Peer-reviewed Publications (ISI - Science Citation Index)

•   Enrique Jélvez, Nelson Morales, Pierre Nancel-Penard, Juan Peypouquet & Patricio Reyes (2016). Aggregation heuristic for the open-pit block scheduling problem. European Journal of Operational Research, Volume 249, N° 3, pp. 1169-1177.

•   José Saavedra-Rosas, Enrique Jélvez, Jorge Amaya & Nelson Morales (2016). Optimizing open pit block scheduling with exposed ore reserve. Southern African Institute of Mining and Metallurgy, Volume 116, N° 7, pp. 655-662.

•   Nelson Morales & Patricio Reyes (2016). Increasing value and feasibility of open pit plans by integrating the mining system into the planning process. Southern African Institute of Mining and Metallurgy, Volume 116, N° 7, pp. 663-672.

•  Gonzalo Nelis & Michel Gamache & Denis Marrcotte & Xiaoyu Bai. (2016). Stope optimization with vertical convexity constraints. Optimization and Engineering. 17. pp  813–832.

Peer-reviewed Conference Publications (no ISI)

•  Enrique Jélvez, Nelson Morales & Hooman Askari Nasab (2016). A New Methodology for the Automated Pushback Selection. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

•  Javier Perez & Nelson Morales (2016). Production Estimate in Selective Underground Mining by Simulations. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

•  Alejandro Ehrenfeld, Sergio López, Nelson Morales & Javier Testart (2016). Virtual Planning Room: Analytical Mine Planning Work, Based on Tools Integration and a Robust Cloud Information System. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

•  Andrés Parra & Nelson Morales (2016). Qualitative Review of Alternative Transport Systems for Open Pit Mine. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

•  Sebastián Seguel, Nelson Morales & Alejandro Cáceres (2016). Incorporating Geometallurgical Attributes and Uncertainties into Mine Planning of an Open Pit Mine. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

•  Antonio Barberán, Alfredo López, Carsten Friedrich, Felipe Navarro, Carlos González, Nelson Morales & Álvaro Egaña (2016). Abeja VGML: Geometallurgical Application on Cloud Services. In Proceedings of the 6th International Conference on Innovation in Mine Operations - MININ 2016, Santiago, Chile.

Peer-reviewed Conference Publications (no ISI)

•  Maximiliano Alarcón, Nelson Morales & Xavier Emery (2015). Using Simulation to Assess the Trade-off Between Value and Reliability in Open-Pit Planning. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 333-342.

•  Cecilia Julio, Jorge Amaya, Amina Lamghari & Nelson Morales (2015). Optimal Economic Envelope of Joint Open-Pit and Underground Mines. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 343-351.

•  Nelson Morales, Enrique Jélvez, Pierre Nancel-Penard, Alexandre Marinho & Octavio Guimaraes (2015). A Comparison of Conventional and Direct Block Scheduling Methods for Open-Pit Mine Production Scheduling. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 1040-1051.

•  Nelson Morales, Alejandra Gómez & Javier Vallejos (2015). Multi-Criteria Optimization for Scheduling of a Bench and Fill Mine. In Proceedings of the 37th APCOM 2015, Fairbanks, Alaska, USA. pp. 1072-1078.

Invited and Contributed Talks

• Jélvez E., Morales N., Nancel-Penard P., "MIP based heuristics to optimize block scheduling: Improving known solutions in Minelib", in CORS/INFORMS 2015, Montreal, Canada.

• Morales N., Nelis G., Quiroz J., Rocher W., "UDESS - A multipurpose scheduling problem for mine planning", in CORS/INFORMS 2015, Montreal, Canada.

• Morales N., Nancel-Penard P., "MineLink: A framework for optimization in open pit block scheduling", in CORS/INFORMS 2015, Montreal, Canada.

• Nelis G., Gamache M., Marcotte D., Bai X., "Stope optimization with convexity constraints", in CORS/INFORMS 2015, Montreal, Canada.

• Morales N., Gómez A., Vallejos J., "Multi-criteria optimization for scheduling of a Bench & Fill mine", in MinePlanning 2015, Antofagasta, Chile.

• Sepúlveda G., Alarcón M., Morales N., "integración de parámetros técnico-económicos y variables geometalúrgicas en la planificación minera", in MinePlanning 2015, Antofagasta, Chile.

• Parra A., Morales N., Vallejos J., "Planificación minera a cielo abierto utilizando fundamentos geomecánicos", in MinePlanning 2015, Antofagasta, Chile.

• Alarcón M., Morales N., Mancilla D., "VGML: integración de minería de datos, geostadística y planificación minera en la nube", in MinePlanning 2015, Antofagasta, Chile.

• Yarmuch, J., Nancel-Penard P., Morales N., "Factores relevantes para la comparación de modelos de optimización en minas a rajo abierto", in MinePlanning 2015, Antofagasta, Chile.

• Vargas E., Morales N., Emery X., "Cálculo de envolvente económica bajo incertidumbre geológica en minas de Block Caving", in MinePlanning 2015, Antofagasta, Chile.

• Manríquez F., Navarrete M., Morales N., "Evaluación de incertidumbre geológica y operacional en planes mineros de corto plazo a cielo abierto", in MinePlanning 2015, Antofagasta, Chile.

• Jélvez E., Morales N., Sepúlveda G., "Comparación de distintas aproximaciones para calcular pit final robusto bajo incertidumbre de leyes", in MinePlanning 2015, Antofagasta, Chile.

• Toro H., Morales N., "Agendamiento multi-criterio de actividades de preparación minera en el corto plazo", in MinePlanning 2015, Antofagasta, Chile.

• Morales N., "Nuevos desafíos para el modelamiento  en planificación minera", in OPTIMA 2015, Antofagasta, Chile.

• Nancel-Penard P., Cornillier F., Morales N., "A hybrid improvement heuristic for the constrained pit problem in open pit mining", in OPTIMA 2015, Antofagasta, Chile.

• Lobiano C., Morales N., Vallejos J., "Integración del peligro sísmico en planificación minera de Panel Caving", in OPTIMA 2015, Antofagasta, Chile.

• Toro H., Morales N., "Modelo de agendamiento de actividades de preparación minera de corto plazo", in OPTIMA 2015, Antofagasta, Chile.

2013-2014

• Quiroz J., Morales N., Rudloff B., "Using real options to introduce flexibility in mine planning under uncertainty", in MinePlanning 2013, Santiago, Chile.
• Jélvez E., Morales N., Nancel-Penard P., Mancilla D., "Combining and comparing strategies for open pit block scheduling", in MinePlanning 2013, Santiago, Chile.
• Vargas E., Morales N., Emery X. "Footprint and Economic Envelope Calculation for Block/Panel Caving Mines under Geological Uncertainty", in MinePlanning 2013, Santiago, Chile (POSTER).
• Quiroz J., Morales N., Rudloff B., "Using real options to introduce flexibility in mine planning under uncertainty", in APCOM 2013, Porto Alegre, Brazil.
• Jélvez E., Mancilla D., Morales N., Nancel-Penard P., "Comparing heuristics for the open pit block scheduling problem", in APCOM 2013, Porto Alegre, Brazil.
• Vargas E., Morales N., Emery X., "Footprint and Economic Envelope Calculation. for Block Caving Based Mines Under Geological Uncertainty", in Caving 2014, Santiago, Chile.
• Morales N., "Optimization of Mine Development Planning", in Caving 2014, Santiago, Chile.
• Nelis G., Morales N., Ortiz J. "Stochastic Programming applied to Mine Planning under Geological Uncertainty with Different Levels of Information", in IFORS 2014, Barcelona, España.
• Alarcón M., Morales N., Emery X., McFarlane A., López A., Mancilla D., "Integrating data analysis, geostatistics and mine planning to compute the ultimate pit", in GeoMet 2014, Santiago, Chile.

2012

• Maximiliano Alarcón, Edgardo Madariaga, Nelson Morales y Enrique Rubio, Integrating constructability of a project into the optimization of the production planning and scheduling, in MassMin 2012, Sudbury, Canada.
• Winston Rocher, Milivoj Smoljanovic, Enrique Rubio y Nelson Morales, Optimal sequencing and scheduling for a block/panel cave mining, in MassMin 2012, Sudbury, Canada.
• Manuel Reyes, Xavier Emery and Nelson Morales, Final Pit: Simulated annealing approach with floating cones, in MININ 2012, Santiago, Chile.
• Enrique Jelvez, Nelson Morales, Juan Peypouquet and Patricio Reyes, Algorithms based on aggregation for the open pit block scheduling problem, in MININ 2012, Santiago, Chile.
• Bastian Rudloff and Nelson Morales, Real Options in open pit mine planning under geological uncertainty, in MININ 2012, Santiago, Chile.
• Maximiliano Alarcón, Edgardo Madariaga and Nelson Morales, Underground development sequencer and schedule applied to a panel caving mine, in MININ 2012, Santiago, Chile.
• Bastián Rudloff, Nelson Morales, "Aumento de confiabilidad en planes de producción de minas operadas a cielo abierto, mediante la incorporación de incertidumbre geológica y opciones reales.", in VI Seminario de Acercamiento Tecnológico, Calama, Chile, 2012.
• Manuel Reyes, Xavier Emery, Enrique Jelvez y Nelson Morales, "Fast algorithms for open pit planninf: Tackling uncertainty in mining", en VI Seminario de Acercamiento Tecnológico, Calama, Chile, 2012.
• Nelson Morales, Sharing Chilean and Southafrican experiences in mine planning research: MineLink, in Efficient Optimization for Mine Planning, 2012, Johannesburg, Southafrica.

2011

• Nelson Morales, Enrique Rubio, Winston Rocher, "UNDERGROUND DEVELOPMENT SEQUENCER AND SCHEDULER CONSIDERING CONSTRUCTABILITY", in MinePlanning Antofagasta, Junio 2011.
• Nelson Morales, Enrique Rubio, Milivoj Smoljanovic, "BLOCK/PANEL CAVING SCHEDULING UNDER PRECEDENCE CONSTRAINTS", in MinePlanning, Antofagasta, Junio 2011.
• María José Alpízar, Nelson Morales, Enrique Rubio, Jacques Wiertz "MODELS TO REDUCE DIESEL CONSUMPTION OF TRANSPORT AND ARSENIC EMISSIONS", in MinePlanning, Antofagasta, Junio 2011.
• Nelson Morales, Winston Rocher, Enrique Rubio, Milivoj Smoljanovic, "Integrating constructability of a project into the optimization of production plans and schedules" in IFORS, Melbourne, Australia, Julio 2011.
• Nelson Morales, Enrique Rubio, "Planificación Minera de Corto Plazo para Cielo Abierto", in Primer Taller Internacional de Planificación Minera OVIMINE, Lima, Perú, Marzo 2011.
• Enrique Jélvez, Nelson Morales, Juan Peypouquet, Patricio Reyes, "Aggregation heuristics for producing lower bounds to the open pit sequencing problem" in X ISORA, Lima, Perú, Septiembre 2011.
• Winston Rocher, Nelson Morales, Enrique Rubio, "Eight-Dimensional Planning: Construction of an Integrated Model for the Mine Planning Involving Constructability", in proceedings of APCOM 2011, Wollongong, Australia, Septiembre 2011.
• Milivoj Smoljanovic, Nelson Morales, Enrique Rubio: "Panel Caving Scheduling Under Precedence Constraints Considering Mining System." in proceedings of APCOM 2011, Wollongong, Australia, Septiembre 2011.
• Winston Rocher: "Ocean mining, Undersea mining or Offshore mining in the Chilean National Legislatoin, in the International Law and its technological Progress", in proceedings of UNDERWATER MINING INSTITUTE 2011, Hawaii, Septiembre 2011.
• Winston Rocher: "Secuenciamiento de Preparación y Desarrollo Minero en Faenas Subterráneas", 60a convencion del Instituto de Ingenieros de Minas de Chile, Calama, Chile, Octubre 2011.
• Winston Rocher: "Nuevo mundo, nuevos recursos", 60a convencion del Instituto de Ingenieros de Minas de Chile, Calama, Chile, Octubre 2011.

2010

• Newman A., Rubio E., Caro R., Weintraub A., Eurek K. "A Review of Operations Research in Mine Planning", J. Interfaces Volume 40 Issue 3, May 2010.
• Nelson Morales, "Short-Term Open Pit planning with blending constraints" in Discrete Mathematics, Sydney.
• Nelson Morales, Enrique Rubio, "Robust Open-Pit Planning under Geological Uncertainty", in MININ 2010, Santiago.
• Jorge Amaya, Nelson Morales, "Mathematical Formulation and Strategies for the Mine Planning Problem", in ALIO INFORMS, Buenos Aires 2010.
• María José Alpízar, Nelson Morales, Jacques Wiertz, "Optimization Models to reduce CO2 emisions and energy consumption of transport in openpit mines", ABSTRACT in ENERMIN, Santiago 2010.
• Enrique Rubio, Nelson Morales, Fernando Peirano, Marcelo Vargas, "DELPHOS: Laboratorio de Planificación Minera", V Seminario de Acercamiento Tecnológico, Calama.
• Delphos organizó también el primer Taller de Planificación Delphos.

2009

• Camilo Morales, Enrique Rubio, ''Development of a Mathematical Programming Model to Support the Planning of Short-Term Mining'' at APCOM 2009, Vancouver, Canada
• Andrés Solar, Enrique Rubio, Alexandra Newman, "Open Pit Underground Transition Supported by Integer Linear Programming Modeling", in APCOM 2009, Vancouver.
• Enrique Rubio, "Planning Caving Operations Using Underground Infrastructure Reliability Models, Andina Case Study", in APCOM 2009, Vancouver.
• Marcelo Vargas, Nelson Morales and Enrique Rubio, ''A short term mine planning model for open-pit mines with blending constraints" in MinePlanning 2009, Santiago, Chile.
• Marcelo Vargas, Nelson Morales, Patricio Mora, "Secuencing Model for Reserves Extraction Incorporating Operacional and Geometallurgical Variables" in MinePlanning 2009, Santiago.
• Fernando Peirano and Marcelo Vargas, Eman Widijanto, Eman Widijanto, "Risk Associated to Incorporating Indicated and Inferred Resources in a Mine Plan", in MinePlanning 2009, Santiago.
• Gustavo Donoso, Álvaro Vergara and Rodrigo Zúñiga, Nelson Morales and Enrique Rubio, "Mathematical Modelling for Planning Under Geological Uncertainties", in MinePlanning 2009, Santiago.
• Camilo Morales, Nelson Morales and Enrique Rubio, ''Short Term Mine Planning Model Supporting Geometallurgical Operational Blending'' in INFORMS 2009, San Diego, USA.
• Sebastián Troncoso, Patricio Prieto, Enrique Rubio, "Cut off Grade Optimizer Integrating Contaminant Constraints" in Proceeding of APCOM 2009, Vancouver.