TECHNICAL AND SOCIAL PROGRAM

FRIDAY, MAY 03

Pre-Congress Activities

Virtual Technical Course 1 | Free Access for Registered to The Congress

10:00-13:00

Approach to The Social Closure of Mines: Challenges and Opportunities
Francisca Rivero, Nigel Wight, Katrina Matamala, Dante Choque, Camila Cabrera and Catalina Bravo, SMI-ICE Chile

MONDAY, MAY 06

Pre-Congress Activities

Virtual Technical Course 2 | Free Access for Registered to The Congress

15:00-18:00

Heritage in Mining Closure Contexts
Pablo Andrade, USACH, Chile; and María Angélica Martínez, Pontificia Universidad Católica de Chile

TUESDAY, MAY 07

Pre-Congress Activities

Virtual Technical Course 3 | Free Access for Registered to The Congress

15:00-18:00

Moving Towards Passive Mine Closure
Douglas Aitken, Felipe Saavedra, Daniela Gamboa and Jacques Wiertz, SMI-ICE Chile; Claudia Ortiz, USACH, Chile; Yasna Tapia, Universidad de Chile; Carolina Parodi, Metropolitan Technological University; Peter Erskine, University of Queensland, Australia; and Oliver Maurer, WSP and Red NICOLE Latin America

WEDNESDAY, MAY 08

BALLROOM A

BALLROOM B

Session 1: Technical and Economical Risk Assessment
Moderator: Marcela Curotto, Geochemistry and Mine Closure Discipline Leader, SRK Consulting, Chile

Session 2: Rehabilitation and Post Closure Land Uses
Moderator: Marcelo Zepeda, Biodiversity and Closure Senior Lead, Teck Resources, Chile

14:00

Day 1 Program Update

Day 1 Program Update

14:10

What Doesn’t Kill the Project, Makes it Stronger: Learning from Failure in Mine Closure
Resa Furey, Phillip Crouse and Andrew Watson, Stantec, USA; and Cristian Marambio, Stantec, Chile

Planning for Post -Mining Geomorphic Final Landforms
Cameron Voss and Lachlan Yeldham, 3D Data Guidance, Australia

14:30

Enhancing Closure Plan Resilience: A Case Study on the Application of HAZOP Risk Analysis
Jessica Duarte and Karine Basto, Pimenta de Ávila, Brazil

Land Use Prospects in Post-Mining Scenarios and The Process of Identifying Alternatives
Nereyda Loza and Osvaldo Aduvire, SRK Consulting, Peru

14:50

Use of Closure Provision to Enable Optimized Closure Outcomes: Escondida Experience
Carlos Correa, Minera Escondida, BHP, Chile

A Well-done Mining Closure Plan: A Project Where the Mining and Agroindustry Sectors Came Together for Benefitial Growth
Alexandra Greidinger and Olga López, Gravillera Albania, Colombia

15:10

Improving Mine Closure Estimates and Financial Provisions
Troy Dunow, Turner & Townsend, Canada

Transfer of Auxiliary Facilities as Sustainable Closure Alternative in Peru
Giselle Vera, Ausenco, Peru

15:30

Risk Assessment in Mine Closure: Key Considerations for Proper Planning
Jorge Campos, Ager Consultoría, Chile

Title to be Confirmed
Speaker to be Confirmed

BALLROOM A

BALLROOM B

Session 3: Social Aspects and Stakeholders Engagement
Moderator: Marcela Cubillos, Project Coordinator, Gestiona Consultores, Chile

Session 4: Cover Systems
Moderator: Juan Palma, Director, Centro de Minería, PUCV, Chile

16:10

The Challenges of Social Investment Planning in Scenarios of Mine Closure
Daniela Rubilar, Camila Cabrera, Catalina Bravo, Francisca Rivero and Nigel Wight, SMI-ICE Chile

Durability of Geosynthetics for Minning Closure Coverage
Gustavo Fierro, Tecnología de Materiales, Peru

16:30

Participatory Social Closure Planning as A Tool for Community Development and Positive Legacy
Sebastián Urresta and Casey Luongo, Socionaut, Mexico; and Renato Urresta, Socionaut, Panama

A Hybrid Cover System Strategy for The Closure of a Tailings Storage Facility in Brazilian Cerrado
Gedeon Junior, Gabriel Mendonça and Alessandro Nepomuceno, Kinross Mining, Brazil

16:50

Social Impact Assessment of a Mine’s Life Cycle
Christian Belmar, Isidora Morales, Nicolás Araya and Vania Vargas, GDS Consulting, Chile

Sustainable Materials as Covers for The Closure of Tailings Storage Facilities
David Rubinos, SMI-ICE Chile

17:10

Closure, Transition and Legacy from The Kolla Communities in Rinconada, Province of Jujuy, Argentina
Edgardo Volpi and Telma Zemplin, SSR Mining Puna, Argentina

Review of Antamina Mine Cover System Studies
Celedonio Aranda, Sergio Yi Choy and Erika Calmell del Solar, Compañía Minera Antamina, Peru; Michael Milczarek, Jaime Bañuelos, Jason Keller and Iozsef Miskolczi, GeoSystems Analysis, USA

BALLROOM A & B

Inaugural Ceremony

18:00-18:30

Welcome Words

Mimy Mackenzie, Conference Manager, Gecamin, Chile
Jacques Wiertz, Planning for Closure 2024 Technical Director; Associate Professor, Universidad de Chile
Juan Palma, Planning for Closure 2024 Co-Organizer; Academic, Centro de Minería, PUCV, Chile
Francisca Rivero, Planning for Closure 2024 Co-Organizer, General Manager, SMI-ICE Chile
Hernani Lima, Planning for Closure 2024 Co-Organizer, Professor, Universidade Federal de Ouro Preto, Brazil

18:30-19:00

Opening Talk - Transforming the Legacy of Mining: Planning for the Future with Lessons from Teck’s Past
Bjorn Weeks, Senior Advisor, Mine Closure, Teck Resources, Canada

THURSDAY, MAY 09

BALLROOM A

BALLROOM B

Session 5: Closure Standards and Guidelines
Moderator: Pamela Valenzuela, Professor, Centro de Minería, Pontificia Universidad Católica de Valparaíso, Chile

Session 6: Chemical Stability
Moderator: David Rubinos, Scientific Leader, SMI-ICE Chile

08:50

Day 2 Program Update

Day 2 Program Update

09:00

Preparation for Compliance with International Closure Plan Standards
Marcelo Zepeda, Teck Resources, Chile

WRSF Landform Design Considerations to Reduce the ML/ARD Risk of Facilities in the Andes Mountains
Greg Meiers, Mine Closure Management, Canada; Juliana Esper, BHP, Chile and Paul Weber, Mine Waste Management, New Zealand

09:20

ICMM´s Closure Maturity Framework Overall Results in Chilean Assets
Marcela Cubillos, Gestiona Consultores, Chile

Passive Treatment of Sulfate-Rich Waters Derived from AMD
Juliana Esper, BHP, Chile; Virginia Ciminelli, Universidade Ferderal de Minas Gerais, Brazil; Leonardo Navarro, Mine Waste Management, New Zealand and Greg Meiers, Mine Closure Management, Canada

09:40

Holistic Approach to Redefine Mine Closure Plan
Ricardo Camargo, Vivian Sanches and Alessandro Lopes, ERM, Brazil

Chemical Stability Management for Closure: Using Geostatistics in Decision Making
Sebastián García, Vasty Zamorano, Alonso Vargas and May-Lin Almendras, Arcadis, Chile

10:00

First Functional Prototype of The Online Platform “Tailing Closure” For Assessing Physical Stability of Tailings Storage Facilities

Vinicius Minatogawa, Gabriel Villavicencio, José García and Gabriel Hermosilla, PUCV, Chile; Gonzalo Suazo, UTFSM, Chile; Pierre Breul, Université Clermont Auvergne, France; and Andrés León, Luis Briceño, Ricardo López and Gabriel Valdés, Sernageomin, Chile

AMD Mitigation by Waste Rock Relocation and Mine Flooding: The Ronneburg Mining Site
Ulf Barnekow, Marcel Roscher, Robert Sieland and Michael Paul, Wismut, Germany

BALLROOM A & B

Plenary Session 1
Moderator: Kim Ferguson, Director Mine Closure (Global), WSP, Canada

11:00-11:30

How to Deal with an Early and Unexpected Closure?
Alejandro Chambi, Environmental Manager, First Quantum Minerals, Panama

11:30-12:00

Challenges of Temporary Closure of a Mining Operation
Sandra Moreira, Manager Major Permits & Closure, Cerro Colorado, BHP, Chile

BALLROOM A & B

Plenary Session 2
Moderator: Natalia Giménez, Sustainability and Environment Manager, Minera Exar, Argentina

Plenary Session Sponsor

12:20-12:50

Ventanas Smelter Closure Key points
Claudio Flores, Change and Transformation Management Manager, Ventanas Division, Codelco, Chile

12:50-13:20

State of the Art of Dismantling Methodologies in the World
Michel Chait, General Manager, Flesan Minería, Chile

BALLROOM A

BALLROOM B

Session 7: Mine Closure Management and Governance
Moderator: Francisca Rivero, General Manager, SMI-ICE Chile

Session 8: Revegetation and Phytostabilization
Moderator: Humberto Rivas, Corporate Director Environmental Management, Codelco, Chile

14:50

Certification of Closure Projects and PAM Approach to Environmental Expertise
Ruy Guillermo and John Melgarejo, Buenaventura Mining Company, Peru

Evaluation of Native Colonising Species for Revegetation of Mining Waste Deposits in Central Chile
Patricio Olivares, Carolina Vargas, Oscar Fernández and Andrés López, Ausenco, Chile; and Juan Pedro Otárola, Minera Florida, Chile

15:10

New Approaches to Mine Closure
John Melgarejo, Buenaventura Mining Company, Peru

Monitoring of Progressive Closure Areas through Remote Sensing and NDVI Vegetation Indexes
Iván Salas and Abdhiel Bustamante, Hudbay, Peru

15:30

QB2 Project Permit Management and Closure Plans
Cecilia Adasme and Arturo Mejías, Teck Resources, Chile

Nature-Based Solutions for the Closure and Rehabilitation of Metal(loid)-Contaminated Mining Land
María Paz Valenzuela, David Rubinos, Daniela Gamboa, Dilan Campos, Felipe Saavedra, SMI-ICE-Chile; and Barry Noller and Mansour Edraki, Centre for Mined Land Rehabilitation (CMLR), Sustainable Minerals Institute, The University of Queensland, Australia

15:50

Building a Closure Vision at One of Teck’s Operations in Chile
Marcelo Zepeda, Teck Resources, Chile; Marcela Cubillos, Independent Mine Closure Consultant, Chile; and Lilian Valdebenito, SRK Consulting, Chile

Mitigating Uncertainties from Closure Planning: Experimental Method for Validation and Optimization of Erosion Control and Revegetation in Iron Ore Tailings
Julia Diana, Ricardo Almeida, Ricardo Lessa and Alexandre Pena, WSP, Brazil and Gabriel Kruschewsky, Fundação Renova, Brazil

16:10

Prioritization of Criteria Used to Operate for Mine Closure
Isabela Diniz, Alessandro Resende and Paulo Ribeiro, Vale, Brazil

*AUTHOR UNABLE TO PRESENT. PAPER PUBLISHED IN PROCEEDINGS

Phytostabilization Potential of Native Plants Species in Soils Impacted by Mining Activities
Pablo Bustos, María Paz Valenzuela, Daniela Gamboa, Dilan Campos, David Rubinos and Felipe Saavedra, SMI-ICE Chile

BALLROOM A

BALLROOM B

Session 9: Closure Plan Design and Assessment
Moderator: Andrés López, Environmental Planning & Ecology Manager, Ausenco, Chile

Session 10: Progressive Mine Closure
Moderator: Carolina del Valle, Environmental Manager, Cerro Negro, Newmont, Argentina

17:00

Assessment of Extreme Precipitation Events under Climate Change Scenarios in Search of a Resilient Closure Design
Camila Loyola, Ignacio Toro, Ricardo González and Susana Robles, WSP, Chile

Partial Closures in Chile and the Advantages of their Application
Carolina Escudero, Amir Jacob and Marcela Cubillos, Gestiona Consultores, Chile

17:20

Design Methodology for Mine Closure Covers with Geosynthetics
Gustavo Fierro, Tecnología de Materiales, Peru

Progressive Mine Closure: Reclamation of a Copper Mine Waste Pile in The North of Brazil
Bruna Costa, Schweyka de Oliveira and Larissa Bargoena, Vale Base Metals, Brazil

17:40

Geographic Information Systems and Web Viewer Implementation in the Management and Closure Planning of the World’s Largest Copper Producer, Escondida
Mauricio González and Yeraldy Díaz, Minera Escondida, BHP, Chile

Transfer and Adaptability of Wetlands for The Environmental Viability of The Mining Project in Peru
Julio César and Marisela Huamán, JCI Ingienería y Servicios Ambientales, Peru

18:00

Title to be Confirmed
Speaker to be Confirmed

Enhancing Copper Extraction in Heap Leach Pile for Sustainable Mine Closure Using BioSulphide
Oscar López, Pablo Bellalta and Francis Gantley, BQE Water, Chile

FRIDAY, MAY 10

BALLROOM A

BALLROOM B

Session 11: Economic Evaluation and Funding of Closure Plans
Moderator: César Montes, Mine Closure Lead, Newmont, Mexico

Session 12: Closure of Tailing Deposits
Moderator: Hugo Quelopana, Engineering Manager, Gestiona Consultores, Chile

08:50

Day 3 Program Update

Day 3 Program Update

09:00

The Use of Closure Plans and Closure Costs as A Modifying Factor to Convert Mineral Resources to Mineral Reserves
Leonardo Leite and Thiago Toussaint, SRK Consulting, Brazil

Tailings Storage Facilities Closure: Threats and Challenges
Jacques Wiertz, Dilan Campos, David Rubinos and Felipe Saavedra, SMI-ICE Chile

09:20

Management of Mining Liabilities: The Practical Case of Serrinha Mine – MG/Brazil
Débora Schaper, Wemerson Militão and Leticia Pires, Vale, Brazil

Closure Planning for Tailings Storage Facility: Case Study of Planned Test Cells and Their Instrumentation
Gabriela Prinz, Ana Albuquerque, Ricardo Lessa, Igo Tavares and Antônio Freitas, WSP, Brazil and Fernanda Guabiroba, AngloGold Ashanti, Brazil

09:40

Asset Management at Closure: Progressive Closure, Closure Provisions and Financial Guarantees
David Pérez, SRK Consulting, Chile

Hydraulic Dewatered Stacking (HDS): The Legacy Benefit Related to A Faster and More Value-Accretive Closure of Tailings Facilities
Andrea López, Anglo American, Chile; and Phil Newman, Anglo American, UK

10:00

Systematization of Information as A Tool for Control, Planning and Economic Evaluation of Closure Works
John Melgarejo, Ruy Guillermo and Iván Ibarra, Buenaventura Mining Company, Peru

Analysis of Closure Alternatives for Wind Erosion Control for Four Tailings Storage Facilities in Central and Northern Chile
Anna Llenas and Adolfo Andrade, WSP, Chile; and Fernando Junqueira, WSP, Canada

10:20

Systematization Proposal for Mine Closure Plans Update Based on Portfolio Management Tools
Fernanda Guabiroba, Anglogold Ashanti, Brazil and Samira Sestari Nascimento, University of Sao Paulo-ESALQ, Brazil

Evaluation of Wind Erosion in Tailings Storage Facilities for The Control of Dust Emission in The Closure Stage

Pamela Valenzuela and Juan Palma, Centro de Minería, Pontificia Universidad Católica de Valparaíso, Chile

BALLROOM A & B

Plenary Session 3
Moderator: Jacques Wiertz, Academic, Universidad de Chile

11:20-11:50

The Social, Environmental and Chemical Mine Closure at Cerro de San Pedro, Carried Out by Minera San Xavier
Marisol Barragán, General Director, Minera San Xavier, New Gold, Mexico

11:50-12:20

Mine Waste Transformation through Characterization: Unlocking Circular Economy Opportunities for The Mining Sector
Anita Parbhakar-Fox, Group Leader - Mine Waste Transformation through Characterization, Sustainable Minerals Institute, The University of Queensland, Australia

12:20-12:50

Opportunities for Progressive Closure of Underground Mines in Cerro Negro, Argentina

Carolina del Valle, Federico González and Alejandro Ojeda, Cerro Negro, Newmont, Argentina

BALLROOM A

BALLROOM B

Session 13: Mining Companies’ Perspective
Moderator: Erika Calmell, Environmental Planning Manager, Antamina, Peru

Session 14: Technical and Economic Aspects of Closure
Moderator: Hernani Lima, Professor, Universidade Federal de Ouro Preto, Brazil

14:20

Climate Change in the Design of Closure Measures: Cerro Colorado Case
Luisa Cares and Francisca Arriagada, Pampa Norte, BHP, Chile; and Sandra Moreira, BHP, Chile

Unit Costs Dispersion Analysis in Regulatory Closure Plans
Braulio Osses, Stephane Herrera and Lilian Valdebenito, SRK Consulting, Chile

14:40

Effective Mine Closure Governance: The Vital Role of the Mine Closure Committee in a Successful Site Relinquishment
Santiago Alcázar, Minsur, Peru

Advanced Geophysics in Support of Mine Closure Plans and Management of Mining Environmental Liabilities
Sergio Labbé, VEOLIA, Chile

15:00

Title to be confirmed
Speaker to be Confirmed

Experiences of Mine Closure Cover with Geosynthetic in Peru
Rainer Lagos and Gustavo Fierro, Tecnología de Materiales, Peru

BALLROOM A & B

Closing Ceremony and Farewell Toast

15:20-17:30

Congress Balance and Final Comments

Mimy Mackenzie, Conference Manager, Gecamin, Chile
Jacques Wiertz, Planning for Closure 2024 Technical Director; Associate Professor, Universidad de Chile
Bjorn Weeks, Planning for Closure 2024 Chair, Senior Advisor, Mine Closure, Teck Resources, Canada

FOYER

Poster Session

Abandoned Mine Tailings in Chile: Health Risk Assessment and Environmental Management
Simón Burgos and Patricia Matus, Universidad de Los Andes, Chile

Analysis of Soil Remediation Techniques in Copper Mining
Fernanda López, Geralynd Munizaga, Valentina Duarte, Universidad de La Serena, Chile; and Denisse Duhalde, Universidad de Concepción, Chile

The Effect of Precipitation on Mining Closure Covery with Geosynthetics

Bruna Todescan, TDM Geossintéticos, Brazil; and Gustavo Fierro, Tecnología de Materiales, Peru