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All Journal UNM Geographic Journal JRST (Jurnal Riset Sains dan Teknologi) Jurnal GEOSAPTA Jambura Geoscience Review Journal Of Khairun Community Services Journal of Geoscience Engineering and Energy (JOGEE) JAGE Jurnal Riset dan Pengabdian Interdisipliner
Hutagalung, Ronal
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Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences Other

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STUDI GEOMORFOLOGI DAERAH TENILO DAN SEKITARNYA, KECAMATAN TILAMUTA, KABUPATEN BOALEMO, PROVINSI GORONTALO Yenayo, Hafipa; Arifin, Yayu Indriati; Hutagalung, Ronal
UNM Geographic Journal Volume 7 Nomor 2 September2024
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ugj.v7i2.66275

Abstract

The research area is located in the village of Tenilo and its surroundings, which exhibit interesting land characteristics and features, making it an attractive site for study. This research aims to analyze and map the geomorphological conditions in order to obtain information related to various geomorphological aspects. The method used is the analysis of geomorphological aspects. The results of this study indicate that the geomorphological units in the area include volcanic hills, denudational hills, and marine plains. The geomorphological aspects of this area are categorized as follows: morphography, consisting of hill and plain units; morphometry, with elevation points ranging from 0 to 350 meters above sea level, and slope gradients from flat to steep; morphogenesis, which includes active morphostructures such as faults and joints, and passive morphostructures such as andesite, volcanic breccia, and alluvial deposits; morphodynamics, characterized by river flow patterns including dendritic and sub-parallel patterns, with river stages ranging from mature to youthful. According to the regional geological map of the Tilamuta sheet, the morphochronology of the research area dates back to the Eocene to Holocene epochs, and the morpho-arrangement of the area is dominated by high erosion processes.
edukasi kearifan lokal dan inovasi berkelanjutan dalam pemberdayakan intelektual dan kreativitas anak-anak melalui edukasi geologi dan simulasi kepelatihan tangap bencana terhadap becana alam Hutagalung, Ronal; Kasim, Muhammad; umar, Risky
Journal Of Khairun Community Services Vol 4, No 2 (2024): Journal Of Khairun Community Services
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jkc.v4i2.8267

Abstract

Bencana alam merupakan salah satu permasalahan yang cukup multi-dimensial yang selalu menjadi topik yang cukup serius untuk di bahas dan di kaji secara terus menerus, perlu adanya edukasi dan sebuah inovasi berkelanjutan dalam mempelajari dan menangulangi peristiwa bencana alam ini untuk menghindari berbagai macam bentuk kerugian yang akan di timbulkan nantinya, khususnya terhadaP keseimbangan aspek aspek kehidupan apalagi di era globalisasi yang saat ini semakin berkembang dan maju membuat peristiwa bencana alam hampir sering terjadi di setiap daerah yang ada di Indonesia. Di desa bongo, kecamatan batudaa Pantai merupakan salah satu daerah yang cukup potensial untuk terjadinya peristiwa bencana alam yang mempengaruhi kesimbangan aspek aspek kehidupan yang di sebabkan oleh bencana alam, untuk mendapatkan pemahaman berupa edukasi Dan inovasi yang berkelanjutan dalam penangulangan kebencanan terhadap kepedulian tentang kebencanaan Masyarakat local harus di berdayakan melalui pendekatan yang juga mencakup pengenalan ahli profesi kebencanaan melalui ahli geologi kepada anak anak Untuk menanamkan wawasan tentang kebencanaan dan kepedulian terhadap linkgungan sebagai bahan investasi ilmu untuk mereka di masa depan nanti.
Geokimia Batuan Beku Daerah Tanjung Kramat dan Sekitarnya, Kecamatan Hulonthalangi, Kota Gorontalo Suwandi, Joga Bagaswicaksono; Kasim, Muh; Hutagalung, Ronal; Aris, Ayub Pratama
Journal of Applied Geoscience and Engineering Vol 3, No 2 : Desember 2024
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v3i2.30325

Abstract

The research area has a highly complex diversity of igneous rocks, predominantly consisting of fresh rocks, making it suitable for geochemical analysis. The research on the petrogenesis of igneous rocks is located in the Tanjung Kramat area and its surroundings, Hulonthalangi District, Gorontalo City. The aim of this research is to analyze the geological conditions of the study area, analyze magma affinity, and the tectonic setting of the formation of igneous rocks in the study area based on X-Ray Fluorescence (XRF) geochemical data. The methods required to achieve this research include observations of the geological conditions of the study area (lithological observations, outcrops, and rock sample collection), and laboratory analysis (XRF geochemical). The stratigraphy of the study area consists of four units, ordered from youngest to oldest, namely: alluvial deposit unit, limestone unit, porphyritic andesite unit, and granite unit. Geochemical analysis shows a tholeiitic magma affinity for the J.TK15 sample and calc-alkaline for the J.TK20 sample, with a tectonic setting of island arc calc-alkaline basalt, originating from a subduction zone or orogenic zone.
Analisis Porositas Batugamping Sebagai Reservoir Air Tanah Daerah Bintalahe, Kabupaten Bone Bolango, Provinsi Gorontalo Hisyam, Febrina; Permana, Aang Panji; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 3, No 2 : Desember 2024
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v3i2.30311

Abstract

Reservoir rocks are subsurface rocks that are porous and able to store and flow groundwater that can be utilized by the surrounding community. The rocks that function as groundwater reservoirs in the Bintalahe area are limestone. Almost the entire research area is composed of limestone so it is interesting to study. Gorontalo is located on the northern arm of Sulawesi which is bordered by two provinces and two seas, namely North Sulawesi Province in the east, Central Sulawesi Province in the west, Tomini Bay in the south and the Sulawesi Sea in the north. Gorontalo has interesting geological diversity to study, especially in Bintalahe Village. This study aims to analyze the porosity value of each limestone facies in the research area. The methods used are field observation and laboratory analysis as well as analysis of the specific gravity of coarse aggregate. The results of the study consist of three limestone facies, namely mudstone facies, batupakes facies and pumice facies. The potential of limestone in the Bintalahe area as a groundwater reservoir is in the category of poor to quite good.
Analisis Kestabilan Lereng pada Ruas Jalan Trans Sulawesi Desa Olohuta Kecamatan Kabila, Kabupaten Bone Bolango Kodung, Mohamad Ashar; Permana, Aang Panji; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 3, No 2 : Desember 2024
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v3i2.30310

Abstract

The Trans Sulawesi Road in Olohuta Village, Kabila Bone District, is a crucial route connecting Gorontalo and North Sulawesi. Given the steep roadside slopes, geological analysis and slope stability assessments are essential to prevent landslides that could disrupt access. This study evaluates geological conditions and slope stability using the Rock Mass Rating (RMR), Slope Mass Rating (SMR), and Safety Factor (FK) methods. Geological mapping reveals dacite rock formations within a fault zone, with a Northeast-Southwest structural orientation. RMR analysis classifies slope 1 (RMR = 62) and slope 2 (RMR = 57) as "good." SMR analysis indicates partial stability, with slope 1 experiencing Direct Toppling (20.47%) and slope 2 undergoing Flexural Toppling (18.52%), resulting in SMR values of 58.25 and 53.25, respectively. The Bishop Method shows low safety factors, with values of 0.59 for slope 1 and 0.56 for slope 2, indicating instability. To improve slope stability, this study recommends modifying slope geometry.
Analisis Tipe Longsoran Daerah Pohe Kota Gorontalo Berdasarkan Orientasi Struktur Geologi Usman, Fatma T.; Arifin, Yayu Indriati; Hutagalung, Ronal; Permana, Aang Panji
Journal of Applied Geoscience and Engineering Vol 1, No 1 : Juni 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1025.447 KB) | DOI: 10.34312/jage.v1i1.15517

Abstract

Administratively, the research area is located in Pohe Village, Hulonthalangi sub-district, Gorontalo City, Gorontalo Province. Astronomically, the research area is at coordinates 00030'16.10"- 00030'41.58" north latitude and 12302'36.10"- 12303'19.55" east longitude. The purpose of this study was to analyze the type of landslide based on the orientation of the geological structure of the Pohe area and the type of landslide based on the orientation of the geological structure of the Pohe area. The method used in this research is retrieval of field data, namely lithological data, geological structure data and slope data of the research area, then structural data processing using dips 6.0 software application and analyzed using stereographic projections. Based on the results of identification and stereographic analysis, it shows that in the research area there are 2 types of landslides, namely plane failure and toppling failure. The type of plane failure is found at stations 1.1, 1.2, 1.3, 1.4, and 1.6. While the type of landslide toppling failure is found at stations 1.5, 1.7, and 1.8.
Estimasi Potensi Cadangan Air Tanah Dengan Metode Persamaan Darcy di Desa Pilomonu, Gorontalo Sugianti, Komang; Zainuri, Ahmad; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 1, No 1 : Juni 2022
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (715.376 KB) | DOI: 10.34312/jage.v1i1.15505

Abstract

This research aims  to know  the  prediction   of potential   for  groundwater reserves.   The  research method  applies  surface  geological mapping  and subsurface  data  collection  with  the 200-span   Schlumberger configuration   geoelectric  method.  The  stratigraphy of the research   area  is  sorted  from  old  to  young,  the  first  is  the  granodiorite   unit,  the sandstone   unit,  and  alluvial   units   are  deposited   inconsistently.   The  geological structure working in the research area has a dominant northwest-southeast direction. The  direction  of. groundwater flow  follows the topography of the  research area, whicb is flowing from the north to the south, where the elevation  of the norlh js higher than the eJevation of the south. The aquifer characteristics in the research area can be divided  into two based  on the mterpretation  of geoelectric  inversion,  such as shallow  aquifer with material  in the  form of sand  and  deep  aquifer with  sand  and gravel material. Prediction  of the  potential  for  groundwater   reserves   is  obtained  from  the interpretation   of geoelectric  data  and data  from  the  calculation  of the  groundwater level in the research area by observing the. conditions  around the research area So, it is obtained a prediction  of potential  for shallow groundwater reserves is 360.444 m3/day or equivalent to  360,444   liters/day,  and  the  prediction   of poteptial   deep groundwater reserves is 66,520.476  m3/day or equivalent to 66:,520,476 liters/day.
Porosity Value Analysis of Limestone as a Groundwater Reservoir in West Kaidundu Village, Bulawa Sub-District, Bone Bolango Regency Mooduto, Tirsya Aygina Jaenet; Permana, Aang Panji; Hutagalung, Ronal
Jambura Geoscience Review Vol 7, No 1 (2025): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jgeosrev.v7i1.28313

Abstract

West Kaidundu is a village with diverse terrain conditions, covering high hilly areas, some lowlands, and coastal areas in Bulawa Sub-District, Bone Bolango Regency. The diverse morphological and geological conditions have an impact on the potential of natural resources, the distribution of limestone, and different geological structures.Research on the porosity of limestone is crucial to obtain information about its porosity value. A study analyzing the porosity of limestone in Kaidundu Barat Village has not been conducted before. Therefore, this research is significant and interesting to carry out at the study location. The results of the study reveal the geological conditions of the research area, which consists of three geomorphological units: pyroclastic ridge, karst plain, and alluvial plain units. The study area is composed of wackestone and mudstone limestone, pyroclastic breccia, and alluvial deposits. From the porosity analysis, the wackestone limestone in the study area, categorized as reservoir rock, falls into the poor category, while the mudstone limestone is classified as fair.
Density and Porosity Analysis of Limestone as a Groundwater Reservoir in Kayubulan Village, Gorontalo Regency Ahmad, Fadhil Abdillah; Permana, Aang Panji; Hutagalung, Ronal
Jambura Geoscience Review Vol 7, No 1 (2025): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jgeosrev.v7i1.28250

Abstract

This study examines the potential of limestone in Kayubulan Village, Batudaa Pantai District, Gorontalo Regency, to determine its suitability as a groundwater reservoir. The research focuses on understanding the relationship between rock density and porosity, which are key factors in water storage capacity. The methods employed include geological field mapping, specific gravity testing following SNI 1969:2008 standards, and petrographic analysis. Geological field mapping identified the distribution and characteristics of limestone facies, while specific gravity testing involved measuring dry weight (𝑊₀) and saturated weight (W_w),which were incorporated into Giancoli's (2014) density formula. Petrographic analysis was conducted to examine the inverse relationship between density and porosity in various limestone facies and to identify porosity types.Five samples representing Wackestone, Packstone, Crystalline Carbonate, and Coralline Framestone facies were analyzed for density, porosity, and water absorption. Based on Koesoemadinata's (1980) classification, porosity values were as follows: Wackestone 4.49% (negligible), Packstone 8.4% (poor), Wackestone FAK 12 10.54% (fair), Crystalline Carbonate 12.69% (good), and Coralline Framestone 23.7% (very good). Variations in micrite and sparite composition also influenced porosity; Wackestone FAK 15 showed lower porosity than FAK 12 due to its higher sparite content.Coralline Framestone emerged as the most viable reservoir candidate, as high-porosity, low-density rocks generally exhibit superior water absorption capacities. These findings highlight the significance of porosity and density in groundwater management and offer valuable insights for optimizing Gorontalo's water resources.
Geokimia (XRF) Batuan Andesit Daerah Putiana Dan Sekitarnya, Kecamatan Anggrek, Kabupaten Gorontalo Utara Hemeto, Fasya Ramadhan; Arifin, Yayu Indriati; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 4, No 1 : Juni 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i1.30327

Abstract

This research was conducted in Putiana village and its surrounding area, Anggrek District, North Gorontalo Regency. The geographical position of this area is at 122°47'09.9'' - 122°48'31.9'' East Longitude and 0°48'43.3'' - 0°50'00.3” North Latitude (WGS84 Zone 51N) with a study area of 6 km². The research was conducted with the aim of knowing the geochemistry of andesite rocks and the tectonic order that occurred in the research area. The method used in this research is geological mapping which aims to determine the geological conditions and X-ray fluorescence (XRF) geochemical analysis to determine the chemical content of rocks. The results showed that the stratigraphy of the research area when sorted from old to young includes andesite porphyry units, andesite units, and alluvial sediment units. Based on geochemical analysis, it is known that the magma type of the andesite rock series of the research area is tholeiitic and includes basalt rock types. The magma origin is Island Arc Tholeiitic, with the tectonic setting of the research area occurring in the orogenous zone/subduction zone.
Co-Authors Agustaman, Rukmini Ahmad Zainuri Ahmad, Artina Ahmad, Fadhil Abdillah Aris, Ayub Pratama Atima, Karina Febriani K. Dachi, Mirdayanti Damogalad, Yustina Deden, Mokoagow Deden Dewi Rahmawaty Isa Ente, Amargio Saputro Hemeto, Fasya Ramadhan Hisyam, Febrina Intan Noviantari Manyoe Kodung, Mohamad Ashar maloho, chisilia Mane, Moh Sajandri Mokodompit, I Gede Wahyu Mooduto, Tirsya Aygina Jaenet Muarif, Fahmy Idris Muh. Kasim Muhammad Kasim Noviar Akase Nurahman, Ikwan Pade, Dwi Ziana Jamila Permana, Aang Panji Ponto, Nadia Fransisca Puhi, Rian Putra, Moh. Bahrul Zaman Momidu Rahman, Adisty S. Safari, Indriani Sri Maryati Suaib, Angki Sugianti, Komang Sumarjis, Suly Ayu Sunarty Suly Eraku Suwandi, Joga Bagaswicaksono Tangkudung, Latifa umar, Risky Usman, Fatma T. Yani, Lisra Yayu Indriati Arifin Yenayo, Hafipa Yuriadi, Bilal Aditya