Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

46
Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey (according to international standards) (according to international standards) Authors: Authors: Dirk Wagner Senior Project Manager IMC-Montan Consulting GmbH Muhanned Arar GM Exploration and Development Yildizlar SSS Holding Muhanned Arar GM Exploration and Development Yildizlar SSS Holding Ulrich Ruppel Mining Director (CP Mining AusIMM) IMC-Montan Consulting GmbH 2013 | Slide 1 www.imcgcl.com I www.dmt.de

Transcript of Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Page 1: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey (according to international standards)(according to international standards)Authors:Authors:

• Dirk Wagner Senior Project Manager IMC-Montan Consulting GmbH Muhanned Arar GM Exploration and Development Yildizlar SSS Holding• Muhanned Arar GM Exploration and Development Yildizlar SSS Holding

• Ulrich Ruppel Mining Director (CP Mining AusIMM) IMC-Montan Consulting GmbH

20 October 2007 | Page 1 www.dmt.de2013 | Slide 1 www.imcgcl.com I www.dmt.de

Page 2: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 2 www.dmt.de2013 | Slide 2 www.imcgcl.com I www.dmt.de

Page 3: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 3 www.dmt.de2013 | Slide 3 www.imcgcl.com I www.dmt.de

Page 4: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Introduction

• Eti Gümüs – largest silver producer in Turkey

• Preparation for IPO (Istanbul)• Preparation for IPO (Istanbul)

• International Mining Consultancy was required for preparation g y q p p

of a report following Canadian NI 43-101 / JORC Code

• Yildizholding selected IMC-Montan Consulting, a subsidiary of

DMT GmbH & Co. KG, member of TÜV-Nord Groupp

• Scope of Work: - Operational and Life of Mine Plan (LOM)

20 October 2007 | Page 4 www.dmt.de2013 | Slide 4 www.imcgcl.com I www.dmt.de

- NI 43-101 / JORC Code report

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IntroductionYILDIZLAR SSS YILDIZLAR SSS HOLDING HOLDING A.S.A.S.

MINING GRUOPMINING GRUOPCERAMIC/GRANITE CERAMIC/GRANITE 

GROUPGROUPENERGY ENERGY &PETROL&PETROL OTHER OTHER  SERVICESERVICE

ETI GUMUS A.SETI GUMUS A.S..SOGUTSEN SERAMIK SOGUTSEN SERAMIK 

A SA S3S ENERJI A.S. 3S ENERJI A.S. 

YSSS ENTEGRE YSSS ENTEGRE ORG TAR A SORG TAR A SA.S. A.S.  ORG.TAR.A.S.ORG.TAR.A.S.

YILDIZ BAKIR A.S.YILDIZ BAKIR A.S. GRANITO GIRARTO A.S.GRANITO GIRARTO A.S. GUMUS PETROL A.S. GUMUS PETROL A.S.  3S NAKLIYAT A.S. 3S NAKLIYAT A.S. 

NESKO MADEN A.S. NESKO MADEN A.S.  3S MADENCILIK A.S. 3S MADENCILIK A.S.  DEDELI DOGALGAZ A.S. DEDELI DOGALGAZ A.S.  3S SIGORTA A.S. 3S SIGORTA A.S. 

RASİH İHSAN LTD.STI.RASİH İHSAN LTD.STI. DEDELI ELEKTRIK DEDELI ELEKTRIK ENERJI A.S.ENERJI A.S.

YILDIZLAR SSS PLAZA YILDIZLAR SSS PLAZA TURIZM A.S.TURIZM A.S.

ZAMANTI MADEN ZAMANTI MADEN LTD.STI.LTD.STI. OSMANGAZI ELEKTRIK OSMANGAZI ELEKTRIK 

YILDIZLARYILDIZLAR LAB ANALIZLAB ANALIZDAGITIM A.S.DAGITIM A.S.

YILDIZLAR YILDIZLAR LAB.ANALIZ LAB.ANALIZ HIZ.A.S.HIZ.A.S.

YAVUZ MUH. A.S. YAVUZ MUH. A.S. SENA YATIRIM INS.A.S.SENA YATIRIM INS.A.S.

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DEDELİ YATIRIM A.S. DEDELİ YATIRIM A.S.  SILVER KORUMA SILVER KORUMA GUVENLIK A.S. GUVENLIK A.S. 

Page 6: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Introduction

TÜV NORD Group (Germany)

100%

DMT GmbH & Co. KG (Germany)

IMC-Montan Consulting GmbH(Germany)

IMC Group Consulting Ltd.(UK)

DMT Geosciences Ltd. (Canada)

PT IDMT EEC (Indonesia)

IMC-Montan JV (Russia)

100% 100%50% 100% 74%

(Germany)(UK)(Canada) (Indonesia)(Russia)

51%

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IMC-SRG Services & Consultancy Ltd. (India) IMC-GCL Office Jo‘Burg (SA)

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Introduction

TÜV NORD Group (Germany)

100%

DMT GmbH & Co. KG (Germany)Planned in 2013/14DMT-IMC Turkey

IMC-Montan Consulting GmbH(Germany)

IMC Group Consulting Ltd.(UK)

DMT Geosciences Ltd. (Canada)

PT IDMT EEC (Indonesia)

IMC-Montan JV (Russia)

100% 100%50% 100% 74%

(Germany)(UK)(Canada) (Indonesia)(Russia)

51%

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IMC-SRG Services & Consultancy Ltd. (India) IMC-GCL Office Jo‘Burg (SA)

Page 8: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

The Parent Company …

DMT GmbH & Co. KG at a glance

130 Mio. € annual turnover (2012) Approx. 660 employees

16 government approved expert bodies for safety 3 accredited testing laboratories 3 accredited testing laboratories 75 government approved experts

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Services for the Mining Industry

deposit-modelling

mine planning

greenfield development

process designp g

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assistance during operationmine site rehabilitation

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Geology & Orebody Modelling

Scope of Services IMC

Geology & Orebody Modelling Resource/Reserve Estimates compliant

to JORC or NI 43-101 Bankable StudiesBankable Studies Engineering Services

- Mine Design- Process Design

Project Management Services Environmental & Social Impact

Assessments Rehabilitation of Mine Sites Investors‘ Support

- Due DiligenceMineral Expert Report- Mineral Expert Report

- Project Valuations Management Assistance during

Operation

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p

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Geology & Resources (DMT-EG)

Services Mapping

Software Expertise SURPAC

DATAMINE Exploration

Resource evaluation

Geological risk analyses

DATAMINE VULCAN SURFER IRAP RMS IRAP RMS PETREL MINEX ROCKWORKS

Planning and supervision of

2D and 3D seismic surveysG l t i i t

Geotechnicalanalysis of rocks

oint

s

Plane of division

Birdview

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ng p

lane

Slic

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ondi

tion

. Bed

ding

2. T

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ness

iner

aliz

ing

0

External form

Splitting strengthRQLD. Pro

perti

es o

f roc

ks

Rockstrengthd

[N/mm²]

of parting

LYNX

Geoelectrics, gravimetry a.o. Prospecting and drilling Sampling and QC Borehole geophysics

1076 m160 0

160

Seam 24 1078m

Fl. 24K B

1074 m

1072 m

1070 m

B20

SHSPSP

12

77

4. J

o

SPSH

SP

SH

SPSPSP

SP

80

6

8

10

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4. B

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o 1

7 . M

ug ur re we

B100

B80

B60

B40

14,4

8,4

7,2

5,1

8,6

[ N / mm² ]

100

45

65

DiametralAxial

9,6

14,4

14,437,6

27,7

14,4

60,6

56,7

40,052,9

33,2

57,8

85,5

755025

3

B10

ko ab ge zr le

[ N / mm² ]

6,9

z

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Borehole geophysics1080 m

1078 m SH

13

XG

OO45

60

4,1

90

75 21,8

21,827,7

56,15025 75100

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Rock Mechanics

Geotechnical Assessments

Stabilisation of Mine Workingsg

Assessment of underground

excavationsexcavations

Simulation and Testing of Roof

Support elementsSupport elements

Rock Burst Prevention

Pit Slope Stability & Stabilisation

20 October 2007 | Page 12 www.dmt.de2013 | Slide 12 www.imcgcl.com I www.dmt.de

Page 13: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Extraction Technologies for Coal &

Extraction & Haulage Extraction Technologies for Coal &

Ore

Layout and design of

Shovel & Truck

Long Wall

R&P

Bucket Wheel Mines

Life of Mine Plans

Layout and design of haulage systems

Layout and Design of Backfilling Plants

20 October 2007 | Page 13 www.dmt.de2013 | Slide 13 www.imcgcl.com I www.dmt.de

Plants

Page 14: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mineral Processing

Processing Technologies

Coal

Iron Ore

Base Metals

L b d Pil t Pl t T ti Lab and Pilot Plant Testing

Simulation Software for Processing

Flow Sheet Development

Design of Beneficiation Plants

Project Management Services

20 October 2007 | Page 14 www.dmt.de2013 | Slide 14 www.imcgcl.com I www.dmt.de

Page 15: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Specialist Services

Underground Mine Ventilation

Coal Mine Methane & Utilisation

Mine Closure Planning

S b id C t l Subsidence Control

Hydrogeology and Mine Water

Environmental Services Environmental Services

Methane Inflow Forecast Calculation

Gas Outburst Prevention

Mine Safety Audits

20 October 2007 | Page 15 www.dmt.de2013 | Slide 15 www.imcgcl.com I www.dmt.de

Page 16: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Introduction – NI 43-101Item 1: Summary Item 14: Mineral Resource Estimates Item 2: Introduction Item 3: Reliance on Other Experts Item 4: Property Description and

L ti

Item 15: Mineral Reserve Estimates Item 16: Mining Methods Item 17: Recovery Methods It 18 P j t I f t tLocation

Item 5: Accessibility, Climate, Local Resources, Infrastructure and Physiography

Item 18: Project Infrastructure Item 19: Market Studies and Contracts Item 20: Environmental Studies,

Permitting and Social orPhysiographyItem 6: History Item 7: Geological Setting and

Mineralization

Permitting and Social or Community Impact

Item 21: Capital and Operating Costs Item 22: Economic AnalysisMineralization

Item 8: Deposit Types Item 9: Exploration Item 10: Drilling

Item 22: Economic Analysis Item 23: Adjacent Properties Item 24: Other Relevant Data and

Information Item 11: Sample Preparation,

Analyses and Security Item 12: Data Verification It 13 Mi l P i d

Item 25: Interpretation and Conclusions

Item 26: Recommendations It 27 R f

20 October 2007 | Page 16 www.dmt.de2013 | Slide 16 www.imcgcl.com I www.dmt.de

Item 13: Mineral Processing and Metallurgical Testing

Item 27: References

Page 17: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 17 www.dmt.de2013 | Slide 17 www.imcgcl.com I www.dmt.de

Page 18: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Project - Location

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Project – other key data

• Historical production up to 4 Mt/a

• Target: Stable production of 4.32 Mt/a

• Resource grade (measured and indicated): 128.6 g Ag/t and

0.68% Zn

• Potential for re-processing of tailings 26.7 Mt @ 83 g Ag/t

20 October 2007 | Page 19 www.dmt.de2013 | Slide 19 www.imcgcl.com I www.dmt.de

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Project - pictures

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Project - pictures

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Page 22: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Project - pictures

20 October 2007 | Page 22 www.dmt.de2013 | Slide 22 www.imcgcl.com I www.dmt.de

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Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 23 www.dmt.de2013 | Slide 23 www.imcgcl.com I www.dmt.de

Page 24: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Base Parameters

• First Time Pit Optimization for the Operation

Dataset not in the required format

Effort was required to collect and generate requiredEffort was required to collect and generate required

dataset

20 October 2007 | Page 24 www.dmt.de2013 | Slide 24 www.imcgcl.com I www.dmt.de

Page 25: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Base Parameters

Final compiled set of base parameters for Pit Optimization

Sil P i 30 US$/Silver Price 30 US$/ozWaste Mining Cost 1.95 $/tOre Mining Cost 2.15 $/tProcessing and G&A Cost 21.5 $/t Silver Recovery 52 %Mining Dilution 5 %gMining Losses 5 %Overall Pit Slope 45 deg

20 October 2007 | Page 25 www.dmt.de2013 | Slide 25 www.imcgcl.com I www.dmt.de

Overall Pit Slope 45 deg.

Page 26: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 26 www.dmt.de2013 | Slide 26 www.imcgcl.com I www.dmt.de

Page 27: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Results

20 October 2007 | Page 27 www.dmt.de2013 | Slide 27 www.imcgcl.com I www.dmt.de

Page 28: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 1

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 1

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 28 www.dmt.de2013 | Slide 28 www.imcgcl.com I www.dmt.de

733

750

734

000

734

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734

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734

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735

000

735

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735

500

735

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736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 29: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 2

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 2

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 29 www.dmt.de2013 | Slide 29 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

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735

000

735

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735

500

735

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736

000

736

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736

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736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 30: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 3

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 3

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 30 www.dmt.de2013 | Slide 30 www.imcgcl.com I www.dmt.de

733

750

734

000

734

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734

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734

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735

000

735

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735

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735

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736

000

736

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736

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736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 31: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 4

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 4

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 31 www.dmt.de2013 | Slide 31 www.imcgcl.com I www.dmt.de

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750

734

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734

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734

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734

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000

735

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735

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736

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736

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736

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736

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0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 32: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 5

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 5

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 32 www.dmt.de2013 | Slide 32 www.imcgcl.com I www.dmt.de

733

750

734

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734

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734

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734

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000

735

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735

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736

000

736

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736

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736

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737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 33: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 6

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 6

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 33 www.dmt.de2013 | Slide 33 www.imcgcl.com I www.dmt.de

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750

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734

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735

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735

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736

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736

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0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 34: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 7

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 7

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 34 www.dmt.de2013 | Slide 34 www.imcgcl.com I www.dmt.de

733

750

734

000

734

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734

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734

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735

000

735

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735

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735

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736

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736

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0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 35: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 8

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 8

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

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733

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0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 36: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 9

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 9

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 36 www.dmt.de2013 | Slide 36 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 37: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 10

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 10

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 37 www.dmt.de2013 | Slide 37 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 38: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 11

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 11

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 38 www.dmt.de2013 | Slide 38 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 39: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 12

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 12

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 39 www.dmt.de2013 | Slide 39 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 40: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 13

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 13

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 40 www.dmt.de2013 | Slide 40 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 41: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Mine Development year 14

733750E

734000 E

734250 E

734500 E

734750 E

735000 E

735250 E

735500 E

735750 E

736000 E

736250 E

736500 E

736750 E

737000 E

4373000 N 4373000 N

Year 14

4372000 N 4372000 N

4372500 N 4372500 N

4371000 N 4371000 N

4371500 N 4371500 N

4370000 N 4370000 N

4370500 N 4370500 N

E

E

E

E

E

E

E

E

E

E

E

E

E

E

4369000 N4369000 N

4369500 N 4369500 N

20 October 2007 | Page 41 www.dmt.de2013 | Slide 41 www.imcgcl.com I www.dmt.de

733

750

734

000

734

250

734

500

734

750

735

000

735

250

735

500

735

750

736

000

736

250

736

500

736

750

737

0004369000 N 4369000 N

0 1002003004005006007008009001:20000

Page 42: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Price sensitivity of Gümüsköy pit optimizationResults

500

600

80.000

90.000

400

500

60.000

70.000

/t]

000

t]

200

300

30 000

40.000

50.000

Gra

de [g

Ag/

Ore

tonn

age

[0

100

200

10.000

20.000

30.000

000 5 10 15 20 25 30 35 40

20 October 2007 | Page 42 www.dmt.de2013 | Slide 42 www.imcgcl.com I www.dmt.de

Ore Tonnage Grade

Page 43: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Results

Unit 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022O P d ti 000 t 4 320 4 320 4 320 4 320 4 320 4 320 4 320 4 320 4 320 4 320

Production Schedule – optimized to receive constant head grade

Ore Production 000 t 4,320 4,320 4,320 4,320 4,320 4,320 4,320 4,320 4,320 4,320Ore Grade g/t 145 145 143 145 146 146 146 138 136 138Waste removal 000 t 4,468 3,762 4,017 3,892 3,528 3,335 3,527 2,832 4,084 4,299Stripping Ratio t/t 1.03 0.87 0.93 0.90 0.82 0.77 0.82 0.66 0.95 1.00Recovery Ore % 52 52 52 52 52 52 52 52 52 52yRecovered Ag kg 325,116 326,442 320,327 325,522 327,362 328,250 328,565 311,026 306,613 308,899

Unit 2023 2024 2025 2026 2027 2028 2029 2030 TotalOre Production 000 t 4,320 4,320 4,320 4,320 4,320 4,320 4,320 172 73,612Ore Grade g/t 140 140 152 148 140 136 116 114 141Waste removal 000 t 3,661 3,634 7,371 8,125 7,517 6,141 17,457 745 92,396Stripping Ratio t/t 0.85 0.84 1.71 1.88 1.74 1.42 4.04 4.33 1.26Recovery Ore % 52 52 52 52 52 52 52 52Recovery Ore % 52 52 52 52 52 52 52 52Recovered Ag kg 315,578 314,361 341,429 332,374 313,499 306,059 261,510 10,214 4,511,864

20 October 2007 | Page 43 www.dmt.de2013 | Slide 43 www.imcgcl.com I www.dmt.de

Page 44: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Contents

1. Introduction

2. Project

3. Base Parameters

4 Results4. Results

5. Future

20 October 2007 | Page 44 www.dmt.de2013 | Slide 44 www.imcgcl.com I www.dmt.de

Page 45: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

Future

• Operational and Life of Mine Plan (LOM) of Eti Gümüs based

on optimization results

• Reconciliation to improve the accuracy of the geological

model

• Establishing long/short-term mine plan and updating it

according to new findings on a regular basis

20 October 2007 | Page 45 www.dmt.de2013 | Slide 45 www.imcgcl.com I www.dmt.de

Page 46: Review and Pit Optimization of Eti Gümüs Silver Mine in Turkey

For more information, please contact

THANK YOU VERY MUCH FOR YOUR ATTENTION

IMC M t C lti G bH Mi h l L Ul i h R lIMC-Montan Consulting GmbHAm Technologiepark 145307 Essen / Germany

Michael Loos Ulrich Ruppel Technical Director Mining DirectorTel. +49 201 172-1536 Tel. +49 201 172-1507

www.dmt.dewww.imcgcl.com

Fax +49 201 172-1727 Fax +49 201 172-1727

[email protected] [email protected]

Branch of DMT GmbH & Co. KG - Member of TÜV NORD Group

20 October 2007 | Page 46 www.dmt.de2013 | Slide 46 www.imcgcl.com I www.dmt.de