A guide to leading practice sustainable development in mining

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Figure 5.23: Aerial view of Area 4 where different crops are re-vegetated as a part of BNC’s rehabilitation program. November 2007 Figure 5.24: Demonstration Billboard and Platform which shows the research design, species mix and techniques used during the research. Understanding the site, including its drainage characteristics, is also required when designing and siting components of the mine operation. By transferring this information to mining software, the mine planners have detailed computer modelling of the original site and its drainage patterns to make decisions about restoration or alteration in its final design. Like all computer-related technology, developments occur and become outdated quickly. Therefore, the principles involved in digitising and analysing the data are more important than the specific software packages used. End uses for the final void resulting from mining operations also require consideration and planning. Backfilling may be uneconomic in some operations but, in others, planning might avert creating any void. Safety is also crucial and creative design in conjunction with substantial obstacles and warnings are needed. Poorly rehabilitated mines provide a difficult legacy issue for governments, communities and companies, and ultimately tarnish the reputation of the mining industry as a whole. Increasingly, as access to resources becomes tied to industry’s reputation, effective closure processes and satisfactory mine rehabilitation become critical to a company’s ability to develop new projects. Poor planning invariably increases the costs of rehabilitation and mine closure and decrease overall profitability. Taking a more integrated approach to mine rehabilitation, and doing it progressively, can achieve effective mine rehabilitation. A GUIDE TO LEADING PRACTICE SUSTAINABLE DEVELOPMENT IN MINING 161
An example of leading practice in mine rehabilitation particularly regarding flora and fauna management is the Mt Owen coal mine, an open-pit coal mine located in the Hunter Valley of New South Wales. Mt Owen is owned by Xstrata Mt Owen (XMO), a 100% owned subsidiary of Xstrata Coal. The mine is operated by Thiess Pty Limited under a partnering agreement with XMO and is approved to produce up to 10 million tonnes of run-of-mine coal per annum for the export market until December 2025. The key components of the Mt Owen flora and fauna management program include: establishment and management of biodiversity conservation areas to offset mining impacts. progressive rehabilitation of disturbed areas to native woodland. implementation of specialised flora and fauna management techniques. comprehensive flora and fauna monitoring program. on-going program of native forest restoration research in conjunction with the University of Newcastle’s Centre for Sustainable Ecosystem Restoration. Mt Owen’s flora and fauna management program provides protection for establishing woodland communities in rehabilitation areas and in adjoining mine-owned buffer land. Conservation areas adjoining mine rehabilitation areas are also being expanded and enhanced through proactive intervention and the restoration of scattered woodland remnants and pasture areas to provide similar vegetation communities and opportunities for movement of flora and fauna into rehabilitation areas. The short-term aim is to conserve existing flora and fauna in conservation areas through effective management, while establishing new areas that will provide a selfsustaining system in the long term. The long-term aim is to provide a self-sustaining flora and fauna conservation reserve with sufficient size to provide the necessary diversity, while providing corridor linkages to the larger vision for integrated landscapes in the Hunter Valley (see LP Rehabilitation p.25). Figure 5.25 – Flora and fauna monitoring, Mt Owen 162 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
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Site water team Corporate managemen
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Sustainable Mining There is no one
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Mining the resource efficiently. Th
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Efficiency SUSTAINABLE MINING PRACT
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LOCATION: Vilabouly District, Savan
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Leading Practice The handbooks in t
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2.0 PRE-DEVELOPMENT: MINERAL EXPLOR
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The application of high standard en
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The Business Case for Sustainabilit
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The information obtained from these
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conditions are appropriate. In NSW,
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Such richness also brings challenge
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The dunefields of Shelburne Bay had
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Community Engagement in the Early S
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Baseline studies and social impact
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Upon completion of the study, resea
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The scenarios envisaged for the Wat
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2. Reflections on the significance
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Engaging with Indigenous communitie
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Figure 2.9 - A New Township under C
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Geochemical assessment aims to iden
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Regardless of the project phase (ex
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Evaluating Performance: Monitoring
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For these reasons, it is important
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Risk Management and Exploration Exp
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Post-mining & closure Resource deve
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level of family diversity was maint
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Introduction The development and co
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MINE: Mt Todd LOCATION: Near Kather
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Airborne Contaminants, Noise and Vi
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Biodiversity Management During Deve
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Rather than taking a generic approa
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Step 2: Working in collaboration On
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course was designed to train and pr
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Adjustments for changes in the mine
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indicators of high importance durin
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Operating major mining projects pre
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the earliest stage of development,
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Watercourse diversions In order to
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Figure 3.7 - Morwell River after di
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tailings disposal techniques contin
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Figure 4.2 - Predicted blast overpr
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Responsible management of biodivers
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Leading practice management of wate
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MINE: Pierina Mine LOCATION: Distri
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Weipa - a sustainable approach to t
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Adopting the International Cyanide
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Box 1: Major recent incidents invol
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MINE: Chatree gold mine LOCATION: P
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The audit outcomes also highlight t
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Mercury for gold recovery in small/
Page 121 and 122: Figure 4.9 - Geological control to
Page 123 and 124: highest rating group for the whole
Page 125 and 126: Figure 4.13 - Beverley uranium mine
Page 127 and 128: from 2.5 - 3.0 tonnes/man-shift to
Page 129 and 130: Figure 4.17 - Sunrise Dam TSF Taili
Page 131 and 132: Dry stacking bauxite residue is now
Page 133 and 134: Once the water is used underground
Page 135 and 136: The Rio Tinto “Excellence in Wate
Page 137 and 138: Background Image: Sourced from GOOG
Page 139 and 140: Company policies and government reg
Page 142 and 143: 5.0 MINE REHABILITATION AND CLOSURE
Page 144 and 145: Closure involves the implementation
Page 146 and 147: Biodiversity and Closure Introducti
Page 148 and 149: e better than the high standard bei
Page 150 and 151: Figure 5.7 - Pasture and shelter tr
Page 152 and 153: The Argyle Diamonds case study (see
Page 154 and 155: support and on site accommodation a
Page 156 and 157: Having the right information to mak
Page 158 and 159: Figure 5.13 - Misima after rehabili
Page 160 and 161: In January 2011, the PNG government
Page 162 and 163: MINE: Former lignite mines LOCATION
Page 164 and 165: Fig 5.16: Former Minister Stein Coa
Page 166 and 167: Figure 5.19 - Rehabilitated mine si
Page 168 and 169: Figure 5.21 - Pit water treatment p
Page 170 and 171: Final Rehabilitation Rehabilitation
Page 174 and 175: Landform construction In general, e
Page 176 and 177: The Hsin-Chen Shan quarry terrain i
Page 178 and 179: Figure 5.29 - Spreading topsoil at
Page 180 and 181: Risk Management Risk at closure and
Page 182 and 183: During the 1980s and 1990s, a numbe
Page 184 and 185: An example of direct vegetation is
Page 186: Water Management Central to a mine
Page 189 and 190: Department of Resources, Energy and
Page 192 and 193: GLOSSARY AND ACRONYMS Abandoned min
Page 194 and 195: Biodiversity offsets Conservation a
Page 196 and 197: Cultural heritage Cultural heritage
Page 198 and 199: Engagement At its simplest, engagem
Page 200 and 201: High rate thickener A thickener thr
Page 202 and 203: NAPP Net Acid Producing Potential,
Page 204 and 205: Product stewardship This is perhaps
Page 206 and 207: Risk management process The risk ma
Page 208 and 209: Sustainable development Sustainable
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A guide to leading practice sustainable development in mining

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