Barbara Rios
Perth,WA
Summary
Geologist with over five years of experience in mineral exploration and underground mine geology, with strong capabilities in planning and supervising RC and diamond drilling programs. Skilled in core logging, lithostructural interpretation, QAQC protocols, geological risk assessment, and mine reconciliation. Proficient in Leapfrog, Datamine, Vulcan, and Power BI, with a focus on integrating field data into 3D models and optimizing workflows. Known for a proactive mindset, commitment to safety, and delivery of accurate, high-quality geological data to support mine planning, production, and exploration decisions.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Senior Exploration Geologist
Vale S.A.
Belo Horizonte, Brazil
12.2023 - 03.2024
- Led exploration campaigns from design to execution, optimizing drillhole planning, target prioritization, and budget use.
- Supervised multidisciplinary teams and ensured alignment of geological activities with project milestones.
- Delivered high-level geological interpretations and 3D models to support strategic exploration decisions.
- Developed Power BI dashboards to monitor QAQC and drilling KPIs, improving decision-making and reporting.
Project Exploration Geologist
Vale S.A.
Belo Horizonte, Brazil
02.2023 - 12.2023
- Planned, supervised, and executed diamond and RC drilling programs, ensuring high data quality and adherence to safety and QAQC protocols.
- Performed detailed lithological and structural drill core descriptions, supporting geological modeling and resource estimation.
- Managed core storage and disposal logistics, ensuring compliance with environmental regulations.
- Prepared QAQC reports and geological risk assessments, maintaining high data integrity.
Geological Modeller
AngloGold Ashanti
Crixás, Brazil
01.2022 - 01.2023
- Initiated and led a full reinterpretation and 3D modelling project of historically misinterpreted ore bodies, uncovering new geological insights and supporting the potential reopening of legacy mines.
- Built detailed 3D geological models using Leapfrog and Datamine.
- Supervised drilling contractors ensuring QAQC compliance and alignment with operational goals.
Graduate Mine Geologist
AngloGold Ashanti
Crixás, Brazil
07.2020 - 01.2022
- Assisted in diamond drill hole descriptions, supporting ore body identification in an underground mine.
- Conducted lithostructural mapping in underground galleries, contributing to improved geological understanding.
- Participated in QAQC processes, ensuring high-quality geological data reporting.
- Planned and monitored drilling operations in an underground gold mine, aligning activities with resource management strategies.
- Conducted lithological and structural drill core descriptions, supporting grade control and mine planning.
- Collaborated with operational teams to reconcile grades, optimize mining processes, and guide development in underground operations.
- Supervised drilling teams, ensuring compliance with QAQC protocols, safety, and health standards.
- Prepared and delivered operational reports, geological risk assessments, reconciliation, and adherence reports, ensuring alignment with mine planning and identifying areas for improvement.
Mine Geology Intern
AngloGold Ashanti
Crixás, Brazil
10.2018 - 06.2019
- Assisted in diamond drill hole descriptions, supporting ore body identification in an underground mine.
- Conducted lithostructural mapping in underground galleries, contributing to improved geological understanding.
- Participated in QAQC processes, ensuring high-quality geological data reporting.
Education
Bachelor of Geological Engineering -
Universidade Federal de Ouro Preto
Ouro Preto, MG, BrazilSkills
- Mineral Exploration
- Underground & Open-Pit Mining Operations
- Drill Planning & Supervision
- 3D Modelling (Leapfrog, Datamine, Vulcan, Micromine)
- Core Logging & Geological Mapping
- QAQC & Database Management
- Reconciliation & Geological Risk Assessment
- Mine Planning Support & Resource Evaluation
Certification
- Manual Driver’s License WA.
Timeline
Senior Exploration Geologist
Vale S.A.
12.2023 - 03.2024
Project Exploration Geologist
Vale S.A.
02.2023 - 12.2023
Geological Modeller
AngloGold Ashanti
01.2022 - 01.2023
Graduate Mine Geologist
AngloGold Ashanti
07.2020 - 01.2022
Mine Geology Intern
AngloGold Ashanti
10.2018 - 06.2019
Bachelor of Geological Engineering -
Universidade Federal de Ouro Preto