Issues, Technologies, Experience and Governance

April 27–30, 2014 | Ouro Preto, Minas Gerais, Brazil

Organized by InfoMine

Presentations

Mine Closure Solutions 2014 conference included 45 presentations. Unfortunately, not all presentations can be made public and published here. The following list includes only those presentations that have been released by the authors for public disclosure. If you wish to obtain the presentations unavailable on this site, please contact the authors directly.

Legislation and Regulations

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.

Have the international guidelines for mine closure been internalized by the Brazilian legal framework?

Marina G. B. Scalon, University of Dundee, Scotland, UK

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.

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.

Financial assurance for mine closure in Chile.

Alfonso Olivari, National Geological and Mining Survey, Chile.

Mine Closure Approaches

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.

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.

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.

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.

Políticas Públicas, Ações e Resultados do Encerramento de Minas em Portugal (Public policies, interventions and results of mine closure in Portugal).

Carlos Caxaria, Empresa de Desenvolvimento Mineiro (EDM) S.A., Portugal.

A comparative analysis between closure tailings dams and environmental liabilities.

Débora do Vale Schaper and Giani Aparecida Santana Aragão, Pimenta de Ávila Consultoria, Brazil.

Closure Technologies

Acid rock drainage (ARD)-generating waste piles closure: guidelines for construction of soil cover field trials.

Fernando Junqueira, Golder Associates, Canada; Eduardo Chapadeiro, Fernando Pantuzzo, Thiago T. Moreira, and Ricardo F. Almeida, Golder Associates, Brazil.

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.

Fenton’s reaction by sulphide oxidation on coal mining rejects: effective prevention method after mine closure.

César M. N. L. Cutruneo, Giovani A. Piva, Claudete G. Ramos, Adilson Dalmora, and Luis Silva, Centro Universitário La Salle, Brazil.

Metal leaching and mine waste environmental impact assessment.

Flavio de M. Vasconcelos, Amplo Engenharia Ltda, Brazil; Thomas Wildeman, Colorado School of Mines, USA.

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.

Configuring mine disturbed landforms for long-term sustainability.

Les Sawatsky and Anil Beersing, Golder Associates Ltd., Canada.

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.

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.

Case Studies

Holistic mine closure planning approach: social, biophysical and financial (keynote presentation)

Rudolph Botha, Anglo American, South Africa; Ricardo Camargo and Livia Mello, Anglo American, Brazil.

Integrated management experience of AngloGold Ashanti, Brazil.

Irany Braga and Fadwa Andrade, AngloGold Ashanti, Brazil.

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.

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.

Partnerships and early planning with good science: the key to long-term ecological and socio-economic success.

Flávia Toledo, Livia Mello, Daniel Medeiros, Roney Almeida, Rogério Vasconcelos, Viviane Menini, Ricardo Camargo, Anglo American, Brazil.

Future Technologies and Processes

Fechamento de Minas: Concepção e Desenvolvimento de Projetos. Os do’s & dont’s. Uma Visão Prática da Experiência Portuguesa (Mine closure conception and process development do’s and don’ts: a practical view from the Portuguese experience) (keynote presentation)

Sofia Barbosa, Empresa de Desenvolvimento Mineiro (EDM) S.A., Portugal.

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.

Closure cost estimating: an engineered approach.

Scott Stebbins, Aventurine Engineering, Inc., USA.

Conceptual mine closure plan – Solution applied to the Juruti Project.

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.

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.

Optimization of capping systems.

Lucas de Melo, R. David Espinoza, and Ranjiv Gupta, Geosyntec Consultants, USA.

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.

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.

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.

Consolidation and closure of artisanal mining processing plants in Portovelo, Ecuador.

Brandon Nichols, Dirk Van Zyl and Marcello Veiga, University of British Colombia, Canada.

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.

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.