Overview of the South Deep Project September 2011 Our Vision and - - PowerPoint PPT Presentation

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Overview of the South Deep Project September 2011 Our Vision and - - PowerPoint PPT Presentation

Overview of the South Deep Project September 2011 Our Vision and Values To be the global leader in sustainable gold mining 2 Locality Wits Gold Fields Historic production: > 1 600 000 000 oz of gold 4.5bn tons of ore treated at an


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SLIDE 1

Overview of the South Deep Project

September 2011

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SLIDE 2

Our Vision and Values

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To be the global leader in sustainable gold mining

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SLIDE 3

Locality – Wits Gold Fields

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The Witwatersrand Gold Fields

Historic production: > 1 600 000 000 oz of gold 4.5bn tons of ore treated at an average grade of 9.0g/t

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SLIDE 4

Locality – South Deep

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Well established mining area

Tautona Mponeng Blyvooruitsicht Kusasalethu Ezulwini Cooke

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SLIDE 5

Overview

Outline

Massive underground orebody 81.5 Moz Resource 34.5 Moz Reserve Fully mechanised mine Build-up to 750koz run-rate by end of 2014 Life of Mine of 54 years

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Capital Programme

Building a world class mine

2010 2011 2012 2013 2014 Status

Refrigeration Plant

Complete

Twin Vent Shaft

On-track

Tailings Storage Facility

Commissioned

Plant Expansion

On-track

New Mine Development

On-track

0.0 0.5 1.0 1.5 2.0 2.5 200 400 600 800

2009 A 2010 A 2011 E 2012 E 2013 E 2014 E Rbn

(oz)

Production (lhs) Capex (rhs)

Production and Capex

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SLIDE 6

History

1950: Prospecting in the area commenced 1961: Production at Western Areas Gold Mine (WAGM) commenced 1999: Placer Dome Western Areas (PDWA) Joint Venture (JV) formed 2000: Name changed to South Deep Gold Mine 2005: Twin Shaft Complex opened 2006: Gold Fields acquired Barrick’s 50% JV interest in the PDWA JV 2007: Gold Fields acquired all remaining WAL shares to own 100% of South Deep Gold

Mine WAL listing terminated

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SLIDE 7

0.93 0.07 0.12 0.06 0.4 0.8 1.2 F2008 F2009 F2010 F2011 C2011

Safety

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Safety Trends

LDIFR

21.29 5.78 2.8 2.4 1.82 5 10 15 20 25 F2008 F2009 F2010 F2011 C2011

SIFR

6.66 2.11 1.1 0.84 1.09 2 4 6 8 F2008 F2009 F2010 F2011 C2011

FIIFR

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Our People

  • Employ approximately 3,700 people on operation
  • Diverse workforce
  • Well trained and qualified personnel
  • World class medical facilities
  • Wellness programme

“24 hours in the life of a miner”

  • Organised labour

72% NUM, 15% UASA and 14% non affiliated

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SLIDE 9

Sustainable Development

Management of environmental aspects in

line with latest legislative requirements

Environmental Management Systems

according to best practice international standards (ISO14001 certified)

Water Management part of regional strategy International Cyanide Management Institute

(ICMI) compliant

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Environmental Management

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Geology

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General overview

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Geology

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Vertical slice through the orebody

The primary reef targets are the MB’s and the EC’s

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Geology

Surface exploration programme of R173 million

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Exploration Programme

Surface

Pretoria Group Black Reef Chuniespoo rt Group

Base at ± 1800mbc

VCR

Klipriviersber g Group

Base at ± 3000mbc

Upper Elsburg s

D7 D 8 Orig. D1 D2 D3 D4 D 5 D 6

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SLIDE 13

Resources

Tonnes (Mt) Grade (g/t) Gold (‘000 oz) Classification Dec 10 Jun 10 Jun 09 Dec 10 Jun 10 Jun 09 Dec 10 Jun 10 Jun 09 Underground Measured 41.5 40.5 41.6 7.7 7.4 7.4 10,331 9,684 9,890 Indicated (AI) 250.5 125.7 125.9 6.6 8.7 8.7 53,523 35,016 35,038 Total Above Infrastructure 292.0 166.2 167.5 6.8 8.4 8.3 63,854 44,700 44,928 Indicated (BI) 42.3 92.6 92.6 7.0 6.3 6.3 9,568 18,898 18,898 Total Below Infrastructure 42.3 92.6 92.6 7.0 6.3 6.3 9,568 18,898 18,898 Grand Total 334.3 258.8 260.1 6.8 7.6 7.6 73,422 63,598 63,826 13

Measured & Indicated Resources

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Resources

Tonnes (Mt) Grade (g/t) Gold (‘000 oz) Classification Dec 10 Jun 10 Jun 09 Dec 10 Jun 10 Jun 09 Dec 10 Jun 10 Jun 09 Underground Inferred AI 17.2 78.0 78.0 6.3 5.8 5.8 3,460 14,566 14,566 Inferred(BI) 21.8

  • 6.5
  • 4,572
  • Grand Total

39.0 78.0 78.0 6.4 5.8 5.8 8,032 14,566 14,566 14 Tonnes (Mt) Grade (g/t) Gold (‘000 oz) Grand Total 373.3 336.8 338.1 6.8 7.2 7.2 81,454 78,164 78,392

Inferred Resources Total Measured, Indicated & Inferred Resources

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Resources

40 80 120 160 200 240 280

Approximately one third of those of Gold Fields, AngloGold Ashanti and Barrick Resources (Moz)

______________________ Source: Goldval.com as at September 2010

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Mining Philosophy

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Mining a massive orebody at depth

Large backfilled stope

Mechanisation

Mechanisation De-stress mining Backfilling

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Mine Design and Scheduling

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Reserving a great orebody

Trackless Drifts & Benches Conventional Drifts & Drives Longhole Stoping Down Dip Accessed Destressing Conventional Destress Stoping Apparent Dip Drifts & Drives with Benching Conventional Composite Mining Conventional Breast Mining

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Bench access

Mining direction

Drift access Bench mining

Mining direction

Primary drift mining

1 3 2

Mining Methods – Drift and Bench Mining

Bench access

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Main-access-drive

2.2m

Recently filled stoping drive

Stoping-drive

1

Stoping-drive mining

3 Stoping-drive completion 2

Advance stope-access-drive

Mining Methods – Destress Mining

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1 2

  • Longhole stope access

Slot development

Slot raise

3 4 5

Slot development Stoping Stoping

Completed slot Slot access

  • Mining Methods – Longhole stoping
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Development towards the Wrench fault (105 & 105 levels) Build-up in Phase-1 NoW 105 Development of intake and conveyer infrastructure

Current to October 2015

Mine Design and Scheduling

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Current to Jan 2019

Destress mining accessed from 105 Level South of the Wrench fault Continuation of the Phase-1 NoW at ~220Kt/m 105 SoW commence Jan 2013 110 Level Decline to SoW commence in October 2012

Mine Design and Scheduling

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Infrastructure development on 95 and 93 levels to access the Eastern portion of Phase-1 SoW (Block-A) Start date Jan 2023

Current to Jan 2035

Stoping on the four corridors South of Wrench (West Block-B) 110 Level mining reaching SoW in 2020

Mine Design and Scheduling

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Stoping in the Eastern portion of Phase-1 SoW (Block-A) Stoping in Phase-2 VCR mining

Current to Jan 2050

Mine Design and Scheduling

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SLIDE 25

Completion of Phase-2

Current to Dec 2067

Completion of Phase-1 SoW (Block – A)

Mine Design and Scheduling

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Final Extraction (April 2064)

VCR Pillar extraction Retreat mining in original access areas

Mine Design and Scheduling

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Reserves

Tonnes (Mt) Grade (g/t) Gold (‘000 oz) Classification Dec 2010 June 2010 June 2009 Dec 2010 June 2010 June 2009 Dec 2010 June 2010 June 2009 CM – Proved 14.9 14.1 15.2 6.5 5.9 5.9 3,113 2,700 2,906 CM – Probable 1.8 3.7 3.7 5.5 4.2 4.2 308 505 505 NOW - Probable 56.2 42.5 42.6 6.6 6.6 6.6 11,968 8,991 9,014 SOW – Probable 83.3 17.5 17.5 5.0 6.6 6.6 13,378 3,703 3,703 OM – Probable 3.8 3.8 8.7 8.7 1,044 1,044 Total AI 156.1 81.6 82.8 5.7 6.5 6.5 28,766 16,943 17,171 Probable (BI) – Phase 2 36.5 66.6 66.6 4.9 5.8 5.8 5,767 12,315 12,315 Total 192.6 148.2 149.4 5.6 6.1 6.1 34,533 29,258 29,486 27

Mineral Reserves at a gold price of R265,000/kg

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40 80 120 160

Reserves

Approximately one third of those of Gold Fields, AngloGold Ashanti Reserves (Moz)

______________________ Source: Goldval.com as at September 2010

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Existing Mine Infrastructure

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Station Station

33 Lvl 48 Lvl 49 Lvl 50 Lvl 53 Lvl 56 Lvl 58 Lvl 60 Lvl 63 Lvl 65 Lvl 68 Lvl 70 Lvl 70a Lvl 71 Lvl 72 Lvl 75 Lvl 78 Lvl 80 Lvl 83 Lvl 85 Lvl 87 Lvl 90 Lvl 90 Lvl 93 Lvl 93 Lvl 94 Lvl 95 Lvl 95 Lvl 100 Lvl 100 Lvl 105 Lvl 105 Lvl 110 Lvl 110 Lvl 110a Lvl

Colour Coding: Red Up Cast. Green Down Cast Gold Rock Handling Capacity Rock Capacity 120ktpm Rock Capacity 175ktpm Rock Capacity 195ktpm 94 Level Refrigeration SV 1 50 Level Plugs Shaft damaged South Shaft SV 3 80 Level Pumps & Refrigeration Plants 83 Level Backfill Plant 95a Level Pump Station Intermediate Pump Stations Twins Ventilation Shaft Twins Main Shaft 51 Level Pump Station 84 Level Pump Station Metallurgical Plant SV 2 Deepened Section 110a Pump Challenge is the limited Storage from 95 Level to 95a Level

1.4km

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30 Headgear A-Frame early lift strategy Completed in May 2011 Rock winder installation progressing to plan – all major components manufactured and delivered to the mine

Planned Mine Infrastructure – Vent Shaft Deepening

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105 level 100 level 110 level 95 level

Main Shaft Ventilation Shaft

Reef silo’s 105 to 110 level 110A level 100A level Reef silo’s 110 to 110A level Settlers & dams 105 to 110 level

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Reef silo’s 100 to 105 level

Main Shaft Ventilation Shaft

Planned Mine Infrastructure – Mine Development

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32 Full Plant Tailings – Backfill plant under construction at South Shaft

Planned Mine Infrastructure – Backfill Infrastructure

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33 Completed Silt Trap and Neutralisation Plant TSF – tailings deposition to cover the toe drains is in progress Penstock - returning water to fill the return water dam No.1 No.2

Planned Mine Infrastructure – Tailings Storage Facility

Return Water Dam – lining complete and both return dams being filled

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330ktpm milling capacity 450ktpm downstream processing capacity

34 Leach extension earthworks

Planned Mine Infrastructure – Plant Expansion

Leach extension earthworks Thickener earthworks Leach Extension Civils Thickener Civils and Earthworks Ball Mill 2 Civils and Earthworks Thickener Civils and Earthworks

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35 Eskom new 132KV overhead supply line 40MVA transformer No.5 Substation extension

Planned Mine Infrastructure – Electrical Infrastructure

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Enjoy your visit to South Deep