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All Journal JPG (Jurnal Pendidikan Geografi) Jurnal Fisika FLUX JRST (Jurnal Riset Sains dan Teknologi) Jambura Geoscience Review Aksara: Jurnal Ilmu Pendidikan Nonformal Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Sustainability: Theory, Practice and Policy/STPP Journal of Earth Energy Science, Engineering, and Technology Jurnal Azimut Geosfera: Jurnal Penelitian Geografi JAGE Jurnal Cendekia Ilmiah Jurnal Ekonomi, Manajemen, Akuntansi Jurnal Riset dan Pengabdian Interdisipliner Bionatural
Ahmad Zainuri
Department Of Earth Science And Technology, Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry 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 Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : jage

 1 
Karakteristik Endapan Nikel Laterit pada Zona Limonit dan Zona Saprolit Kecamatan Wolo, Kabupaten Kolaka, Sulawesi Tenggara Wa Ode Fitria Ramadani; Yayu Indriati Arifin; Ahmad Zainuri
Journal of Applied Geoscience and Engineering Vol 5, No 1 : Juni 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v5i1.38920

Abstract

This study aims to determine the lithological characteristics, texture, and elemental composition of lateritic nickel deposits in Block X, Wolo District, Kolaka Regency, Southeast Sulawesi Province. The analysis focuses on Ni, Fe, MgO, and SiO₂ contents based on geochemical exploration data obtained from PT Ceria Nugraha Indotama. Data processing was carried out through composite data analysis, descriptive statistical analysis, and visualization using histograms, scatter plots, and ternary diagrams. The results show that the lateritic nickel deposit in the study area can be divided into three main zones: limonite layer, saprolite layer, and bedrock. The limonite layer is characterized by high Fe content (28.65–40.33%) and a clayey texture, while the saprolite layer exhibits higher concentrations of Ni (0.08–2.10%) and MgO (10.29–32.20%) with fine to coarse sandy texture. Intensive laterization processes under humid tropical conditions play a crucial role in the formation, differentiation, and enrichment of lateritic nickel deposits in this lokasi.
Identifikasi Lapisan Akuifer Berdasarkan Survei Geolistrik Konfigurasi Schlumberger di Desa Botumoputi, Kabupaten Gorontalo Aril A.H Sahidah; Ahmad Zainuri; Noviar Akase
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.
Identifikasi Akuifer Air Tanah dengan Vertical Electrical Sounding (VES) Berdasarkan Kondisi Geologi di Daerah Bulalo, Gorontalo Utara Moh. Syach L. Lasahido; Ahmad Zainuri; Noviar Akase
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.
Identifikasi Bidang Gelincir Longsor Berdasarkan Metode Electrical Resistivity Tomography (ERT) di Desa Tolango, Kabupaten Gorontalo Utara Tya Ivanka Hiola; Ahmad Zainuri; Ronal Hutagalung
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.
Kajian Geologi Teknik dan Potensi Longsor pada Segmen IG1 dan IG2 Akses Tambang di Kabupaten Pohuwato, Gorontalo Immanuel Ginting; Aang Panji Permana; Ahmad Zainuri
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.
Co-Authors Abdul Haris PanaI Ana Saputri R Yahya Aril A.H Sahidah Cindi Claudia Male Daud Yusuf Dela Pusfika Sari Napu Destira Handayani Eksan Dewi Wahyuni K. Baderan Farid SM Fitryane Lihawa Hasim Heru Z Thalib Ibrahim Sota Immanuel Ginting Intan Noviantari Manyoe Irmawati Irmawati Iswan Dunggio Jingga Hamdata Kasim, Muhammad Marini Susanti Hamidun Misnawaty Wantogia Moh. Syach L. Lasahido Mohamad Riski Rahman Muh Hasym As'ari Muh Kasim Naafi Syahna Firdhaus Biya Noviar Akase Nurdin Mohamad Nurfaika Permana, Aang Panji Pratiansyah Karim Rahmat Jaya Lahay Ramli Utina Rayhandi Yahya Usman Rizky Hizrah Wumu Ronal Hutagalung Siti Chusnul Chatimah Nurrahmah Suci Badriani Ohi Sukirman Rahim Sutriyono sutriyono Syam S. Kumaji Tya Ivanka Hiola Wa Ode Faridawaty Wa Ode Fitria Ramadani Windayani Ika Yunitasari Yayu Indriati Arifin