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Mining Engineering, Open pit, Mine Planning, Rock Blasting, Mathematical Optimization, Algorithms
Brazil

Biography

Bachelor's degree in Mining Engineering at UFPE (2008.2 - 2014.1). Master's degree at UFRGS with focus on Mine Planning (2015.2 - 2018.2). Master of Business Administration in Business Management, Controllership and Corporate Finance at IPOG (2019.1 - 2020.2). PhD at PPGE3M at UFRGS with a focus on Mining Planning and Mathematical Optimization (2020.1 - 2024.1), scheduled for completion in 02/2024. Master's degree at the UFPE Informatics Center (CIn) with a focus on Algorithms and Mathematical Optimization (2024.1 - ...), scheduled for completion in 2026.1. Founding partner of Bergwerk Engenharia Ltda, a company operating in the mining consulting since 2018. Academic by nature, who are only satisfied by learning and sharing knowledge. Versatile professional who seeks to dominate the entire productive and administrative chain of companies and projects in which he is involved. Constant search for knowledge and personal development, both professionally and academically. Experience in planning, directing and supervising unit operations (drilling, blasting, loading, transporting, crushing and screening) in aggregate mines. Experience with mining permitting management and mineral exploration for metallic and non-metallic substances. Experience in rock blasting using explosives in medium-sized mines and civil construction works. Experience in Research, Development and Innovation (R,D and I) in the private and public spheres. Search for new methodologies and technologies that can improve strategic reliability and operational quality in mining. In recent years he has ventured into the universe of operations research, mathematical optimization and computer science, hoping to bring even better solutions to mining projects.

Activities

Employment (5)

Universidade Federal do Rio Grande do Sul: Porto Alegre, RS, BR

2024-04-24 to present | Postdoctoral Researcher (Mining Engineering Department)
Employment
Source: Self-asserted source
Jorge Luiz Valença Mariz

Bergwerk Engenharia (Bergwerk Engineering): Vitória de Santo Antão, PE, BR

2018-12 to present | CEO/Mining Consultant
Employment
Source: Self-asserted source
Jorge Luiz Valença Mariz

Fundação Luiz Englert: Porto Alegre, RS, BR

2023-02-01 to 2024-10-31 | Fellow Researcher
Employment
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal do Rio Grande do Sul: Porto Alegre, RS, BR

2020-03 to 2024-02 | Doctoral Scholarship Student (Graduate Program in Mining, Metallurgical and Materials Engineering)
Employment
Source: Self-asserted source
Jorge Luiz Valença Mariz

Pedreira Esperança (Esperança Quarry): Vitória de Santo Antão, PE, BR

2014-08 to 2019-05 | Mining Engineer/Director
Employment
Source: Self-asserted source
Jorge Luiz Valença Mariz

Education and qualifications (6)

Universidade Federal de Pernambuco: Recife, PE, BR

2024-03-01 to present | Master's Degree student (Computer Center)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal de Alfenas: Alfenas, MG, BR

2024-03-01 to present | Postgraduate in Modeling in Science and Technology (Institute of Applied Social Sciences)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal do Rio Grande do Sul: Porto Alegre, RS, BR

2020-03 to 2024-02 | PhD in Mining Engineering (Graduate Program in Mining, Metallurgical and Materials Engineering)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

IPOG: Goiânia, GO, BR

2019-02 to 2021-03 | Master in Business Administration (Business Management, Controllership and Corporate Finance)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal do Rio Grande do Sul: Porto Alegre, RS, BR

2015-06 to 2018-12 | Master in Mining Engineering (Graduate Program in Mining, Metallurgical and Materials Engineering)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal de Pernambuco: Recife, PE, BR

2008-07 to 2014-08 | Bachelor in Mining Engineering (Mining Engineering Department)
Education
Source: Self-asserted source
Jorge Luiz Valença Mariz

Professional activities (3)

Society of Mining Professors: Delft, Zuid-Holland, NL

2021-12-30 to present | Junior Member
Membership
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal de Pernambuco: Recife, PE, BR

2019 to present | Guest Researcher (Department of Mining Engineering)
Invited position
Source: Self-asserted source
Jorge Luiz Valença Mariz

Universidade Federal de Pernambuco: Recife, PE, BR

2019 | Award Category Oral Presentation, IX Mining Forum (Department of Mining Engineering)
Distinction
Source: Self-asserted source
Jorge Luiz Valença Mariz

Works (25)

Solving a multi-stage mine sequencing model encompassing excavator allocation through Constraint Programming in a bauxite strip mining operation

Journal of Sustainable Mining
2025-03-15 | Journal article
Part of ISSN: 2300-3960
Contributors: Jorge Luiz Valença Mariz; Marcel Antonio Arcari Bassani; Rodrigo de Lemos Peroni; Octávio R. A. Guimarães; Flávio H. Tavares
Source: Self-asserted source
Jorge Luiz Valença Mariz

Linear Programming Model Applied to Long-Term Mine Planning in Strip Mining Operations

Mining, Metallurgy & Exploration
2025-01-31 | Journal article
Part of ISSN: 2524-3462
Part of ISSN: 2524-3470
Contributors: Marcel Antonio Arcari Bassani; Octávio R. A. Guimarães; Flávio H. Tavares; Breno Cantadori; Ricardo Vicenzi; João Lucas de Oliveira Alves; Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni
Source: Self-asserted source
Jorge Luiz Valença Mariz

A Constraint Programming approach to solve the clustering problem in open-pit mine planning

REM - International Engineering Journal
2024 | Journal article
Contributors: Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni; Ricardo Martins de Abreu Silva
Source: check_circle
Crossref

A Multi-Stage Constraint Programming Approach to Solve Clustering Problems in Open-Pit Mine Planning

Engineering Optimization
2024 | Journal article
Contributors: Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni; Ricardo Martins de Abreu Silva; Mohammad Mahdi Badiozamani; Hooman Askari-Nasab
Source: Self-asserted source
Jorge Luiz Valença Mariz

A multi-objective constraint programming approach to address clustering problems in mine planning

Engineering Computations
2024-11-27 | Journal article
Contributors: Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni; Ricardo Martins de Abreu Silva; Mohammad Mahdi Badiozamani; Hooman Askari-Nasab
Source: check_circle
Crossref

A critical review of bench aggregation and mining cut clustering techniques based on optimization and artificial intelligence to enhance the open-pit mine planning

Engineering Applications of Artificial Intelligence
2024-07 | Journal article
Contributors: Jorge Luiz Valença Mariz; Mohammad Mahdi Badiozamani; Rodrigo de Lemos Peroni; Ricardo Martins de Abreu Silva
Source: check_circle
Crossref

Stochastic economic feasibility assessment and risk analysis of a quarry mine focusing on the Brazilian tax system

REM - International Engineering Journal
2023-03 | Journal article
Contributors: Jorge Luiz Valença Mariz; Suelen Silva Rocha; Júlio César de Souza; Gleicon Roberto de Sousa Maior
Source: check_circle
Crossref

Advanced Analytics for Rock Blasting and Explosives Engineering in Mining

Advanced Analytics in Mining Engineering
2022 | Book chapter
Part of ISBN: 9783030915889
Part of ISBN: 9783030915896
Contributors: Jorge Luiz Valença Mariz; Ali Soofastaei
Source: Self-asserted source
Jorge Luiz Valença Mariz

Advanced Analytics for Surface Mine Planning

Advanced Analytics in Mining Engineering
2022 | Book chapter
Part of ISBN: 9783030915889
Part of ISBN: 9783030915896
Contributors: Jorge Luiz Valença Mariz; Ali Soofastaei
Source: Self-asserted source
Jorge Luiz Valença Mariz

Economic feasibility study of a quarry mine under contractual risk in probabilistic approach

Tecnologia em Metalurgia, Materiais e Mineração
2021 | Journal article
Part of ISSN: 2176-1523
Part of ISSN: 2176-1515
Contributors: Jorge Luiz Valença Mariz; Suelen Silva Rocha; Júlio César de Souza
Source: Self-asserted source
Jorge Luiz Valença Mariz

Avaliação de recursos minerais em um depósito mineral de calcário calcítico

Coleção desafios das engenharias: Engenharia de minas e materiais
2021-11-12 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Determinação de blocos de partição em maciços rochosos através de planos de descontinuidades com uso de VANTs

Tecnologia em Metalurgia, Materiais e Mineração
2020 | Journal article
Part of ISSN: 2176-1523
Part of ISSN: 2176-1515
Contributors: Jorge Luiz Valença Mariz; Alfredo César Vale de Araújo; Silas Leonardo Dias Vasconcelos; Júlio César de Souza; Márcio Luiz de Siqueira Campos Barros
Source: Self-asserted source
Jorge Luiz Valença Mariz

Avaliação do desmonte de rochas com uso de explosivos em uma mina de agregados através de abordagem sistêmica

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Avaliação econômica de um projeto de mineração de agregados através da técnica de fluxo de caixa descontado

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Elaboração de um mapa de risco do trabalho em uma mina de agregados

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Equações para estimativa de vida útil de projetos mineiros em fase incipiente considerando a Regra de Taylor e sua aderência às minas brasileiras

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Influência do porte da escavadeira na viabilidade econômica de uma mineração de agregados

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Planejamento de longo prazo de uma mineração de agregados em Jaboatão dos Guararapes - PE

Engenharias: metodologias e práticas de caráter multidisciplinar 2
2020-11-09 | Book chapter
Source: Self-asserted source
Jorge Luiz Valença Mariz

Adaptação da Regra de Taylor à realidade brasileira para determinação inicial da taxa de produção em projetos mineiros

Tecnologia em Metalurgia Materiais e Mineração
2019 | Journal article
Part of ISSN: 2176-1515
Part of ISSN: 2176-1523
Contributors: Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni
Source: Self-asserted source
Jorge Luiz Valença Mariz

Elaboration of planimetric model of open pit with multiple benchs through the conventional methodology and the use of unmanned aerial vehicles (UAV)

Tecnologia em Metalurgia Materiais e Mineração
2019 | Journal article
Part of ISSN: 2176-1515
Part of ISSN: 2176-1523
Contributors: Jorge Luiz Valença Mariz; João Manoel Lourenço Correia Neto; Júlio César de Souza; Silas Leonardo Dias Vasconcelos; Suelen Silva Rocha
Source: Self-asserted source
Jorge Luiz Valença Mariz

Analysis of influence of structural geology and geomechanical in the blasting rocks prediction

ABM Proceedings
2019-10 | Conference paper
Part of ISSN: 2594-357X
Source: Self-asserted source
Jorge Luiz Valença Mariz

Comparison between economic evaluation tools on dimensioning of equipment for mine

ABM Proceedings
2019-10 | Conference paper
Part of ISSN: 2594-357X
Source: Self-asserted source
Jorge Luiz Valença Mariz

Preliminary study of economic feasibility of a project of aggregates mining through probabilistic analysis

ABM Proceedings
2019-10 | Conference paper
Part of ISSN: 2594-357X
Source: Self-asserted source
Jorge Luiz Valença Mariz

Análise comparativa de métodos de lavra na mineração de gipsita em Pernambuco

ABM Proceedings
2018-12 | Conference paper
Part of ISSN: 2594-357X
Source: Self-asserted source
Jorge Luiz Valença Mariz

Estimativa de taxa de produção em fases prematuras de projeto através de dados segmentados por substância mineral, método de lavra e porte dos empreendimentos

ABM Proceedings
2018-12 | Conference paper
Part of ISSN: 2594-357X
Contributors: Jorge Luiz Valença Mariz; Rodrigo de Lemos Peroni
Source: Self-asserted source
Jorge Luiz Valença Mariz