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Betseba Sibarani

Betseba Sibarani, S.T., M.T.

Nopeg: 119110062

Google Scholar


  • Water Geochemical Sampling
  • Gas Geochemical Sampling
  • Geological Field Mapping
  • Petrography Analysis
  • Mineragraphy Analysis
  • XRF and XRD Analysis
  • Fluid Inclusion Analysis
  • Gas Chromatography Analysis


2014 – 2017 Master Degree in Geothermal Engineering, Institut Teknologi Bandung (ITB),

GPA: 3,78 of 4,  Supervisor: Dr. Eng. Suryantini, Arif Susanto, ST. MT.

Thesis: Chemical Fluid Evolution of Montelago Geothermal Field, Philippine

2009 – 2013 Bachelor Degree in Geological Engineering, Institut Teknologi Bandung (ITB),

GPA: 3,49 of 4,  Supervisor: Dr. Ir. Bambang Priadi, Dr. Eddy Sucipta

Thesis: Geology and Hydrothermal Alteration of Gunung Bujang Prospect Area, Jambi


Work Experiences

Dec 2019-Jan 2020 Geothermal Geologist and Geochemist for Geoscience Survey at Ulumbu Geothermal Field
Nov-Dec 2019 Geothermal Geologist and Geochemist for Geoscience Survey at Mataloko Geothermal Field
Aug 2019-present Lecturer for Geochemistry Exploration in Geothermal,  Geological Exploration in Geothermal,  Hydrothermal Alteration,  Geothermal System and Technology,  Volcanology  and Geothermal System Course at Geothermal Master Program, ITB
Apr-Dec 2019 Geothermal Geologist and Geochemist in Geological and Geochemical Survey at Klabat-Wineru Geothermal Project
Jan 2018 – July 2019 Academic Assistant for Geochemistry Exploration in Geothermal, Geological Exploration in Geothermal, Geothermal System and Technology, Hydrothermal Alteration, Volcanology and Geothermal System Course at Geothermal Master Program, ITB
Jan 2019 Geochemical Field Sampling and Geothermal Geologist in Integrated Intensive Literature Study for the Hu’u Geothermal Resource Evaluation Project Island of Sumbawa, Indonesia
Nov-Dec 2018 Hydrogeochemist and Geologist in the Geology and Geochemistry of Arjuno-Welirang Geothermal Prospect, East Java
Oct 2018 Geochemistry Geothermal Instructor of the “Practical Geochemical Sampling and Data Analysis” for participants from Star Energy and Geodipa
Jul-Oct 2018 Petrography Analysis of Rock Samples from the Ruwai Zn-Pb Skarn Deposit, Kalimantan in collaboration with UGM and KPC
Aug 2018 Surveyor in “Study of Environmental Assessment in the Sibualbuali area” Project
Apr 2018 Geochemistry Survey: Fumarole Gas Sampling in Ungaran, Central Java
Jan-Mar 2018 Geochemical Field Sampling and Geological Research in Pusuk Bukit and Simbolon-Samosir Geothermal Area
Nov 2017-Mar 2018 Geothermal Expert for Remote Sensing and Field Check for Structural, Lithology and Alteration Mapping of Muara Laboh Geothermal Field Project.
May-Nov 2017 Geochemisty Internship in Ametis Institute Internship Program as (Geothermal Department)
2016 Chemical Fluid Evolution and Geology of Montelago Geothermal Field, Philippine by analyzing petrography, XRF, XRD, SEM, fluid inclusion and fluid chemistry.
Jul-Aug 2015 Geochemistry Internship in Kyushu University, Japan,

Performed the preparations and analyses of XRD, XRF, IC and ICP

Mar-May 2014 Structural Geologist for Patuha Geothermal Prospect Project, West Java
Dec 2013 Geochemist for Geochemical Survey in Grahu Nyabu Geothermal Prospect Project, Jambi
Jan 2013 Internship in PT ANTAM Tbk for petrography, mineragraphy, fluid inclusion analyses
Feb-May 2013 Geology and Study of Alteration in Batang Asai District, Jambi (Bachelors’ thesis at PT ANTAM)



B. Sibarani, R. Hutami, Suryantini, S. Bronto, I. Iskandar. 2018. Geological Control of Geothermal Surface Manifestation Occurences in Pusuk Buhit and Simbolon-Samosir, North Sumatra; A Preliminary Result. Proceedings, 7th ITB International Geothermal Workshop. Bandung.
J. Sianipar, B. Sibarani, B. Sutopo, Suryantini. 2017. “Volcanostratigraphy of Tampomas Based on Remote Sensing. Poster presentation. 5th IIGCE. Jakarta.
A. F. Ladiba, L. Putiyana, B. Sibarani, H. Soekarno. 2017. Review of Subduction and Its Associaton with Geothermal System in Sumatera-Java” IOP Conference Series: Earth and Environmental Science, Volume 103. Bandung.
F. Decon, A. Barnhoorn, C. Lievens, R. Ryannugroho, T. Imaro, D. Bruhn, F. D. van der Meer, R. Hutami, B. Sibarani, R. Sule, N. Saptadji, C. A. Hecker, O. Appelt, F. Wilke. 2017. Fluid-Rock Geochemical Interaction for Modelling Calibration in Geothermal Exploration in Indonesia. EGU General Assembly. Vienna, Austria.
W. Afuar, B. Sibarani, G. Abdurrahman, J. Hendrarsakti. 2016. Design of Tomato Drying System by Utilizing Brine Geothermal.  IOP Conference Series: Earth and Environmental Science, Volume 42, No. 1. Bandung.