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All Journal Majalah Forum Teknik UGM Bulletin of Scientific Contribution : Geology Jurnal Ilmiah MTG Journal of Degraded and Mining Lands Management Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Sains PROMINE Jambura Geoscience Review Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) BIOVALENTIA: Biological Research Journal Jurnal Universal Technic Journal of Geology Sriwijaya
Edy Sutriyono
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mathematics Medicine & Pharmacology Physics Transportation

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Mekanisme Pembentukan Struktur Geologi Daerah Batu Ampar Dan Sekitarnya, Kabupaten Bengkulu Selatan, Provinsi Bengkulu Zaid, Zaki Nurul; Sutriyono, Edy; Gusti, Ugi Kurnia
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1685

Abstract

This study examines the mechanisms of geological structure formation in the Batu Ampar area and its surroundings through field geological mapping and interpretation of Digital Elevation Model (DEM) imagery data. Outcrop identification was conducted to determine the types of structures in tectonically deformed rocks. The observations reveal several geological structures, including the Air Kedurang I Anticline, Air Kedurang I Syncline, Air Kedurang II Anticline, Air Kedurang II Syncline, Air Kedurang III Anticline, and the Batu Ampar Thrust Fault. Structural element analysis was carried out using Win Tensor and Dips software. The analyzed data include plane orientations (strike and dip) and pitch for fault structures, while fold analysis utilized orientation data from both fold limbs. Stereonet analysis and DEM interpretation indicate that the structural orientations and surface relief patterns predominantly trend northwest–southeast (NW–SE). The results suggest that compressional forces during the Early to Late Pliocene led to fold formation, which continued into the Pleistocene and triggered the development of the Batu Ampar Thrust Fault. Overall, the geological structures in the study area are interpreted to have formed due to sustained NW–SE–oriented tectonic activity from the Pliocene to the Pleistocene.
Kajian Geomorfologi Daerah Danau Ranau dan Sekitarnya Rahmadini, Sesaria; Sutriyono, Edy; Ibrahim, Mochammad Malik
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1682

Abstract

The Ranau Lake area and its surroundings are located along the Bukit Barisan Range, which constitutes an active volcanotectonic zone influenced by the Sumatran Fault System. This study was conducted to identify geomorphic units and to understand the geomorphological processes that contribute to the formation of the landscape in the study area. The analysis was carried out using morphographic, morphometric, and morphogenetic approaches by utilizing Digital Elevation Model (DEM) data, topographic maps, and field observations. The results indicate that the geomorphology of the Ranau Lake area is composed of volcanotectonic, denudational, and volcanic landforms, which have developed through the interaction of tectonic activity, erosional processes, and Quaternary volcanism. In general, the regional morphology is characterized by steep relief, variable slope gradients, and radial to dendritic drainage patterns influenced by geological structures and lithological conditions. This geomorphological study is expected to provide insights into the landscape evolution of the Ranau Lake area and serve as a basis for regional geological analysis and land-use planning.
Analisis Geomorfologi pada Daerah Kinal dan Sekitarnya, Kabupaten Kaur, Provinsi Bengkulu Gusti, Ugi Kurnia; Pramana, Alfaris Hadi; Sutriyono, Edy
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1750

Abstract

The Kinal area and its surroundings in Kaur Regency, Bengkulu Province, are geomorphologically influenced by regional tectonic activity associated with the Bukit Barisan structural system and sedimentary formations of the Lemau Formation. These regional geological conditions control the development of structural, fluvial, karst, and denudational landforms in the study area. The purpose of this study is to analyze the geomorphological characteristics of the Kinal area based on the genetic landform classification of Van Zuidam (1985). The research method applies a geomorphological approach consisting of morphographic, morphometric, and morphogenetic analyses using DEMNas and SRTM data supported by field verification. Landform classification was conducted genetically through interpretation of slope classes, elevation, drainage patterns, lithology, and geomorphic processes. The results indicate six main geomorphic units, namely structural fault ridges, alluvial plains, channel bars, karst hills, weakly dissected denudational hills, and strongly dissected denudational hills, with elevations ranging from 150 to 450 meters above sea level. Drainage patterns are predominantly dendritic and sub-dendritic, reflecting lithological variation and structural control under intensive denudational processes. These findings demonstrate that regional tectonics and lithological resistance play a significant role in controlling geomorphic evolution and landscape development in the Kinal area.
Co-Authors ambarisa, azizah okta Andrian, Fikri Astria Denita Budhi Setiawan Budhi Setiawan Devi Puspita Sari, Devi Puspita Eddy Ibrahim Gumanti, Johnnedy Gumanti, Johnnedy Gusti, Ugi Kurnia Harnani, Harnani Harnani, Harnani Heriani, Nova Lokon, Beskian Merri Jayanti Mochammad Malik Ibrahim Pebrianto, Rosihan Pramana, Alfaris Hadi Rahmadini, Sesaria Ramadhani, Jesica Nabilah Rastra, Rastra Yandra Satya Nugraha Rio Hanzra Adjie Pamungkas Salni Silaban, Ganda Tua Gilbert Suci Adelia Rahmawati Wioso, Yosaphat Bismo Zaid, Zaki Nurul Zainal, Pradana Arviano