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Ayub Pratama Aris
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Geology Engineering Study Program, Universitas Negeri Gorontalo Prof. Dr. Ing. B. J. Habibie Street, Moutong, Tilongkabila, Bone Bolango 96119, Gorontalo, Indonesia
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JAGE
Published by Universitas Negeri Gorontalo
ISSN : 2964478X     EISSN : 29644534     DOI : https://doi.org/10.34312
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science
Journal of Applied Geoscience and Engineering (JAGE, P-ISSN: 2964-478X, E-ISSN: 2964-4534) is a peer-reviewed journal published by Geology Engineering Study Program, Universitas Negeri Gorontalo. JAGE provides open access to the principle that research published in this journal is freely available to the public to support the exchange of knowledge globally. JAGE published two-issue articles per year namely June and December. JAGE provides a place for academics, researchers, and practitioners to publish scientific articles. Each text sent to JAGE editor is reviewed by peer review. Starting from Vol. 1 No. 1 (June 2022), all manuscripts sent to the JAGE editor are accepted in Bahasa Indonesia or English. The scope of the articles listed in this journal relates to various topics, including education for Geological, Geoscience and Engineering. This journal is available in print and online and highly respects the ethics of publication and avoids all types of plagiarism. JAGE has been identified in crossref with a DOI number: 10.34312.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Teknik Geologi dan Geologi Teknik
Articles 10 Documents
 1 
Search results for , issue "Vol 4, No 2 : Desember 2025" : 10 Documents clear
Pengaruh Lingkungan Pengendapan terhadap Sebaran dan Kualitas Lapisan Batubara di Desa Kalasari, Papua Barat Daya Sinaga, Yosiyan Daniel; Permana, Aang Panji; Kasim, Muh
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.37129

Abstract

This study was conducted in Kalasari Village, Salawati District, Sorong Regency, Southwest Papua, within the Contract of Work area of PT Megapura Prima Industri. The research integrated field geological observations, detailed lithological and outcrop descriptions, drill core logging and correlation, and laboratory proximate analysis to characterize coal occurrence and quality. Stratigraphic analysis indicates that the study area is composed of two principal lithological units: the Sele Claystone Unit, deposited in backswamp to swamp environments, and the Sele Sandstone Unit, representing floodplain facies. Borehole correlation reveals coal seam thicknesses ranging from 0.3 to 1.82 m, with a general westward thickening trend, reflecting microtopographic variation and peat stability during deposition. The roof and floor of the coal seams are dominantly claystone or clayey sandstone, indicating overbank flood sedimentation that facilitated peat preservation. Proximate analysis shows that the coal is low rank, characterized by calorific values of 3220–3619 kcal/kg (adb), low ash content (1.7–3.8%), very low sulfur content (0.2%), and high total moisture (32–37%). These characteristics are typical of freshwater swamp–backswamp facies within an upper delta plain depositional environment with limited clastic input. The relatively thin overburden further constrained coalification, resulting in low calorific values. Overall, the results demonstrate that coal distribution, seam thickness, and coal quality in the study area are strongly controlled by upper delta plain depositional dynamics, particularly swamp and backswamp facies that governed peat accumulation and preservation.
Kajian Geologi Teknik dan Potensi Longsor pada Segmen IG1 dan IG2 Akses Tambang di Kabupaten Pohuwato, Gorontalo Ginting, Immanuel; Permana, Aang Panji; Zainuri, Ahmad
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.37128

Abstract

This study examines the geological conditions and slope stability of segments IG1 and IG2 in the Magazine access area of the Pani Gold Project, Pohuwato Regency. The research methods include geological mapping, scanline analysis, kinematic evaluation using stereonet, and Rock Mass Rating (RMR) and Slope Mass Rating (SMR) assessments. Segment IG1 consists of volcanic breccia with an RMR value of 57 (Class III, Fair Rock) and an SMR value of 45–50 (Poor), indicating wedge failure potential. Segment IG2 is dominated by dacite with an RMR of 60 (Class III, Fair Rock) and an SMR of 55–60 (Fair–Good), showing a tendency toward toppling failure. The results suggest that IG2 is relatively more stable than IG1, although localized failures may occur. Technical recommendations include slope reinforcement with rock bolts, shotcrete, and drainage systems to minimize slope failure risks.
Geologi dan Analisis Pencemaran Logam Berat Menggunakan Indeks Geoakumulasi di Daerah Tulabolo Timur, Bone Bolango Sahido, Nurmasita Dewi; Arifin, Yayu Indriati; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.37127

Abstract

The purpose this study is to assess geological conditions and levels of heavy metal pollution arround the artisanal gold mining area in East Tulabolo, East Suwawa District, Bone Bolango Regency, to understand its impact on the environment. This study includes geomorphological, stratighraphic, and geological structural analyses as well as measurements of heavy metal content such as arsenic (As), mercury (Hg), and lead (Pb) in river sediments. The metods used include field surveys, sampling, and laboratory analysis with ICP-MS. While pollution levels were analyzed using the Geoaccumulation Index (Igeo). The result showed that heavy metal concentrations exceeded safe limits, with the highest accumulation found in tailling sediments.. The Igeo analysis indicated a mild level of pollution due to the high concentration levels in the control area. This study emphasizes the need for sustainable waste management and ongoing contamination monitoring, including biota and groundwater sampling, to indetify risks of bioaccumulation and movement of contaminants into the wider eccosystem.
Identifikasi Bidang Gelincir Longsor Berdasarkan Metode Electrical Resistivity Tomography (ERT) di Desa Tolango, Kabupaten Gorontalo Utara Hiola, Tya Ivanka; Zainuri, Ahmad; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.32373

Abstract

This study aims to analyze the geological conditions and landslide potential in Tolango Village, Anggrek District, North Gorontalo Regency. The research area is predominantly composed of two main lithological units: andesite and alluvial deposits. Field observations, petrographic analysis, and structural measurements were carried out to determine the geological characteristics. In addition, geoelectrical surveys using the Electrical Resistivity Tomography (ERT) method were conducted to interpret subsurface conditions. The results show that the upper layer (1.25–3.75 m) consists of clayey soil with low resistivity values (8.10–100 Ωm), while the lower layer (up to 15.9 m) is composed of andesite bedrock with higher resistivity values (101–7,600 Ωm). A potential slip surface was identified at the contact between these two layers, which becomes critical when water infiltration increases during the rainy season. Structural features such as thrust faults and joints were also observed, indicating tectonic influence on slope instability. Overall, the integration of geological and geophysical data confirms that the area is highly susceptible to landslides, particularly on steep slopes with impermeable clay-rich layers overlying resistant bedrock.
Identifikasi Akuifer Air Tanah dengan Vertical Electrical Sounding (VES) Berdasarkan Kondisi Geologi di Daerah Bulalo, Gorontalo Utara Lasahido, Moh. Syach L.; Zainuri, Ahmad; Akase, Noviar
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.32199

Abstract

This study aims to identify and understand the geological characteristics and groundwater aquifer potential in the study area. The research methods employed include surface geological mapping, borehole data interpretation, as well as lithology and structural geology analysis. The results indicate that the geological formations in the study area are predominantly composed of sedimentary and volcanic rocks with significant lithological variations, such as sandstone, claystone, and tuff. The identified geological structures, including folds and faults, influence the distribution of aquifers and groundwater flow. Aquifers in the study area are categorized into unconfined and confined aquifers, with the highest potential found in sandstone layers due to their high porosity and permeability. These findings are expected to serve as an important foundation for the sustainable management of groundwater resources in the study area.
Karakteristik Geomorfologi dan Proses Pembentukannya di Daerah Tilangobula, Kabupaten Bone Bolango Slamet, Slamet; Arifin, Yayu Indriati; Kasim, Muh
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.36988

Abstract

This study examines the geomorphological characteristics of Tilangobula Village in East Suwawa District, Bone Bolango Regency, Gorontalo Province, Indonesia, located within the tectonically active Limboto Zone. Through integrated field observations and geospatial analysis—including topographic maps, slope gradients, and drainage patterns—the research identifies structural hills as the dominant geomorphological unit, covering 2.356 km² with elevations ranging from 200 to 600 meters above sea level. The area exhibits two distinct drainage patterns (parallel and trellis) and variable slope gradients (2–140%). Morphogenetic analysis reveals the landscape has been shaped by both endogenic processes (notably oblique faulting, specifically a Normal Left Slip Fault) and exogenic factors (erosion of diorite and quartz diorite intrusions). The lithology comprises intrusive igneous rocks (diorite and quartz diorite), with structural features such as shear joints and faults further influencing the terrain. The findings highlight the interplay between tectonic forces and surface processes in forming the region’s unique structural hills, characterized by V-shaped valleys and steep slopes. This study provides critical baseline data for understanding understudied tectonic landscapes in eastern Indonesia and supports applications in regional geological research and land-use planning. The results underscore the importance of integrating morphographic, morphometric, and morphogenetic analyses to decipher complex geomorphological evolution in tectonically active regions.
Analisis Geomorfologi dan Klasifikasi Bentuklahan Daerah Olele, Kecamatan Kabila Bone, Kabupaten Bone Bolango Abduh, Jihad Ramadhan; Arifin, Yayu Indriati; Ninasafitri, Ninasafitri
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.36987

Abstract

The study area exhibits diverse geological conditions, one of which is reflected in its geomorphological characteristics that are important to investigate. Olele is located within the southern mountainous zone of Gorontalo and is characterized by hilly to steep terrain. This study aims to identify and classify landform units based on geomorphological analysis. The research method involved field-based geological surveys, including direct geomorphological observations, lithological identification, and geomorphological mapping supported by secondary data analysis. The results show that the study area consists of three geomorphological landform units, namely alluvial plains covering an area of 17.84 ha, reef terrace plains with an area of 17.43 ha, and fault zone hills occupying 1,072.23 ha. The morphography of the area ranges from lowlands to high hills with elevations between 0 and 960 meters above sea level. Slope gradients vary from flat to very steep. Morphogenetic analysis indicates that endogenous processes, particularly tectonic activity, play a significant role in shaping the landscape, as evidenced by the presence of joint structures. Lithologically, the area is composed of unconsolidated alluvial deposits, reef limestone, and volcanic rocks that have undergone weathering and erosion. These findings demonstrate that the geomorphology of the Olele area is strongly controlled by tectonic processes, lithological variation, and surface processes, which together contribute to the development of distinct landform units.
Identifikasi Lapisan Akuifer Berdasarkan Survei Geolistrik Konfigurasi Schlumberger di Desa Botumoputi, Kabupaten Gorontalo Sahidah, Aril A.H; Zainuri, Ahmad; Akase, Noviar
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.36986

Abstract

A continuously growing population day by day means that the need for water is also increasing.The majority of the Botumoputi Village community uses groundwater every day through dug wells and drilled wells for their daily needs. The purpose of the study was to determine the subsurface geological conditions that can be used as a reference in estimating the location, thickness, depth and type of aquifer. The method used is the resistivity geoelectric method using the Schlumberger configuration. Measurements were carried out at 3 points with a span length of 300 m each. Data processing and interpretation using software IPI2win. The results of processing Schlumberger configuration geoelectric data and subsurface geological interpretation to identify the type of groundwater aquifer in the Botumoputi area show 3 layers of rock types based on their resistivity values, namely top soil, clay and sand. It is estimated that the potential for groundwater is found in TS1 and TS2 where the lithology that acts as an aquifer is sandstone with a resistivity value of 16.8 - 42.7 ohms with a depth ranging from 3.93 - 17.2 m with a thickness of 8.88 - 13.27 m and is interpreted as a shallow aquifer.
Geologi dan Rezim Tektonik terhadap Evolusi Lengan Utara Sulawesi: Studi Kasus Sungai Alo, Gorontalo Biya, Naafi' Syahna Firdhaus; Permana, Aang Panji; Kasim, Muhammad
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.31881

Abstract

This study investigates the tectonic control on the development of geological structures along the Alo River in Tibawa District, Gorontalo Regency, Gorontalo Province. The research was conducted through geological mapping, structural analysis, and petrographic examination of basalt rock samples. The area is characterized by two major geomorphological units: structural hills and floodplains. Stratigraphically, it comprises basalt units—correlated with the Bilungala Volcanic Formation—and alluvial deposits. Structural analysis reveals two orders of joint structures with dominant orientations of NW–SE and N–S, interpreted as the result of multiple tectonic episodes. Petrographic analysis shows porphyritic and intergranular textures with plagioclase, pyroxene, and minor olivine as dominant minerals. Tectonic stress analysis using Win_Tensor software indicates transtensional regimes characterized by normal faulting and strike-slip faults with extensional components. These structures are associated with tectonic evolution in the North Arm of Sulawesi, transitioning from compressional to oblique-extensional settings during the Late Miocene–Pliocene due to changes in subduction geometry and microblock interactions. This ongoing tectonic activity has implications for regional geological mapping and natural resource management in Gorontalo.
Identifikasi Sebaran Kadar Ni Menggunakan Metode Hand Auger Desa Molino, Kabupaten Morowali Utara, Sulawesi Tengah Al-Fayedh, Moh; Kasim, Muh; Hutagalung, Ronal
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.33756

Abstract

One of the regions in Indonesia with potential laterite nickel deposits is North Morowali, where the MTosu Formation, composed of Cretaceous-aged ultramafic rocks, is found. This study aims to identify the distribution of laterite and nickel content using data from Hand Auger analysis. The methods used include field observations, Hand Auger sampling, and geochemical analysis through X-Ray Fluorescence (XRF). The research area features two main geomorphological units: structural steep hills and structural gentle hills. Its stratigraphy consists of lherzolite and serpentinite units. The dominant geological structure trends northeast-southwest, following a linear pattern. Laterite distribution in the area is controlled by topography. Nickel content is categorized into three zones: high, medium, and low. XRF analysis of Hand Auger samples indicates that high nickel concentrations are located in the southwest and extend northeast across the study area.

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