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All Journal Jurnal Ilmu Lingkungan Jurnal Pendidikan Geografi Undiksha Tunas Geografi Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Bioeksperimen: Jurnal Penelitian Biologi Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Journal of Applied Geospatial Information Jurnal Geomine Jurnal Penelitian Pendidikan IPA (JPPIPA) UNM Geographic Journal EnviroScienteae Jukung (Jurnal Teknik Lingkungan) JRST (Jurnal Riset Sains dan Teknologi) Jurnal GEOSAPTA Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jambura Geoscience Review J SIG (Jurnal Sains Informasi Geografi) CERMIN: Jurnal Penelitian Jurnal Graha Pengabdian Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Inovasi Pengabdian Masyarakat Pendidikan JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Geosfera: Jurnal Penelitian Geografi JAGE Journal of Community Services on Multidisciplinary Sciences Jurnal Riset dan Pengabdian Interdisipliner
Permana, Aang Panji
Universitas Negeri Gorontalo
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Analisis Kedalaman Laut Purba Batu Gamping Gorontalo Berdasarkan Kandungan Fosil Foraminifera Bentonik Permana, Aang Panji; Eraku, Sunarty Suly
Bioeksperimen: Jurnal Penelitian Biologi Vol 6, No 1: March 2020
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v6i1.10428

Abstract

Analysis of Microfaces and Depositional Environment of Limestone in North Isimu Area, Gorontaolo Regency Robot, Ladya Cheryl; Permana, Aang Panji; Akase, Noviar
Tunas Geografi Vol. 13 No. 1 (2024): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v13i1.41981

Abstract

The geological conditions in the northern part of Lake Limboto vary greatly from the constituent rocks to the working geological structures. Lithological variations consist of volcanic and plutonic rocks to limestone. The area where limestone is widely distributed is in the North Isimu Region, Gorontalo Regency. This research aims to analyze the geological conditions, microfacies and depositional environment of limestone in the North Isimu Region, Gorontalo Regency. The research methods used to achieve this goal consist of field surveys and petrographic laboratory analysis. Field surveys include taking rock samples, taking coordinate points, taking elevation, geomorphological observations, observing geological structures and taking field documentation. Meanwhile, petrographic analysis of rocks uses a polarizing microscope as a tool to follow up megascopic observations. Observation of rock incisions under a microscope using cross nicol and parallel nicol. Based on the results and discussion, it shows that the geomorphology of the research area includes structural hills with sub-parallel river flow patterns. The geological structure of the research area is a descending fault trending northwest-southeast. The research area is divided into four facies, namely foraminifera wackestone, crystalline limestone, foraminifera algae packstone and coralline floatstone. Standard microfacies (SMF) in the North Isimu Region consists of three SMF namely SMF-3, SMF-4 and SMF-5 with two limestone depositional environmental zones namely toe of slope (FZ-3) and slope (FZ-4). FZ-3 was deposited at the end of the foreslope zone and FZ-4 was deposited seaward of the foreslope from the edge of the carbonate debris platform.Keywords: Limestone; Microfacies; Depositional Environment; North Isimu
Petrogenesa Batuan Beku Daerah Garapia Kecamatan Monano Kabupaten Gorontalo Utara Provinsi Gorontalo Karim, Susilawati; Permana, Aang Panji; Ninasafitri, Ninasafitri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v2i4.35179

Abstract

This study aims to examine the petrogenesis of igneous rocks exposed in the Garapia area, Anggrek District, North Gorontalo Regency, in order to identify their distribution, geochemical characteristics, and tectonic setting. The research methods included field survey, sample collection,petrographic analysis, and laboratory analysis using X-Ray Fluorescence (XRF), followed by CIPW normative calculation and construction of discrimination diagrams (QAPF, AFM, Harker). Petrographic analysis shows that the rocks are dominated by plagioclase (60–65%), quartz (10–15%), and pyroxene (20–25%), with minor accessory minerals. Mineral normalization places sample RK-01 in the basaltic andesite group, while sample RK-12 is classified as andesite. Normative CIPW analysis indicates the presence of normative quartz and labradorite as the dominant plagioclase, reflecting silica-oversaturated characteristics. Plotting on the AFM diagram (Irvine Baragar, 1971) places the samples within the tholeiitic to calc-alkaline series. Overall, the results confirm that the igneous rocks in the Garapia area were formed in a volcanic arc magmatic environment, with magma evolution controlled by fractional crystallization of plagioclase and pyroxene, as well as magma differentiation processes that produced compositional variations from basalt to andesite.
Analisis Zona Rawan Longsor Desa Molotabu, Kecamatan Kabila Bone, Kabupaten BoneBolango, Provinsi Gorontalo Sutarto, Tiara Anggraeni Puspaningrum; Permana, Aang Panji; Hutagalung, Ronal
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i1.35786

Abstract

This study was conducted in Molotabu Village, Kabila Bone Subdistrict, BoneBolango Regency with the aim of analyzing landslide-prone zones. This study included Geographic Information System (GIS) analysis using ArcGIS for the assessment and determination of landslide hazard classes and the determination of the geological conditions of the study area, including geomorphology, stratigraphy, and geological structure. The methods used in this study included field surveys and the assessment and weighing of parameters that influence landslides. These parameters included lithology, rainfall, slope, land cover, and linear density. The lithology of the study area consisted of two rock units, namely the Dacite Rock Unit and the Tuff Rock Unit. Based on the results of the analysis of the landslide vulnerability class of Molotabu Village using the assessment and weighing method, three landslide vulnerability classes were obtained, namely a low landslide vulnerability class with an area of 0.11 km² and a relatively flat slope (7-15%), a medium vulnerability class with an area of 2.24 (Km)² (15-30%), and high landslide susceptibility class with an area of 0.84 〖Km〗² (30-70%).
Analisis tipe gerakan tanah pada lereng Bendungan Bulango Ulu Kabupaten Bone Bolango menggunakan metode kinematika Moehammad Jasim Agi Saputra; Aang Panji Permana; Noviar Akase
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.7343.244-249

Abstract

The Bulango Ulu Dam is one of the strategic projects built in Tuloa Village, North Bulango District, Bone Bolango Regency, Gorontalo Province. In building a dam, geological analysis and slope stability are very important to avoid the risk of collapse or structural failure. This research aims to conduct geological analysis and slope stability at the Bulango Ulu Dam using kinematics methods. The kinematics method is used to determine the type of ground movement on the dam slope and identify the probability value of failure. Geological data related to lithology, petrography, geological structure and geomorphology are collected through direct observations and in the laboratory. Then, this data is used to determine geological conditions, geological structure and geomorphology which are then interpreted in relation to slope stability. The research results show that the geomorphological units are alluvial plains and low structural hills. The lithology that makes up the slopes of the Bulango Ulu Dam is composed of alluvial units and granodiorite units. The geological structure that develops is in the form of tensile joints in a general direction east-west (E-W) and cut by tension joints in a general direction north-south (N-S). The type and probability of ground movement that occurs based on segment, namely on segment A-B slopes in the form of Wedges (21.65%), segment B-C slopes in the form of Wedges (12.27%), segment E-F slopes in the form of Wedges (15.12%), and segment slopes G-H is a Wedge (21.8%). Based on the results of kinematic and boundary equilibrium analysis, the slopes on the Bulango Ulu dam are in the stable category. This research recommends that there is no need to make changes to the geometry of the dam slope because the slope is in a stable condition.
Analysis of Limestone Characteristics on the South Coast of Gorontalo Based on Specific Gravity and Water Absorption Tests Aang Panji Permana; Ronal Hutagalung; Sunarty Suly Eraku; Dewi Rahmawaty Isa
Jurnal Penelitian Pendidikan IPA Vol 10 No 11 (2024): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i11.7368

Abstract

The southern coast of Gorontalo has complex geological conditions. This is indicated by the strong tectonic influence with the uplift of the Quaternary limestone at high elevations. The distribution of this limestone is very unique because it is located between the dominance of volcanic and plutonic rocks that form the northern arm of Sulawesi. The purpose of this study was to focus on the characteristics of limestone on the south coast of Gorontalo based on specific gravity and water absorption tests. The research methods used to achieve these objectives consist of field geological surveys and laboratory analysis of the specific gravity and water absorption tests of coarse aggregate. The field geological survey consisted of taking limestone samples for laboratory analysis and petrological analysis. The results showed that the limestone on the southern coast of Gorontalo is dominated by the coralline floatstone facies. Characteristics of the coralline floatstone facies based on laboratory analysis showed an average specific gravity of 1.74 and an apparent specific gravity of 2.04. While the average percentage of limestone water absorption is 8.41%.
Studi Geologi Daerah Bukit Harapan Kecamatan Bua Kabupaten Luwu Provinsi Sulawesi selatan Abdul Rizal Muladi; Aang Panji Permana; Ninasafitri Ninasafitri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i2.39001

Abstract

This study aims to examine the geological conditions of the Bukit Harapan area, Bua District, Luwu Regency, South Sulawesi. The study focuses on geomorphological, stratigraphic, and geological structural aspects based on field mapping data. The methods used include direct observation, geomorphological analysis, and interpretation of field geological data. The results indicate that the study area is composed of denudational hill geomorphological units and alluvial plains. Stratigraphically, the area consists of a gabbro unit as the oldest rock unit and alluvial deposits as the youngest unit. The geological structure developed in the area is represented by joints (tension joints), reflecting the influence of regional stress. These geological conditions demonstrate the relationship between lithology, geomorphic processes, and geological structures in shaping the landscape of the study area.
Analisis Porositas dan Permeabilitas Batupasir Sebagai Potensi Reservoir Airtanah Daerah Tudi dan Sekitarnya Irmawati Irmawati; Aang Panji Permana; Ahmad Zainuri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i3.39443

Abstract

Sandstone is a mixture or collection of rock fragments and mineral grains resulting from the natural erosion of various rock types. Changes and the presence of mineral grains in sandstone are strongly controlled by sedimentation processes during deposition, such as weathering in the source area, increasing distance and transport from the source area to the sedimentation environment, and diagenesis. This study aims to analyze the potential of sandstone in the Tudi area and its surroundings as a groundwater reservoir based on porosity and permeability analysis. This study used field geological mapping, porosity analysis, and permeability analysis. The sandstone units in the study area have varying porosities and permeabilities. Sample 15 BP has poor porosity, while sample 2 BP has good porosity. However, both samples have high permeability, indicating rapid water flow through them. The potential of sandstone in the study area as a reservoir rock in both samples is very good, as rapid fluid flow can accelerate the extraction or utilization process.
Kontrol Struktur Geologi Terhadap Pola Mineralisasi Di Desa Hulawa, Pohuwato, Provinsi Gorontalo Diwa Ahmad Luly; Aang Panji Permana; Noviar Akase; Muhammad Kasim; Ronal Hutagalung; Agustinus Sosang
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.v5i1.38955

Abstract

This study was conducted in Hulawa Village, Buntulia District, Pohuwato Regency, Gorontalo Province, located within the North Arm of Sulawesi, an area known for its epithermal mineralization potential. The research aims to analyze the relationship between geological structures and mineralization patterns. The methodology involved geological surface mapping, structural measurements, lineament analysis, and stereographic interpretation using Dips 7.0 and WinTensor software. Geomorphologically, the study area consists of fault-controlled mountainous and hilly terrains. The identified lithologies include Lapilli Tuff, Porphyritic Rhyodacite, Rhyodacite Breccia, Dacite, Biotite Dacite, and Diorite. Structural analysis indicates that the area was affected by a principal compressional stress (σ1) trending Northwest–Southeast (NW–SE), which generated conjugate fracture systems oriented NW–SE and Northeast–Southwest (NE–SW). These structures acted as conduits for hydrothermal fluid migration. Two dominant vein orientations were identified: NE–SW trending oxidized quartz veins in the northeastern area and NW–SE trending sulfide-rich stockwork veins containing pyrite and chalcopyrite in the southwestern area. Geochemical analysis shows that Cu, As, and Mo anomalies are spatially associated with structural zones, indicating strong structural control on hydrothermal fluid circulation and mineral deposition. Overall, mineralization in the Hulawa area is interpreted to be controlled by conjugate fracture systems and strike-slip fault structures
Studi Tipe Endapan Nikel Laterit Pada Kecamatan Bahodopi, Kabupaten Morowali, Sulawesi Tengah Anisa Sawitri B. Bania; Aang Panji Permana; Ronal Hutagalung
Geosfera: Jurnal Penelitian Geografi Vol 5, No 1 (2026): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v5i1.39070

Abstract

Nickel laterite deposits represent the primary source of nickel formed through intensive weathering of ultramafic rocks in tropical regions. Deposit characterization is essential for understanding nickel enrichment mechanisms and supporting more effective exploration strategies. This study aims to characterize and classify the nickel laterite deposit type within the IUP area of PT Bumi Kalaena Persada, Bahodopi District, Morowali Regency, Central Sulawesi, Indonesia. The research employed geomorphological analysis, surface geological observations, drilling data interpretation, geochemical analysis using X-Ray Fluorescence (XRF), and petrographic examination. Deposit classification was based on Ni grade distribution, mineralogical characteristics, groundwater table position, and nickel accumulation mechanisms. The results indicate that the laterite profile developed over serpentinized lherzolite belonging to the Ultramafic Complex. Nickel enrichment is predominantly concentrated within the saprolite zone, with grades ranging from 1.24% to 2.38%, accompanied by increasing MgO and SiO₂ contents and decreasing Fe concentrations. Mineralogical analysis identified hydrous Mg–Ni silicate minerals, including garnierite, talc, and serpentine, as the principal nickel-bearing phases. The groundwater table is interpreted to occur within the limonite–saprolite transition zone, where it plays a significant role in controlling nickel mobility, precipitation, and accumulation. The integration of geochemical, mineralogical, hydrogeological, and nickel accumulation characteristics indicates that the deposit is classified as a hydrous silicate type, with the saprolite zone representing the principal horizon of nickel enrichment.
Co-Authors Abdul Rizal Muladi Agustinus Sosang Ahmad Firli Aprilio Mamonto Ahmad Zainuri Ahmad Zainuri Ahmad, Artina Ahmad, Fadhil Abdillah Aisyah Alya H Panai Alfi Ilda Sasmida Anisa Sawitri B. Bania Antoni, Isan Aris, Ayub Pratama Asmoro Widagdo Asmoro, Yoki Dwi Atima, Karina Febriani K. Damogalad, Yustina Dewi Rahmawaty Isa Dicky Rahmansyah S Tone Diwa Ahmad Luly Diwa Ahmad Luly Djamal Adi Nugroho Uno Evi Hulukati Fajri Kurniawan Mamonto Fandji Marfian Fikri Boften Ghaneswara, Oka Arin Hendra Hendra Hidayansya, Taufik Hisbullah Hisbullah Hisyam, Febrina Hutagalung, Ronal I Nengah Sandi Immanuel Ginting Intan Noviantari Manyoe Irmawati Irmawati Ismail, Zenza Harnold Ivan Taslim Karim, Susilawati Kasim, Muhammad Kiwo, Anince Kodung, Mohamad Ashar Kodung, Mohamad Ashar Fitrayadi Ramdan S. Lahay, Muamart Gimnastiar Lahmuda, Zulsiasana Luly, Diwa Ahmad M Imran, A Mahmud, Fitria Mahmud, Vani Akbarani Y. Mane, Moh Sajandri Masay, Muhammad Syawal Ardiansyah Masruroh Masruroh Masruroh Mbuinga, Ansyar Moch Rio Pambudi Moehammad Jasim Agi Saputra Moh. Karmin Baruadi Mooduto, Tirsya Aygina Jaenet Muh Kasim Muh Nasrullah Al Fauzan Muh. Kasim Muhammad Kasim Muhammad Kasim Muhammad Kasim, Muhammad Kasim Muhtar Muhtar Naafi' Syahna Firdhaus Biya Natua, Moh Rizky A R Ninasafitri Ninasafitri Ninasafitri, Ninasafitri Ninsafitri Novariani Payuyu Noviar Akase Nugrahi, Putri Inayah Nurdin Mohamad Pambudi, Moch Rio Panai, Aisyah Alya Humayrah Panai, Irdiansyah Paputungan, Qurota Ayuni Paputungan, Ulfanna Polontalo, Moh. Afandi Putranto, Faried Ardian Ravit Tahuku Rini Rahmatia S Robot, Ladya Cheryl Ronal Hutagalung Ruru, Susanti Safari, Indriani Saida, Muhammad Syaifullah Sari, Ni Luh Ananda Pusvita Simbala, Susilo Bintang Sosang, Agustinus Sri Widodo Suaib, Angki Sunarty Suly Eraku Suratinoyo, Mohamad Sunandyo Sutarto, Tiara Anggraeni Puspaningrum Tahaku, Ravit Triyani, Mayang Diva Tumelap, Irka Priwanda Usman, Fatma T. Wangi, Akrein Vender Yayu Indriati Arifin Yosiyan Daniel Sinaga