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Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground : we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec () Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and : a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive , Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground mining: we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from gold megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex copper gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Australia Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec (finland) Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and silver: a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Engineering Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ Nickel West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Canada Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Brazil Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive Metallurgy, Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground mining: we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from gold megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex copper gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Australia Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec (finland) Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and silver: a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Engineering Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ Nickel West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Canada Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Brazil Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive Metallurgy, Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground mining: we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from gold megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex copper gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Australia Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec (finland) Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and silver: a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Engineering Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ Nickel West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Canada Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Brazil Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive Metallurgy, Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground mining: we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from gold megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex copper gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Australia Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec (finland) Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and silver: a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Engineering Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ Nickel West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Canada Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Brazil Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive Metallurgy, Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint Wednesday, September 11, 2019

1 2

7:30 AM ­ 8:55 AM Registration open and arrival networking day 1

9:00 AM ­ 10:35 AM PLENARY AND KEYNOTE PRESENTATION 1

Welcome to Country Dr. Richard Walley OAM, Noongar Elder

Welcome from the Conference Chair Leon Lorenzen, Lorenzen Consultants And Mintrex

AusIMM Official Conference Opening Janine Herzig, AusIMM

Plenary Presentation: Underground mining: we are just scratching the surface Bill Beament, Northern Star Resources Ltd

Keynote Presentation: Unlocking sustained value from gold megaprojects Simon Hille, Newmont Goldcorp

10:35 AM ­ 11:05 AM Morning coffee break and ePoster session day 1

Gold adsorption onto activated carbon in the presence of viscosity modifiers Rolf Andreas Lauten, Pionera

11:05 AM ­ 12:25 PM TECHNICAL SESSION 1a: Gold mine optimisation TECHNICAL SESSION 1b: Sensors, monitoring and (mining, processing and exploration) 1 control 1

Development of a novel in­situ carbon content measurement for CIL and CIP processes Marko Latva­Kokko, Outotec

Control and optimisation of a gold milling and flotation Gold Analysis using PhotonAssay: Deployment and circuit Operating Experience David Phillpotts, Mintek James Tickner, Chrysos Corporation

Digital twin application as virtual instruments at Haile Gold Does gravity gold recovery make a difference in the Mine profitability of a low­grade orebody? Josue Nduwa Mushidi, Oceanagold Corp. Michelle Helm, Censio

Automating cyanide measurement and control in highly Study on attrition of carbon particles during regeneration of variable complex copper gold ores by applying a modified activated carbon potentiometric titration determination Aditya Kale, Mintek Greg Zwolak, Orica Australia Pty Ltd

KellGold cyanide­free low­emissions recovery of metals from polymetallic concentrates Mike Adams, Lifezone Ltd & Kelltech Ltd

12:25 PM ­ 1:25 PM Lunch & ePoster session day 1

1:25 PM ­ 2:00 PM KEYNOTE PRESENTATION 2

Keynote Presentation: Modelling approaches and their application in comminution circuit design Steve Morrell, SMC Testing Pty Ltd

COI Presentation: Metallurgical Society Dean David, Wood

2:00 PM ­ 3:20 PM TECHNICAL SESSION 2a: Innovative mining TECHNICAL SESSION 2b: Pre­oxidation of refractory ores practices/developments 1 1

Laboratory and field evaluations of a new non­toxic gold leach reagent Xianwen Dai, CSIRO

Hydro hoisting: a new approach Pokrovskiy pressure oxidation (POX) hub –from Peter Fraser, Hydro Power Equipment (pty) Ltd laboratory to commercial production Timo Haakana, Outotec (finland) Oy Enhancing the leaching rate of gold in alkaline glycine solutions Enhancing gold recovery from refractory bio­oxidised gold Elsayed Oraby, Curtin University concentrates through mechano­chemical activation Richmond Asamoah, University Of South Australia Gold roasting technology advances and how to handle complex concentrates more sustainably Kibali Gold Mine sulphide concentrate treatment – Stefan Brauner, Outotec understanding the preoxidation of sulphide concentrates Thamsanqa Mahlangu, Kibali Gold Mines

Novel biooxidation process for low grade refractory sulfidic ores Jaeheon Lee, University of Arizona

3:20 PM ­ 3:50 PM Afternoon coffee break and ePoster session day 1

3:50 PM ­ 5:10 PM TECHNICAL SESSION 3a: Gold ore characterisation TECHNICAL SESSION 3b: Gold mine optimisation approaches for a new era of processing & mineralogy and (mining, processing and exploration) 2 characterisation

Characterising the effect of different modes of particle breakage on coarse gangue rejection for an orogenic gold ore Paul Bode, Western Australian School Of Mines, Curtin Gold leaching from copper concentrate using alternative University lixiviants Jaeheon Lee, University of Arizona Novel technology provides on­line measurement of particle size in individual cyclones: Barrick Cortez case X­Ray computed tomography for 3D analysis of gangue study mineral rejection by gravity preconcentration of sulfidic John Viega, CiDRA Minerals Processing gold ores Teresa McGrath, Curtin University Gold Technology Mineralogical controls on gold extraction: a comparison of Group leaching techniques on South African ores Kirsten Youlton, University of the Witwatersrand Emerging technologies in cyanidation of gold and silver: a glance at some of the latest contributions The mineralogy and processing potential of some ores Guy Deschenes, BBA Inc from the Commonwealth prospect in NSW, Australia Mark Aylmore, Curtin University Plant optimisation approach at the Tropicana Gold Mine Naim Abou­Rjeily, Mintrex Pty Ltd

6:00 PM ­ 8:00 PM Welcome reception sponsored by The Perth Mint

Thursday, September 12, 2019

1 2

7:30 AM ­ 8:30 AM Workshop: Mental health – managing risks, supporting employees and maximising productivity

Mental Health – Managing Risks, Supporting Employees and Maximising Productivity Tracey Inglis, Rural And Remote Mental Health

7:30 AM ­ 8:55 AM Registration open and arrival networking day 2

9:00 AM ­ 10:20 AM PLENARY 2 AND KEYNOTE PRESENTATION 3

Day 2 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Securing Australia’s Golden Future Jim Beyer, Regis Resources

Keynote Presentation: Technology in the gold industry: why the future will still need people Dr Vanessa Guthrie,

10:20 AM ­ 10:50 AM Morning coffee break & ePoster session day 2

Flowsheet options for processing copper gold and gold copper ores Damian Connelly, Mets Engineering Group Pty Ltd

10:50 AM ­ 12:10 PM TECHNICAL SESSION 4a: Innovative mining TECHNICAL SESSION 4b: Digital transformation/industry practices/developments 2 4.0, exploration of new gold deposits & geology on orogenic gold deposits

Give a mate a break, please Terry Lee, Moriah Mining Consultants

Potential of the dense media cyclone for gold ore A geodynamic atlas for West African mineral systems preconcentration Mark Jessell, The University Of Western Australia Ndagha Patience Mkandawire, Curtin University ­ WASM The Bottle Creek gold project revisited Significant Increase in Gold Recovery using Jameson Cell Damian Connelly, Mets Engineering Group Pty Ltd Flotation Technology Virginia Lawson, Glencore Technology Orogenic gold deposits in the Yilgarn craton: a review Nicolas Thebaud, Centre for Exploration Targeting, Low­ and high­pressure injection for secondary recovery School of Earth Sciences, University of Western Australia of gold in heaps Dale Rucker, Hydrogeophysics, Inc.

Going local ­ innovating resource estimates to improve investment decisions Jacqui Coombes, AMIRA International

12:10 PM ­ 1:10 PM Lunch & ePoster session day 2

Oxidation Of A Refractory Gold Concentrate Using Pressure, Atmospheric and Bacterial Oxidation Processes Chad Czerny, SGS Australia Pty Ltd

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

1:10 PM ­ 1:45 PM KEYNOTE PRESENTATION 4

Keynote Presentation: Mineral Resource estimation technology and challenges in the 21st Century – when will the robots be taking over? Ian Glacken, Optiro

COI Presentation: Social and Environment Society Georgia Manning, BHP ­ Nickel West

1:45 PM ­ 3:05 PM TECHNICAL SESSION 5a: Gold mine optimisation TECHNICAL SESSION 5b: Sensors, monitoring and (mining, processing and exploration) 3 control 2

Recalling the vertical carbon kiln to duty Outotec Roaster Optimizer in pyrite processing Ben Strong, Ausenco Stefan Brauner, Outotec

Start­up, commissioning and optimization of the gravity Sensor­based ore sorting methodology investigation circuit at Atlantic Gold’s Moose River Project in Eastern applied to gold ores Canada Mariana Lemos, Anglogold Ashanti Andrew Harris, Sepro Mineral Systems Collaboration leads to real time control of gold leach Start­up, commissioning and optimization of the gravity circuits circuit at Atlantic Gold’s Moose River Project in Eastern Sandy Gray, Gekko Systems Canada Craig Hudson, Atlantic Gold Online gold analysis using X­ray fluorescence Juha Timperi, Outotec (Finland) Oy Geometallurgical analysis for increasing gold recovery ­ Santa Bárbara Mariana Lemos, Anglogold Ashanti

INCO cyanide destruction insights from plant reviews and laboratory evaluations Paul Breuer, CSIRO

3:05 PM ­ 3:35 PM Afternoon coffee break & ePoster session day 2

Mineralogical factors affecting the extraction of gold in various ores Jing Li,

3:35 PM ­ 4:55 PM TECHNICAL SESSION 6a: Process flowsheet optimisation TECHNICAL SESSION 6b: Geology on orogenic gold 1 deposits

The Auplata modular gold recovery plant The influence of basin architecture on Au fertility – Derrin Auerswald, SGS Bateman evidence from the Capricorn Orogen Sandra Occhipinti, CSIRO Application of a co­adsorption model for the design of CIL/CIP circuits New insights into the Central Gawler Gold Province, SA Alan Bax, Ozmet Justin Gum, Geological Survey of South Australia

Operational insights to carbon­in­leach processing through Reverse circulation drilling for gold: geological context and dynamic simulation sampling method validation – Córrego do Sítio Mines, Jaco Steyn, Flank Engineering Inc Brazil Caio César Cardoso Gomes, AngloGold Ashanti Porgera Gold mine, flotation, autoclave, leaching and acacia reactor improvements The geophysical characteristics of orogenic gold systems Pale Gueme, Porgera Joint Venture and implications for exploration Mike Dentith, Centre For Exploration Targeting, University Of Western Australia

5:00 PM ­ 6:00 PM Networking hour

7:00 PM ­ 10:00 PM Conference dinner sponsored by Mintrex

Friday, September 13, 2019

1 2

8:00 AM ­ 8:55 AM Registration open and arrival networking day 3

9:00 AM ­ 10:20 AM PLENARY 3 AND KEYNOTE PRESENTATION 5

Day 3 welcome and opening remarks Leon Lorenzen, Lorenzen Consultants And Mintrex

Plenary Presentation: Accelerating innovation in the gold mining sector Elizabeth Lewis­Gray, Gekko Systems

Keynote Presentation: Fit­for­purpose gold leach systems Jacques Eksteen, Extractive Metallurgy, Western Australian School of Mines

10:20 AM ­ 10:50 AM Morning coffee break day 3

10:50 AM ­ 12:30 PM TECHNICAL SESSION 7a: Process flowsheet optimisation TECHNICAL SESSION 7b: New developments in 2 comminution (crushing and grinding) & Pre­concentration and coarse particle gangue rejection

Grinding circuit evolution Mark Sherman, Fluor Australia Pty Ltd

Decision support for ore sorting and preconcentration in gold applications Transferring R&D results into optimal process design ­ the Richard Bearman, Bear Rock Solutions Pty. Ltd. good and the bad Leon Lorenzen, Lorenzen Consultants And Mintrex Ore to be sorted? Guidance via geometallurgical modeling of gold mining value chain Flowsheet development of a refractory gold ore to Matti Talikka, Outotec minimise arsenic issues in the environment Damian Connelly, Mets Engineering Group Pty Ltd Exploiting heterogeneity: improving head grade and project value Swirl flow agitation for a BIOX neutralization process Bob McCarthy, SRK Consulting (Canada) Inc. Jie Wu, CSIRO Gangue rejection responses for a variety of gold ores Improving recovery at the Syama Gold Mine Teresa McGrath, Curtin University Gold Technology Brett Ascott, Resolute Mining Limited Group

Grain morphology and hosting characteristics as determining factors in micron to sub­micron gold recoverability Eddy Hill, Zeiss

12:30 PM ­ 1:30 PM Lunch day 3

1:30 PM ­ 2:05 PM KEYNOTE PRESENTATION 6

Keynote Presentation: The story of digital Daniel van der Spuy, Process IQ

COI Presentation: Health and Safety Society Scott Wotherspoon, Alcoa of Australia Limited

2:05 PM ­ 3:05 PM TECHNICAL SESSION 8: Gold mine optimisation (mining, processing and exploration) 4

Unravelling causes of refractoriness in complex flotation and bio­oxidised auriferous concentrates for efficacious gold extraction Richmond Asamoah, University Of South Australia

Benefits of high frequency vibrating screen in gold processing plant Huy Nguyen, Mintrex Pty Ltd

Arsenic management in gold mine water circuits: West­African case studies André Van Coller, Digby Wells Environmental

3:05 PM ­ 3:35 PM Afternoon coffee break day 3

3:15 PM ­ 5:40 PM T2: Chrysos PhotonAssay Technology Tour

3:35 PM ­ 4:35 PM PANEL SESSION

Saturday, September 14, 2019

Post Conference Workshop and Tour

9:00 AM ­ 5:00 PM T1: Boddington Gold Mine and The Perth Mint