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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
Prodi Teknik Geologi Unversitas Negeri Gorontalo
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Analysis of Limestone Characteristics on the South Coast of Gorontalo Based on Specific Gravity and Water Absorption Tests Permana, Aang Panji; Hutagalung, Ronal; Eraku, Sunarty Suly; Isa, Dewi Rahmawaty
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%.
ANALISIS BATUAN SEDIMEN CAMPURAN KARBONAT - SILISIKLASTIK DAERAH BATULAYAR KABUPATEN GORONTALO Hisbullah, Hisbullah; Permana, Aang Panji; Kasim, Muhammad
CERMIN: Jurnal Penelitian Vol 8 No 2 (2024): AGUSTUS - DESEMBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/cermin_unars.v8i2.3606

Abstract

Pulau Sulawesi yang terletak di bagian tengah Kepulauan Indonesia menyerupai huruf K. Bentuk ini dipengaruhi oleh pergerakan tiga lempeng utama dunia. Berdasarkan wilayah fisiografinya, Pulau Sulawesi terbagi menjadi Lengan Selatan, Lengan Tengah, Lengan Utara, Lengan Timur, Tenggara Lengan dan Leher. Gorontalo yang merupakan bagian dari Lengan Utara Sulawesi memiliki kondisi geologi yang sangat kompleks akibat hal tersebut pengaruh tektonik. Lokasi penelitian berada di Desa Batulayar Kecamatan Bongomeme Kabupaten Gorontalo. Metode yang digunakan pada penelitian ini yaitu survei geologi lapangan dan analisis laboratorium . Survei geologi lapangan untuk mengetahui kondisi geologi daerah penelitian berupa batuan penyusun, hubungan stratigrafi, faktor yang membentuk morfologi dan struktur geologi. Analisis laboratorium berupa analisis petrografi. Hasil dan pembahasan dari penelitian ini satuan geomorfologi lokasi penelitian dibagi menjadi dua satuan geomorfologi yaitu satuan perbukitan denudasional dan dataran alluvial. Stratigrafi daerah penelitian terdiri dari dua satuan litologi yakni satuan batulanau karbonatan dan batupasir. Berdasarkan hasil pengamatan sayatan tipis pada sampel batulanau karbonatan, satuan ini merupakan batuan sedimen campuran silisiklastik-karbonat. Jumlah komponen penyusun batuan dalam bentuk persen mendapatkan nama batuan yaitu sandy micrite.
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 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 244-249
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.
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 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.
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%).
Co-Authors Ahmad Zainuri Ahmad, Artina Ahmad, Fadhil Abdillah Aisyah Alya H Panai Antoni, Isan Aris, Ayub Pratama Asmoro Widagdo Asmoro, Yoki Dwi Atima, Karina Febriani K. Biya, Naafi' Syahna Firdhaus Damogalad, Yustina Dewi Rahmawaty Isa Diwa Ahmad Luly Djamal Adi Nugroho Uno Djamal Adi Nugroho Uno Evi Hulukati Fajri Kurniawan Mamonto Fandji Marfian Fikri Boften Ghaneswara, Oka Arin Ginting, Immanuel Hendra Hendra Hidayansya, Taufik Hisbullah Hisbullah Hisyam, Febrina Hutagalung, Ronal I Nengah Sandi Intan Noviantari Manyoe Ismail, Zenza Harnold Ivan Taslim Karim, Susilawati 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 Mohamad Karmin Baruadi Mooduto, Tirsya Aygina Jaenet Muh Kasim Muh Nasrullah Al Fauzan Muh. Kasim Muhammad Kasim Muhammad Kasim Muhammad Kasim, Muhammad Kasim Muhtar Muhtar Natua, Moh Rizky A R 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 Sinaga, Yosiyan Daniel 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