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All Journal Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Pendidikan IPA (JPPIPA) EnviroScienteae JRST (Jurnal Riset Sains dan Teknologi) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jambura Geoscience Review J SIG (Jurnal Sains Informasi Geografi) J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Jurnal Inovasi Pengabdian Masyarakat Pendidikan Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Journal of Geoscience Engineering and Energy (JOGEE) Journal of Earth Energy Science, Engineering, and Technology Geographica: Science and Education Journal
Ronal Hutagalung
Gorontalo State University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Journal of Geoscience, Engineering, Environment, and Technology

 1 
Subsurface Shallow Modelling Based on Resistivity Data in The Hot Springs Area of Libungo Geothermal, Gorontalo, Indonesia Intan Noviantari Manyoe; Ronal Hutagalung
Journal of Geoscience, Engineering, Environment, and Technology Vol. 5 No. 2 (2020): JGEET Vol 05 No 02 : June (2020)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.715 KB) | DOI: 10.25299/jgeet.2020.5.2.5094

Abstract

Volcano-tectonic events in Libungo can be the cause of the presence of geothermal potential. There is no detailed research on shallow subsurface conditions in Libungo that can show the distribution of subsurface fluids. This research aims to create a shallow subsurface model of the Libungo geothermal area based on resistivity data. Resistivity data collection was carried out in the Libungo hot springs area. The electrode configuration used is the Schlumberger configuration. The variation in resistivity values is calculated using current data, potential difference data and geometry factors. The results of the calculation of the resistivity values variation are plotted versus depth. Variations of resistivity value versus depth are then displayed in the form of a single log, lithology distribution and 3D lithology model. The results showed that the shallow subsurface of the Libungo geothermal area was composed of andesite, volcanic breccia, silty clay and clay. Andesite in the research area has resistivity values ranging from 320 - 349 Ωm, has slightly fracture and is andesite dry. Volcanic breccia has a resistivity value of 177-198 Ωm, has a well to slightly fracture and is a volcanic breccia moist. Silty clay has a resistivity value of 3.25-37.99 Ωm and is a wet to moist silty clay. Clay has resistivity values in the range 1.56-2.78 Ωm and is wet to moist clay. Fluid distribution in the shallow subsurface area occurs in volcanic breccia, silty clay and clay. Shallow subsurface fluids accumulate mostly in the northern part of the Libungo geothermal area.
Application of Lineament Density Extraction Based on Digital Elevation Model for Geological Structures Control Analysis in Suwawa Geothermal Area Intan Noviantari Manyoe; Ronal Hutagalung
Journal of Geoscience, Engineering, Environment, and Technology Vol. 7 No. 3 (2022): JGEET Vol 07 No 03 : September (2022)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2022.7.3.8085

Abstract

The tectonic condition of Gorontalo, which is located in the north of Sulawesi Island has implications for the spread of geothermal potential. The area in Gorontalo with the largest geothermal potential is the Suwawa area, Bone Bolango Regency. Therefore, this study aims to develop a model of lineament extraction from a digital elevation model and analyze the geological structure control based on the lineament distribution. This research is useful for the development of knowledge in the geothermal field, especially the study of permeability and structural control in geothermal areas. This research is beneficial for the community because it can detect the permeability zone in more detail which is the basis for the utilization of geothermal potential. The factors studied in this study are the geological lineament density and the geological structures. To achieve the research objectives, extraction methods and model analysis include analysis of permeable and control of geological structures. The lineament extraction model from the digital elevation model in the Suwawa geothermal area shows that there is a moderate to high agreement for lineament extraction from NATIONAL DEM data and low to moderate agreement for lineament extraction from SRTM data. The lineament distribution showing moderate to high density occupies the southern, eastern, and western parts of the Suwawa geothermal area. The presence of a lineament controls the circulation of geothermal fluids in the Suwawa geothermal area.
Study of Boalemo Red Limestone for Geotourism Development based on Lithological, Geochemical Analysis and Geological Heritage Assessment Nana Juhriana Yusuf; Yayu Indriati Arifin; Ronal Hutagalung; Intan Noviantari Manyoe
Journal of Geoscience, Engineering, Environment, and Technology Vol. 8 No. 3 (2023): JGEET Vol 08 No 03 : September (2023)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2023.8.3.12075

Abstract

Indonesia has very diverse and unique rocks that have the potential to become a geological heritage. Based on the existing potential, an integrated management system is needed so that it can be utilized for the welfare of the community, one of which is a geopark. Gorontalo has a rock distribution consisting of several formations, one of which is the Tinombo Formation which is the oldest formation. In this formation there is red limestone which has great potential due to its rarity so that it can be developed into a site in the development of a geopark in Gorontalo. The purpose of this research is to conduct a geosite assessment of geological features in Boalemo Regency as a basis for developing geotourism in Boalemo Regency, Gorontalo. The research site is located in Dimito Village, Wonosari Subdistrict and Lahumbo Village, Tilamuta Subdistrict, Boalemo Regency, Gorontalo Province. The methods used in this research are lithological analysis, Geochemical analysis and geosite potential analysis using the technical guidelines for geological heritage resource assessment by the Geological Survey Center. The results showed that the red color-controlling minerals in limestone are hematite and rodoxite, the red color-controlling chemical elements in limestone are SiO2, MnO, Fe2O3, Sr and CaO. The results of the assessment of geological features explain that the Wonosari Red Limestone Site and the Tilamuta Red Limestone Site are included in the medium category. Geosite Red Limestone can be developed as an object of study in the field of education by utilizing natural laboratories for the development of geoparks in Gorontalo.
Co-Authors Aisyah Alya H Panai Anggun Farwati M Abdullah chisilia maloho Dewi Rahmawaty Isa Djamal Adi Nugroho Uno I Gede Sindu Pratama Indriani Indriani Intan Noviantari Manyoe Ivan Taslim M. Iqbal Liayong Pratama Mohamad Dio Pangulu Muh Kasim Muh Nasrullah Al Fauzan Muhammad Kasim Nana Juhriana Yusuf Nani Mardiani Novariani Payuyu Noviar Akase Oka Arin Ghaneswara Permana, Aang Panji Reskiyanto Fauzi Duwingik Rini Rahmatia S Sri Maryati Sri Maryati Sunarty Suly Eraku Yayu Indriati Arifin