Surpac
RHONI LEONHARD SIDABUTAR
SENIOR MINE GEOLOGIST
Malang,JI
Summary
Results-driven mine geologist with over 9 years of experience specializing in gold deposits, dedicated to optimizing quality and quantity in grade control responsibilities. Seeking a full-time role that presents professional challenges while utilizing strong interpersonal skills, effective time management, and problem-solving expertise. Proven ability to adapt quickly to new environments, complemented by exceptional analytical, communication, and teamwork skills. Committed to contributing to team success and fostering continuous learning and growth with a positive attitude.
Overview
10
10
years of professional experience
6
6
Certifications
Work History
Senior Mine Geologist
PT. Indo Muro Kencana (IMK)
Murung Raya, Central Borneo
01.2022 - Current
- Block modeling for grade control (production) purpose using RC drilling data
- Monthly and reconciliation report for ore mined, ore blocking, grade control block model, and exploration block model
- Supervising 2 Mine Geologist, 5 Jr. Mine Geologist, and Grade Control Crew
- Managed time efficiently in order to complete all tasks within deadlines.
Mine Geologist
PT. Indo Muro Kencana (IMK)
Murung Raya, Central Borneo
07.2017 - 12.2021
- Controlling and monitoring ore mined actives especially for ore dilution and ore loss
- Stockpile Management, controlling ore blending grade and material, and maintain stockpile quality
- Made RC drilling plans for 2 Rigs in order to grade control block model
- Maximized RC drilling efficiency with strategic borehole placements based on comprehensive analysis of geologic formations.
Jr. Mine Geologist
PT. Kasongan Bumi Kencana (KBK)
Kab. Katingan, Central Borneo
01.2016 - 01.2017
- Supervising 2 Rigs RC drilling.
- Implementing and monitoring QAQC RC data/samples
- Pit mapping in order to obtain better understanding to ore characteristics
Education
Master Degree - Earth Resource Exploration
Institute Technology of Bandung
Bandung 04.2001 -
Bachelor Degree - Mining Engineering
University of Palangkaraya
Palangkaraya, KT01.2012
Skills
Teamwork and collaboration
Problem-solving
Team management
Flexible and adaptable
Supervision and leadership
Block Modeling
Geostatistics
Websites
Certification
Pengawas Operational Pertama PPSDM Geominba, Kementerian ESDM
Software
Microsoft Office
Timeline
Senior Mine Geologist
PT. Indo Muro Kencana (IMK)
01.2022 - Current
Mine Geologist
PT. Indo Muro Kencana (IMK)
07.2017 - 12.2021
Jr. Mine Geologist
PT. Kasongan Bumi Kencana (KBK)
01.2016 - 01.2017
Master Degree - Earth Resource Exploration
Institute Technology of Bandung
04.2001 -
Bachelor Degree - Mining Engineering
University of Palangkaraya