Research has been carried out to map landslide potential in Tanjung Sakti District, Lahat Regency, South Sumatra, using Geographic Information Systems (GIS). Factors analyzed include geology, soil type, land cover, rainfall, and slope gradient. Rainfall data varies between 2400-2900 mm/year and slope gradients range from 8%-45%. The area's lithology is dominated by volcanic and sedimentary rock…
Penelitian ini bertujuan untuk menganalisis zona rawan bencana tanah longsor di Daerah Barangin dan sekitarnya, Kota Sawahlunto, Sumatera Barat, dengan menggunakan pendekatan Fuzzy Analytical Hierarchy Process (FAHP) sebagai metode pengambilan keputusan multikriteria yang mampu menangani ketidakpastian. Wilayah penelitian memiliki topografi curam, geologi tidak stabil, curah hujan tinggi, serta…
The location of this research is in the Central Kubang area, Lembah Segar District, Sawahlunto City, West Sumatra Province. This research is a follow-up study to the geological mapping and observations carried out previously. Regionally, the Central Kubang area and its surroundings are included in the Ombilin Basin, which is an intramontane basin or basin located between mountain ranges on the …
The Sawahtambang Formation has outcrops of stacked and cross-channeled sandstones, very thick sandstones are very interesting to study with the aim of knowing the characteristics of sandstones, the origin of sediments, deciphering mineral composition, knowing the rock of origin and ancient deposits of the source area formed. The method used in the research is petrographic description based on d…
The abundance of foraminifera in the study area is great potential in sedimentology, so it is interesting to do research. Research on microfacies and depositional environments is fascinating in this area because of the rich biodiversity. Determining facies zones and depositional environments can enrich the sedimentological knowledge of the research area. The research area is in Rembang Regency,…
The research was conducted in Bungin Campang and its surrounding area, OKU Selatan, South Sumatra. Field observations were conducted on two formations, namely the Talang Akar Formation and the Baturaja Formation. Rocks found in the Talang Formation are carbonatan and non-carbonatan caused by the transgression and regression phases where the lithology consists of carbonatan sandstone and carbona…
Coal mining owned by the community is one of the coal mining activities carried out by local communities on a small scale and in mutual cooperation as a form of livelihood. This community mining sometimes does not meet standards in environmental aspects, so it is destructive to nature and causes disruption of the balance between the environment and natural resource management. These exploitatio…
Using the Show Cave Assessment Model (SCAM) approach, this study assesses the Goa Batu Napal Licin site's potential as a geosite to support the growth of sustainable geotourism in Ulu Rawas District, Musi Rawas Utara Regency. The types of caves, rock properties, and cave features are all identified in this study, which also assesses the site's speleological and tourism value. In order to determ…
Kegagalan lereng, khususnya longsor, merupakan masalah umum pada lereng tambang. Penelitian ini bertujuan untuk mengidentifikasi arah persebaran variabilitas dan zona lemah material pada timbunan lama atau old dump di Pit X Tambang Air Laya, menggunakan pendekatan geostatistik ordinary kriging. Tujuannya aagar dapat mengurangi risiko kerentanan pada lereng di sekitar area overburden atau area t…
RINGKASAN IDENTIFIKASI MORFOLOGI DAN STRUKTUR GEOLOGI BERDASARKAN LINEAMENT DAERAH BUNGIN CAMPANG DAN SEKITARNYA, KABUPATEN OKU SELATAN, PROVINSI SUMATERA SELATAN Karya tulis ilmiah berupa Laporan Tugas Akhir, Juli 2024 Muhammad Abdul Latif, dibimbing oleh Budhi Setiawan, S. T., M. T., Ph.D. dan Yogie Zulkurnia Rochmana, S. T., M. T. xix + 41 halaman, 6 Tabel, 35 Gambar, 4 Lampiran RINGKASAN Id…
This study aims to analyze landslide susceptibility in Lubuk Alai Village, Kapur IX District, Lima Puluh Koto, West Sumatra, which has shown an increasing trend in landslide occurrences between 2021 and 2023. The research examines the physiographic characteristics of the area, the distribution of landslide-prone zones, and the level of landslide vulnerability using the Weighted Overlay method i…
This study aims to analyze the paleobathymetry, paleoclimate, and paleoecology based on the distribution of foraminiferal fossils in the Talang Akar and Gumai Formations in the Muara Cawang area, Lahat Regency, South Sumatra. The research was conducted along the Talang Sawah River section with six observation points. The Talang Akar Formation consists of carbonate sandstone deposited during a r…
Penelitian ini bertujuan untuk mengkarakterisasi sedimen endapan aluvial berdasarkan analisis granulometri pada daerah Sukarami dan sekitarnya, Kabupaten Lahat, Provinsi Sumatera Selatan. Analisis granulometri dilakukan untuk mengetahui distribusi ukuran butir, parameter statistik sedimen, mekanisme transportasi, serta lingkungan pengendapan pada sistem fluvial. Pengambilan sampel dilakukan pad…
Musi Rawas Utara Regency harbors significant geotourism potential, represented by its two prominent geosites: Danau Rayo (Rayo Lake) and Sosokan Waterfall. This study aimed to comprehensively analyze and assess the potential of these two geosites using the Modified Geosite Assessment Model (M-GAM), which integrates expert assessment and visitor perceptions. The analysis results show that both g…
Several factors, including climate, land use and cover types, rock lithology, geomorphology, and hydrological conditions of an area, influence flooding. The research location is the Air Manna watershed, which is administratively located in Ulu Manna District, South Bengkulu. This research aims to identify the influence of morphometric aspects on the potential for flooding in the watershed and m…
The research was conducted in Gumay Talang District, Lahat Regency, South Sumatra. Regionally, this area is included in the South Sumatra Basin which is a back arc basin. This basin has coal-carrying formations, called the Muaraenim Formation and the Airbenakat Formation. Coal is formed through a sedimentation process that occurs in a specific location called a sedimentation environment. This s…
Natural disasters, a series of events that threaten people's lives and are caused by natural or non-natural factors, can cause environmental damage, property losses, psychological impacts, and casualties. One of the natural disasters that often occur in the research area is landslides, which involve the sudden movement of rock or soil masses and are closely related to scientific processes in la…
Limestones from the Baturaja Formation were exposed in the Pusar area, Ogan Komering Ulu District, South Sumatra, which is a fairly good object for the study of limestone characteristics. The method of this research is based on literature study, analysis of outcrop observation data, profile analysis and results of petrographic and paleontological analysis. This study aims to identify the geomor…
Secara regional, Desa Bungin Campang, Kecamatan Simpang, Kabupaten OKU Selatan termasuk kedalam sub cekungan Palembang yang merupakan bagian dari Cekungan Sumatra Selatan. Cekungan Sumatera Selatan adalah cekungan busur belakang berumur Tersier yang terbentuk sebagai akibat adanya interaksi antara Paparan Sunda (sebagai bagian dari lempeng kontinen Asia) dan lempeng Samudera India. Pada daerah …
The South Sumatra Basin is located in the back-arc basin and has coal-containing formations, including the Muara Enim Formation, Air Benakat Formation and Talang Akar Formation. One of them is PT. Bukit Asam Tbk, Muara Enim Regency, South Sumatra which has a coal mining site. The method used in this study is stratigraphic analysis to determine the lithology in the "BW" field which will later be…
Geothermal manifestation fluid and heat source characterization are key considerations in feasibility study step towards the utilization of geothermal resource. The confluention of Eurasian and Indo-Australian plates along the southwestern edge of Sumatra formed Bukit Barisan as an orogenic belt, which contains geothermal manifestations. Lake Ranau is formed as a remnant of the ancient Mount Ra…
Lineament analysis and identification of geological structures have been conducted in the area of Muara Sahung Village and its surroundings, Kaur Regency, Bengkulu Province. Tectonically, the analysis area is included in the Bengkulu Basin which is a Tertiary forearc basin with a relatively dynamic tectonic setting. The Bengkulu Basin is located between 2 regional faults, namely the Sumatra Fau…
Groundwater has an important role as the main supply source of freshwater reserves. The research site is administratively located in Bungin Campang area, Simpang District, South Ogan Komering Ulu Regency, South Sumatra. The purpose of this research is to identify groundwater facies based on the type of water chemistry. The data used are primary data in the form of well water samples that are an…
The research focuses on applying the stratigraphic sequence concept to identify stratigraphic sequence markers, facies, and depositional models in the research area. The stratigraphic sequence is explicitly used to determine facies distribution and interpretation of depositional succession. The research area is in Field "H," which is included in the working area of PT. Pertamina Hulu Rokan Zone…
This research is focused on the Simpangaur Formation located in Pagar Village and its surroundings, Seluma Regency, Bengkulu which discusses paleocurrents during the deposition of the Simpangaur Formation. To find out the geological conditions and the character of paleocurrents formed at the observation location, a study is needed including geological mapping activities and collecting data on t…
Geographically, the study area is located in Sukaraya and its surrounding areas, Ogan Komering Ulu Regency, South Sumatra. This study aims to evaluate the level of tectonic activity related to the presence of the Air Gading Fault through quantitative geomorphological analysis. The evaluation was conducted using morphometric parameters from the watershed (DAS), including Valley Floor Width to He…
Bencana longsor merupakan salah satu bentuk bencana alam kompleks yang bisa mengancam kehidupan masyarakat, tidak hanya menimbulkan kerusakan fisik tetapi juga dampak sosial dan psikologis yang signifikan. Terjadinya longsor dipengaruhi oleh berbagai faktor, termasuk kondisi geologi, iklim, dan juga aktivitas manusia. Untuk mengurangi risiko terjadinya bencana longsor diperlukan kajian mendalam…
This study was conducted in the Bumi Agung area and its surroundings, Muaradua District, South Ogan Komering Ulu Regency, South Sumatra Province. Geologically, the study area is part of the western part of the South Sumatra Basin, which is a Tertiary-aged back-arc basin consisting of shallow to deep marine sedimentary rocks. The formations exposed at the research site consist of the Baturaja Fo…
Penelitian ini mengkaji hubungan antara sifat fisik dan mekanik tanah dengan daya dukung tanah di sekitar Danau Rayo, Kabupaten Musi Rawas Utara, Sumatera Selatan, pada area seluas 1,2 × 1,2 km. Pengamatan dilakukan pada tujuh titik, yakni BR1–BR5 di zona basin dan BR6–BR7 di zona rim. Daya dukung tanah (qa) dihitung menggunakan metode Terzaghi berdasarkan parameter kohesi, sudut geser dal…