 26 and 27: LOCATION: Vilabouly District, Savan
Page 28 and 29: Leading Practice The handbooks in t
Page 30 and 31: 2.0 PRE-DEVELOPMENT: MINERAL EXPLOR
Page 32 and 33: The application of high standard en
Page 34 and 35: The Business Case for Sustainabilit
Page 36 and 37: The information obtained from these
Page 38 and 39: conditions are appropriate. In NSW,
Page 40 and 41: Such richness also brings challenge
Page 42 and 43: The dunefields of Shelburne Bay had
Page 44 and 45: Community Engagement in the Early S
Page 46 and 47: Baseline studies and social impact
Page 48 and 49: Upon completion of the study, resea
Page 50 and 51: The scenarios envisaged for the Wat
Page 52 and 53: 2. Reflections on the significance
Page 54 and 55: Engaging with Indigenous communitie
Page 56 and 57: Figure 2.9 - A New Township under C
Page 58 and 59: Geochemical assessment aims to iden
Page 60 and 61: Regardless of the project phase (ex
Page 62 and 63: Evaluating Performance: Monitoring
Page 64 and 65: For these reasons, it is important
Page 66 and 67: Risk Management and Exploration Exp
Page 70: level of family diversity was maint
Page 73 and 74: Introduction The development and co
Page 75 and 76: MINE: Mt Todd LOCATION: Near Kather
Page 77 and 78: Airborne Contaminants, Noise and Vi
Page 79 and 80: Biodiversity Management During Deve
Page 81 and 82: Rather than taking a generic approa
Page 83 and 84: Step 2: Working in collaboration On
Page 85 and 86: course was designed to train and pr
Page 87 and 88: Adjustments for changes in the mine
Page 89 and 90: indicators of high importance durin
Page 91 and 92: Operating major mining projects pre
Page 93 and 94: the earliest stage of development,
Page 95 and 96: Watercourse diversions In order to
Page 97 and 98: Figure 3.7 - Morwell River after di
Page 99 and 100: tailings disposal techniques contin
Page 101 and 102: Figure 4.2 - Predicted blast overpr
Page 103 and 104: Responsible management of biodivers
Page 105 and 106: Leading practice management of wate
Page 107 and 108: MINE: Pierina Mine LOCATION: Distri
Page 109 and 110: Weipa - a sustainable approach to t
Page 111 and 112: Adopting the International Cyanide
Page 113 and 114: Box 1: Major recent incidents invol
Page 115 and 116: MINE: Chatree gold mine LOCATION: P
Page 117 and 118: The audit outcomes also highlight t
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Mercury for gold recovery in small/
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Figure 4.9 - Geological control to
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highest rating group for the whole
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Figure 4.13 - Beverley uranium mine
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from 2.5 - 3.0 tonnes/man-shift to
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Figure 4.17 - Sunrise Dam TSF Taili
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Dry stacking bauxite residue is now
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Once the water is used underground
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The Rio Tinto “Excellence in Wate
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Background Image: Sourced from GOOG
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Company policies and government reg
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5.0 MINE REHABILITATION AND CLOSURE
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Closure involves the implementation
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Biodiversity and Closure Introducti
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e better than the high standard bei
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Figure 5.7 - Pasture and shelter tr
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The Argyle Diamonds case study (see
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support and on site accommodation a
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Having the right information to mak
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Figure 5.13 - Misima after rehabili
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In January 2011, the PNG government
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MINE: Former lignite mines LOCATION
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Fig 5.16: Former Minister Stein Coa
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Figure 5.19 - Rehabilitated mine si
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Figure 5.21 - Pit water treatment p
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Final Rehabilitation Rehabilitation
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Figure 5.23: Aerial view of Area 4
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Landform construction In general, e
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The Hsin-Chen Shan quarry terrain i
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Figure 5.29 - Spreading topsoil at
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Risk Management Risk at closure and
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During the 1980s and 1990s, a numbe
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An example of direct vegetation is
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Water Management Central to a mine
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Department of Resources, Energy and
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GLOSSARY AND ACRONYMS Abandoned min
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Biodiversity offsets Conservation a
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Cultural heritage Cultural heritage
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Engagement At its simplest, engagem
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High rate thickener A thickener thr
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NAPP Net Acid Producing Potential,
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Product stewardship This is perhaps
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Risk management process The risk ma
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Sustainable development Sustainable
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A guide to leading practice sustainable development in mining

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