CONFERENCE PROGRAM
April 28−30, 2014 │ Ouro Preto Convention Center, Brazil
MONDAY, APRIL 28
Auditorium Ouro Preto
08:30-08:40 WELCOME FROM THE CHAIRMAN
Paulo Gouvea, Vale S.A., Brazil
08:40-09:00 OPENING SESSION
Perspectives on mine closure in the light of the new regulatory framework
Carlos Nogueira da Costa Junior, Ministry of Mines and Energy, Brazil
09:00-09:30 KEYNOTE
Evolution and application of the COPAM Regulatory Deliberation # 127 in Minas Gerais
Zuleika Stela Chiacchio Torquetti, State Foundation for Environment (FEAM/MG), Brazil
09:30-10:00 KEYNOTE
Mine closure as a pillar of sustainability
Gleuza Jesue, Vale S.A., Brazil
10:00-10:30 Coffee break
10:30-12:30 SESSION 1: LEGISLATION AND REGULATIONS
10:30-10:50 Legal and environmental aspects on the closure of dams used in mining activity in
the state of Minas Gerais, Brazil
Rodrigo Tonidandel, Total Meio Ambiente Ltda, Brazil; Hernani Lima, Federal University of
Ouro Preto (UFOP), Brazil; Maria G. Parizzi, Federal University of Minas Gerais (UFMG), Brazil;
Pietro Cota, Total Meio Ambiente Ltda, Brazil
10:50-11:10 Have the international guidelines for mine closure been internalized by the Brazilian
legal framework?
Marina G. B. Scalon, University of Dundee, UK
11:10-11:30 Mine closure in the Quadrilátero Ferrífero
Jardel Dias, National Department of Mineral Production (DNPM), Brazil; Hernani Lima, Federal
University of Ouro Preto (UFOP), Brazil; and José Cruz C. Flores, Federal University
of Ouro Preto (UFOP), Brazil
11:30-11:50 Risk assessment guideline for closure of mine facilities in Chile
Luis A. Valenzuela, Alexandra M. Belaúnde and Rodrigo A. Cádiz, ARCADIS, Chile;
Jorge A. Campos and Lilian M. Valdebenito, SERNAGEOMIN, Chile
11:50-12:10 National guide for the estimation of closure costs: the Chilean experience
Jorge Campos and Ricardo Lopez, SERNAGEOMIN, Chile; Björn Weeks and Andrés López,
Golder Associates S.A., Chile
12:10-12:30 Financial assurance for mine closure in Chile
Alfonso Olivari, SERNAGEOMIN, Chile
12:30-14:00 Lunch
14:00-16:00 SESSION 2: MINE CLOSURE APPROACHES
14:00-14:20 Management criteria and tools for inoperative iron mines
Simone Picarelli, Gersonito Vieira, Alessandro Resende, Jeanne Castro, Filipe Silveira, Germano
Araújo, Ana Carla Cota and Elder Beirigo, Vale S.A., Brazil
14:20-14:40 Regional closure plans for iron ore mines: a new approach
Alessandro Resende, Simone Picarelli, Gersonito Vieira and Flavio Luiz Costa, Vale S.A., Brazil; and
Bárbara Chiodeto, Bureau de Projetos e Consultoria Ltda, Brazil
14:40-15:00 The importance of a database for the mine closure plan
Isabela N. A. Diniz, Fernando P. M. Saliba, Larissa S. Carvalho and Robson S. F. dos Santos,TEC3
Geotecnia e Recursos Hídricos Ltda, Brazil
15:00-15:20 Opportunities for future use in mine closure
Simone Picarelli, Alessandro Resende, Gersonito Vieira and Flavio Luiz Costa, Vale S.A., Brazil;
José Antonio Gonçalves, Bureau de Projetos e Consultoria Ltda, Brazil
15:20-15:40 Public policies, interventions and results of mine closure in Portugal
Carlos Caxaria, Empresa de Desenvolvimento Mineiro (EDM) S.A., Portugal
15:40-16:00 A comparative analysis between closure tailings dams and environmental liabilities
Débora do Vale Schaper and Giani Aparecida Santana Aragão, Pimenta de Ávila Consultoria, Brazil
16:00-16:30 Coffee break
16:40-18:00 EXPERT PANEL 1: NEED AND BASIS FOR CLOSURE REGULATIONS
Chairs: Joaquim Pimenta de Ávila, Pimenta de Ávila Consultoria, Brazil; Marta Sawaya, Public
Ministry, Brazil; and Paulo Gouvea, Vale S.A., Brazil
18:10-20:00 Welcome reception
End of day 1.
TUESDAY, APRIL 29
Auditorium Ouro Preto
08:30-09:00 KEYNOTE
Losing control – the impact of social context on technical mine closure
Jeff Parshley, SRK Consulting, USA
09:00-09:30 KEYNOTE
Worldwide experience in mine closure
Geoff Beale, Schlumberger Water Services, UK
09:30-10:50 SESSION 3: CLOSURE TECHNOLOGIES
09:30-09:50 Acid rock drainage (ARD)-generating waste piles closure: guidelines for construction of soil
cover field trials
Fernando F. Junqueira, Golder Associates, Canada; Eduardo Chapadeiro, Fernando L. Pantuzzo,
Thiago T. Moreira and Ricardo F. Almeida, Golder Associates, Brazil
09:50-10:10 Biological treatment of acid mine drainage in batch reactors: evaluation of initial pH
and metal precipitation
Bárbara Franco Vieira, Pamela Talita do Couto, Giselle Patrícia Sancinetti and Renata Piacentini
Rodriguez, Universidade Federal de Alfenas, Brazil; Bern Klein and Dirk van Zyl, University of British
Columbia, Canada
10:10-10:30 Effects of Fenton's reaction on sulfide oxidation of Brazilian coal mining residues
César M. N. L. Cutruneo, Giovani A. Piva, Claudete G. Ramos, Adriane P. Nordin and
Luis Felipe S. Oliveira, Centro Universitário La Salle, Brazil
10:30-11:00 Coffee break
11:00-12:40 SESSION 4: CLOSURE TECHNOLOGIES (continued)
11:00-11:20 Metal leaching and mine waste environmental impact assessment
Flavio de M. Vasconcelos, Amplo Engenharia Ltda, Brazil; Thomas Wildeman, Colorado School
of Mines, USA
11:20-11:40 Importance of tailings properties for closure
Roger Knutsson, Luleå University of Technology, Sweden; Annika Bjelkevik, Tailings Consultants
Scandinavia, Sweden; Sven Knutsson, Luleå University of Technology, Sweden
11:40-12:00 Configuring mine disturbed landforms for long-term sustainability
Les Sawatsky and Anil Beersing, Golder Associates Ltd., Canada
12:00-12:20 Storage-release soil cover efficiency study under different hydrological conditions
using 1D Numerical Models
Carolina Milad, Javier González and Björn Weeks, Golder Associates S.A., Chile
12:20-12:40 Subsidizing tailings and waste rock pile cover system design: first instrumented
experiment results
Gustavo Silva, Geoestável and Federal University of Minas Gerais (UFMG), Brazil; Roberto
Azevedo, Federal University of Viçosa, Brazil; Ney Amorim and Gil França, Geoestável, Brazil;
Leonardo Bissacot and José Anselmo Santos, Yamana, Brazil
12:40-14:10 Lunch
14:10-15:15 EXPERT PANEL 2: MINE CLOSURE AND COMMUNITIES
Chairs: André Xavier, University of British Columbia, Canada; Henrique Lobo and José Henrique
Silveira, Vale S.A., Brazil
15:15-15:45 Coffee break
15.45-18:05
SESSION 5: CASE STUDIES
15:45-16:15 KEYNOTE
Guidelines for mine closure planning
Claudia Salles, Brazilian Mining Association (IBRAM), Brazil
16:15-16:45 KEYNOTE
Anglo American holistic mine closure planning approach: social, biophysical and financial
Rudolph Botha, Anglo American, South Africa; Ricardo Camargo and Livia Mello, Anglo American,
Brazil
16:45-17:05 Integrated management experience of AngloGold Ashanti, Brazil
Irany Braga and Fadwa Andrade, AngloGold Ashanti, Brazil
17:05-17:25 Economic diversification and mine closure: an analysis of the Misima Mine case
N.A. Botta, University of British Columbia, Canada; Suzette McFaul, SEF Canada Ltd., Canada;
André Xavier, University of British Columbia, Canada
17:25-17:45 Rehabilitation and closure plan for a uranium mining complex in Brazil
Antônio H. A. Freitas and Eduardo Chapadeiro, Golder Associates, Brazil; Roy Lopes, Golder
Associates, Canada; Celso de O. Loureiro, Golder Associates, Brazil; Ron Barsi, Golder Associates,
Canada; Rens Verburg and David Banton, Golder Associates, USA; Ernest Becker, Golder
Associates, Canada; Heraldo Rangel Jr., Indústrias Nucleares do Brazil, Brazil
17:45-18:05 Partnerships and early planning with good science: the key to long-term ecological
and socio-economic success
Livia Mello, Ricardo Camargo, Daniel Medeiros, Roney Almeida, Rogério Vasconcelos,
Flávia Toledo and Viviane Menini, Anglo American, Brazil
18:10-20:00 Meet and greet (happy hour)
End of day 2.
WEDNESDAY, APRIL 30
Auditorium Ouro Preto
08:30-09:00 KEYNOTE
Mine closure conception and process development do’s and don’ts: a practical view
from the Portuguese experience
Sofia Barbosa, Empresa de Desenvolvimento Mineiro (EDM) S.A., Portugal
09:00-10:40 SESSION 6: FUTURE TECHNOLOGIES AND PROCESSES
09:00-09:20 Capturing local citizen’s perceptions of mine closure in Mongolia and assessing the
socio-economic mine closure (SEMC) framework
André Xavier, Marcello Veiga and Dirk van Zyl, University of British Columbia, Canada
09:20-09:40 Closure cost estimating: an engineered approach
Scott Stebbins, Aventurine Engineering, Inc., USA
09:40-10:00 Conceptual mine closure plan - Solution applied to the Juruti Project, Luanna Di Guimarães,
Edson Santos Júnior and Hernani Lima, Federal University of Ouro Preto (UFOP), Brazil; Caroline
Rezende Zaparoli, Volnei Tenfen and Henrique Santos, Alcoa World Alumina, Brazil
10:00-10:20 Water treatment technologies for rehabilitation purposes
Claudia Ortiz, Jaime Pizarro, Diego Veliz, Hector Rioseco, Ximena Castillo, Héctor Cid and Daniel
Barros, University of Santiago de Chile, Chile
10:20-10:40 Mining closure strategies to optimize capping of spoils and tailing lagoons
Lucas de Melo, Ranjiv Gupta and R. David Espinoza, Geosyntec Consultants, USA
10:40-11:10 Coffee break
11:10-11:30 Recent advances in slope monitoring radar for open-pit mines
Paolo Farina, Niccolò Coli, Francesco Coppi, Francesco Babboni and Lorenzo Leoni, IDS Ingegneria
Dei Sistemi SpA, Italy; Thiago Marques and Felipe Costa, IDS Brasil Engenharia de Sistemas Ltda,
Brazil
11:30-12:30 EXPERT PANEL 3: PLANNING FOR LONG-TERM RESILIENCE AND MAINTENANCE AND
FUNDING OF SUCH ACTIVITIES
Chairs: Dirk Van Zyl, University of British Columbia, Canada; Lucas de Melo, Geosyntec
Consultants, USA; and Giani Aragão, Pimenta de Ávila Consultoria, Brazil
12:30-13:30 Lunch
13:30-14:00 KEYNOTE
Mine closure: fixing criteria for preparation of hydraulic dimensioning and hydrological
studies in the long term horizon
Mario Cicarelli, Potamos Engineering & Hydrology, Brazil
14:00-16:00 SESSION 7: FUTURE TECHNOLOGIES AND PROCESSES
14:00-14:20 Monitoring criteria for mining assets in the post-closure period
Makoto Namba, Vinicius Wedekin, Vivian Sanches and Frederico Bohland Neto, Bureau de Projetos
e Consultoria, Brazil; Gersonito Vieira, Vale S.A., Brazil
14:20-14:40 A probabilistic assessment of open-pit slope failures in the post-closure phase
Aloysio P. M. Saliba, Fernando P. M. Saliba and Jhoan S. P. Panitz, TEC3 Geotecnia e Recursos
Hídricos, Brazil; Rodrigo P. de Figueiredo, Federal University of Ouro Preto (UFOP), Brazil;
Fernanda B. S. Duarte, TEC3 Geotecnia e Recursos Hídricos, Brazil
14:40-15:00 Coffee break
15:00-15:20 Consolidation and closure of artisanal mining processing plants in Portovelo, Ecuador
Brandon Nichols, Dirk Van Zyl and Marcello Veiga, University of British Colombia, Canada
15:20-15:40 Closure methodology applied to the Córrego do Meio iron ore mine,
Minas Gerais, Brazil
Gersonito Vieira, Alessandro Resende, Flávio Luiz Costa and Simone Picarelli, Vale S.A, Brazil;
Makoto Namba, Bureau de Projetos e Consultoria Ltda, Brazil
15:40-16:00 Integrated surface/subsurface models in support of mine closure planning
Rob McLaren, Golder Associates, Canada; Young-Jin Park and Steve Berg, Aquanty, Canada;
Jeff Randall and Blythe Reiha, Golder Associates, Canada
16:00-16:30 Virtual tour of Aguas Claras
Presented by Vale S.A., Brazil
16:30-17:00 Closing remarks
End of day 3 and end of conference.
POSTER PRESENTATIONS
Posters will be on display during the entire conference. We encourage you to visit the poster session during the
breaks and talk to the authors.
1. Nano-mineralogical study of coal and fly ashes from coal-based captive power plant (India)
Marcel F. Braga, Andréia G. Mello, Giovani A. Piva, Claudete G. Ramo and Rubens M. Kautzmann,
Centro Universitário La Salle, Brazil
2. Evaluation of environmental pollution and mineralogical characterization of sediment rivers from
Brazilian coal mining acid drainage
Marcel F. Braga, Amanda N. Silva, Camila L. Dias, Giovani A. Piva and Sílvio R. Taffarel, Centro
Universitário La Salle, Brazil
3. Application of plants on mineralogical and chemical characteristics of soils grown on a decantation
bank from a copper mine
Claudete G. Ramos, Rivana B. Modesto, Adriane P. Nordin, Giovani A. Piva and Luis F. O. Silva, Centro
Universitário La Salle, Brazil
4. Leaching of capacity hazardous chemical elements of coal cleaning rejects
Adriane P. Nordin, Amanda N. Silva, Giovani A. Piva, Camila L. Dias and Luis F. O. Silva, Centro
Universitário La Salle, Brazil
5. Division of mineralogical and inorganic geochemical components of coals from Santa Catarina,
Brazil, by industrial beneficiation processes
Adriane P. Nordin, Matheus Civeira, Claudete G. Ramos, Giovani A. Piva and Luis F. O. Silva, Centro
Universitário La Salle, Brazil
6. Period of flight secondary ion mass spectrometry and high-resolution transmission electron
microscopy/energy dispersive spectroscopy: a prior study of the distribution of Cu2+ and Cu2+
/Pb2+ on Bt horizon surfaces
Giovani A. Piva, Andréia G. Mello, Marcel F. Braga, Claudete G. Ramos and Sílvio R. Taffarel, Centro
Universitário La Salle, Brazil
7. Mineral speciation and disposal of some hazardous contaminants in coal waste pile from anthracite
mining in Portugal, Giovani A. Piva, Rivana B. Modesto, Marcel F. Braga, Adriane P. Nordin and Sílvio R.
Taffarel, Centro Universitário La Salle, Brazil
8. Soil interaction and fractionation of placed cadmium in some Galician soils
Camila L. Dias, Matheus Civeira, Giovani A. Piva, Adriane P. Nordin and Rubens M. Kautzmann, Centro
Universitário La Salle, Brazil
9. Leaching and mineralogy characteristics of beneficiated coal products from Santa Catarina
State, Brazil
Camila L. Dias, Amanda N. Silva, Marcel F. Braga, Giovani A. Piva and Luis F. O. Silva, Centro
Universitário La Salle, Brazil
10. Nanomineral and nanoparticles in coal waste piles from Portugal
Adilson Dalmora, Fabiane Marostega, Felipe Leão, Claudete Gindri, Giovani Piva and Luis F. O. Silva,
Centro Universitário La Salle, Brazil
11. The chemistry of Fe-minerals in feed coals and ashes
Fabiane Marostega, Centro Universitário La Salle, Brazil
12. Coal mining drainage and environmental health in the Santa Catarina region, Brazil,
Fabiane Marostega, Felipe Leão, Claudete Gindri, Adriane Nordin, Adilson Dalmora and Silvio R. Taffarel,
Centro Universitário La Salle, Brazil
13. Characterization coal with to human health and environmental in of Santa Catarina (Brazil)
Fabiane Marostega, Felipe Leão, Claudete Gindri, Giovani Piva, Rafael Santos and Marcos Oliveira, Centro
Universitário La Salle, Brazil
14. Economically viable procedure for mine wastewater cleaning and purification using double ion
exchange
Branko Tomašević and Branislav Gazibarić, Clarendon Balkan DOO, Serbia; Miloš Mitch Bulajić, Clarendon
Resources, Ltd., Serbia; Miloš Karović, Aero Akva Inženjering DOO, Serbia; Branko Kecman, Aqua Bor
DOO, Serbia
15. Planning and sustainability in mine closures
Ricardo Manoel de Oliveira, Ana Lúcia Silva Taveira and Nayana Grasielle Marques Silva, Vale
Fertilizantes, Brazil
16. Dewatering of industrial clay wastes, sludge, and other mine tailings using electrokinetic (EK)
techniques
Victor M. Damasceno and James Wang, Geosyntec Consultants, Inc., USA
17. Costs of recovering of a conceptual plan for deactivation of a gold mine in the state of Bahia
José Baptista de Oliveira Júnior and O.P. Furquim, Universidade Federal da Bahia (UFBA), Brazil
18. Risk analysis: a key support for strategic decisions on mine closure
Alexandra M. Belaúnde, Luis A. Valenzuela, Ignacio A. Flores, ARCADIS, Chile; Anne Thatcher, ARCADIS,
USA
19. Political risk and cultural corporate management or lack thereof in mine closure exploration
activities: the case of Cerro Chorcha, Panama City, Panama
Hernan Ruiz and Marcello Veiga, University of British Columbia, Canada
20. The integrated mine closure plan and the benefits arising from this approach
Mariana Mata-Machado, Rodrigo C. Barbosa, TEC3 Recursos Hídricos e Geotecnia, Brazil; Maria C.
Schindler, independent consultant, Brazil
21. The relevance of Brazilian legal regulations on mine closure
Maria C. Schindler and Rodrigo C. Barbosa, TEC3 Recursos Hídricos e Geotecnia, Brazil
22. Social aspects to be considered in mine closure plans: a social, environmental and economical
alternative
Eliane S. F. Almeida, FUMEC University, Brazil; Daniela A. Menezes, AECOM, Brazil; Fabrício C. A.
Penido, ICF International, Brazil
23. Case study: updating mine closure normative documents at Vale
Nei Rivello, Daniel Ruas and Luciana Crivelare, Vale S.A., Brazil