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All Journal Bionatura Bulletin of Scientific Contribution : Geology IJOG : Indonesian Journal on Geoscience Jurnal RISET Geologi dan Pertambangan Record and Library Journal Jurnal Geosaintek Geoscience Journal Jurnal Teknologi Mineral dan Batubara Journal of Geoscience, Engineering, Environment, and Technology JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) BULLETIN OF THE MARINE GEOLOGY Spektra: Jurnal Fisika dan Aplikasinya Buletin Sumber Daya Geologi Journal of Humanities and Social Studies Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan KRTHA BHAYANGKARA Indonesian Journal on Geoscience Indonesian Journal on Geoscience Dinamika Lingkungan Indonesia International Journal of Science and Society (IJSOC) Jurnal Geominerba Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi Mineral dan Batubara Journal of Geosciences and Applied Geology BACA: Jurnal Dokumentasi dan Informasi Jurnal Geosaintek Geoid - Journal of Geodesy and Geomatics
Dicky Muslim
Fakultas Teknik Geologi - Universitas Padjadjaran
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : IJOG : Indonesian Journal on Geoscience

 1 
Geomorphic Analysis in Determining Tectonic Activity Affected by Sumatra Fault in Liwa Region and Its Surrounding Area, Lampung, Indonesia Yudhicara, Yudhicara; Muslim, Dicky; Sudradjat, Adjat
Indonesian Journal on Geoscience Vol 4, No 3 (2017)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.4.3.193-208

Abstract

DOI: 10.17014/ijog.4.3.193-208The study discusses about characteristics of Sumatra Fault and its tectonic activity in Liwa and the adjacent area. The research uses quantitative methods of verification hypothetical deduction, which starts from the general approach, then it pursues into more specialized and focused ones. While the research work includes field measurements, remote sensing with GIS, and geomorphologic analysis using morphometry, such as: sinousity of mountain front (Smf), percentage of facets, ratio of the width and height of the valley (Vf), bifurcation ratios of the river (Rb), drainage density (Dd), shape of the watershed basin area (Bs), hypsometric curves (HI), and gradient index of stream length (SL). Basically, two blocks separated by the Sumatra Fault do not have a significant difference in tectonic activity, but the tectonic activity change can be seen when the studied area is divided into three blocks (northwest, middle, and southeast), then the change in each part can clearly be seen. Apparently, the tectonic activity in the studied area starts from the southeast continues toward the northwest. It is proved by this research, that geomorphological parameters which are associated with mountain fronts and watershed systems demonstrate the value of the activity increases towards the northwest. Hypsometric curves and a river analysis show that the tectonic activity in the northwest is relatively in a young stage, while towards the southeast it is getting in a mature stage.
Characteristics of Arun Carbonate Reservoir and Its Implication To Optimize the Most Potential Gas Resource Zone In Arun Gas Field, Aceh, Indonesia Atmadibrata, Riza; Muslim, Dicky; Hirnawan, R. Febri; Abdurrokhim, Abdurrokhim
Indonesian Journal on Geoscience Vol 6, No 2 (2019)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7210.225 KB) | DOI: 10.17014/ijog.6.2.209-222

Abstract

DOI:10.17014/ijog.6.2.209-222Since the discovery of major oil and gas reserves in carbonate rocks in the Middle East, carbonate reservoirs became important to the petroleum industry. Carbonate rocks have covered only 20% of the sedimentary rock records. However, carbonate reservoirs hold 50% of the world petroleum reserves. Arun Carbonate Reservoir is one of the biggest proven retrograde gas reservoirs in the world. After more than thirty years of production, Arun Carbonate Reservoir had an initial gas in place of 14.1 TCF residual hydrocarbon gas. The issue makes Arun Carbonate Reservoir became an interest to be studied for the development and production of hydrocarbon in other carbonate reservoirs in Indonesia. One of the fundamental topics to be studied is the characteristics of Arun Carbonate Reservoir itself. The characteristics of carbonate reservoir usually cause a lot of geologic and engineering problems in the development and production of hydrocarbon reserves. This paper aims to identify the characteristics of Arun Carbonate Reservoir and its implication to delineate the potential gas resource zone in the Arun Gas Field, Aceh, Indonesia. The data from sixteen wells have been examined through several multidiscipline studies: geophysics (well logging), geology (facies, lithology and diagenetic analyses), and petrophysics (core analysis). The result of this study shows that Arun Carbonate Reservoir (N5-N8) contains limestone 92%, 5% dolomite, and 3% dolomitic limestone (or other), and petrophysically have 16% porosity and 13.5 md permeability in average. Arun Carbonate Reservoir is divided into four facies (Reef, Near Reef, Inter Reef Lagoon, and Middle Shelf). Of four facies in Arun Carbonate Reservoir, only two facies which can be categorized as productive facies: Reef and Lagoonal Facies. The potential zones of hydrocarbon resources have vertically been documented in Arun Carbonate Reservoir.
Geomorphic Analysis in Determining Tectonic Activity Affected by Sumatra Fault in Liwa Region and Its Surrounding Area, Lampung, Indonesia Yudhicara Yudhicara; Dicky Muslim; Adjat Sudradjat
Indonesian Journal on Geoscience Vol 4, No 3 (2017)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3397.501 KB) | DOI: 10.17014/ijog.4.3.193-208

Abstract

DOI: 10.17014/ijog.4.3.193-208The study discusses about characteristics of Sumatra Fault and its tectonic activity in Liwa and the adjacent area. The research uses quantitative methods of verification hypothetical deduction, which starts from the general approach, then it pursues into more specialized and focused ones. While the research work includes field measurements, remote sensing with GIS, and geomorphologic analysis using morphometry, such as: sinousity of mountain front (Smf), percentage of facets, ratio of the width and height of the valley (Vf), bifurcation ratios of the river (Rb), drainage density (Dd), shape of the watershed basin area (Bs), hypsometric curves (HI), and gradient index of stream length (SL). Basically, two blocks separated by the Sumatra Fault do not have a significant difference in tectonic activity, but the tectonic activity change can be seen when the studied area is divided into three blocks (northwest, middle, and southeast), then the change in each part can clearly be seen. Apparently, the tectonic activity in the studied area starts from the southeast continues toward the northwest. It is proved by this research, that geomorphological parameters which are associated with mountain fronts and watershed systems demonstrate the value of the activity increases towards the northwest. Hypsometric curves and a river analysis show that the tectonic activity in the northwest is relatively in a young stage, while towards the southeast it is getting in a mature stage.
Characteristics of Arun Carbonate Reservoir and Its Implication To Optimize the Most Potential Gas Resource Zone In Arun Gas Field, Aceh, Indonesia Riza Atmadibrata; Dicky Muslim; R. Febri Hirnawan; Abdurrokhim Abdurrokhim
Indonesian Journal on Geoscience Vol 6, No 2 (2019)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7210.225 KB) | DOI: 10.17014/ijog.6.2.209-222

Abstract

DOI:10.17014/ijog.6.2.209-222Since the discovery of major oil and gas reserves in carbonate rocks in the Middle East, carbonate reservoirs became important to the petroleum industry. Carbonate rocks have covered only 20% of the sedimentary rock records. However, carbonate reservoirs hold 50% of the world petroleum reserves. Arun Carbonate Reservoir is one of the biggest proven retrograde gas reservoirs in the world. After more than thirty years of production, Arun Carbonate Reservoir had an initial gas in place of 14.1 TCF residual hydrocarbon gas. The issue makes Arun Carbonate Reservoir became an interest to be studied for the development and production of hydrocarbon in other carbonate reservoirs in Indonesia. One of the fundamental topics to be studied is the characteristics of Arun Carbonate Reservoir itself. The characteristics of carbonate reservoir usually cause a lot of geologic and engineering problems in the development and production of hydrocarbon reserves. This paper aims to identify the characteristics of Arun Carbonate Reservoir and its implication to delineate the potential gas resource zone in the Arun Gas Field, Aceh, Indonesia. The data from sixteen wells have been examined through several multidiscipline studies: geophysics (well logging), geology (facies, lithology and diagenetic analyses), and petrophysics (core analysis). The result of this study shows that Arun Carbonate Reservoir (N5-N8) contains limestone 92%, 5% dolomite, and 3% dolomitic limestone (or other), and petrophysically have 16% porosity and 13.5 md permeability in average. Arun Carbonate Reservoir is divided into four facies (Reef, Near Reef, Inter Reef Lagoon, and Middle Shelf). Of four facies in Arun Carbonate Reservoir, only two facies which can be categorized as productive facies: Reef and Lagoonal Facies. The potential zones of hydrocarbon resources have vertically been documented in Arun Carbonate Reservoir.
Comparative Study among Bivariate Statistical Models in Landslide Susceptibility Map Yukni Arifianti; Pamela Pamela; Fitriani Agustin; Dicky Muslim
Indonesian Journal on Geoscience Vol 7, No 1 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.1.51-63

Abstract

DOI:10.17014/ijog.7.1.51-63The main purpose of this paper is to compare the performance of bivariate statistical models i.e. Frequency Ratio, Weight of Evidence, and Information Value for landslide susceptibility assessment. These models were applied in Cianjur Regency, West Java Province (Indonesia), in order to map the landslide susceptibility and to rate the importance of landslide causal factors. In the first stage, a landslide inventory map and the input layers of the landslide conditioning factors were prepared in the Geographic Information System (GIS) supported by field investigations and remote sensing data. The 298 landslides were randomly divided into two groups of modeling/training data (70%) and validation/test data sets (30%). The landslide conditioning factors considered for the studied area were slope angle, elevation, slope aspect, lithological unit, and land use. Subsequently, the thematic data layers of conditioning factors were integrated by frequency ratio (FR), weight of evidence (WofeE), and information value (IV). Model performance was tested with receiver operator characteristic analysis. The validation findings revealed that the three models showed promising results since the models gave good accuracy values. The success rates of FR, WofE, and IV models were 0.920, 0.926, and 0.930, while the prediction rates of the three models were 0.913, 0.912, and 0.895, respectively. However, the FR model was proved to be relatively superior in estimating landslide susceptibility throughout the studied area.
Integration of Soil Shear Strength Analysis with Wave Force Calculations to Optimize Coastal Slope Stability Soesanto, Edy; Muslim, Dicky; Sudjono, Evie Hadrijantie; Endayana, Cipta
Indonesian Journal on Geoscience Vol. 12 No. 2 (2025)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.12.2.145-162

Abstract

Coastal regions face significant challenges due to the dynamic interplay between waves and soil slopes, which can lead to instability and erosion. This study investigates the stability of coastal slopes under wave-loading conditions by integrating soil shear strength analysis with wave-induced forces calculation. The simplified slope stability analysis method serves as the framework for assessing slope stability, while wave characteristics such as height, period, and direction are considered to calculate driving forces induced by waves. Soil shear strength parameters, including cohesion and friction angle, are incorporated to determine the resisting forces within the soil mass. An example scenario illustrates the calculation process, demonstrating how wave shear stress and soil shear strength interact to influence slope stability. This research found that wave parameters such as height, period, and direction had a significant influence on the magnitude of the driving force acting on the coastal slope. The distribution of wave pressure and wave forcing is also described, showing a significant increase in pressure at certain depths. This research resulted in the integration of soil shear strength with calculations of forces caused by waves, which greatly influenced the stability of coastal slopes. This research shows that soil with higher shear strength has better resistance to forces caused by waves. Coastal slopes with a FoS value of more than 1 are considered stable, while slopes with a FoS of less than 1 indicate instability and potential failure. At a certain depth, driving forces are dominant, which increases the potential for slope failure. The main innovation of this research is the approach that combines hydrodynamic analysis with geotechnical analysis to assess coastal slope stability, the simplified slope stability method approach from Bea and Audibert (1981) to calculate FoS on coastal slopes, and the use of Historical Data and Numerical Modeling forForce Evaluation Wave.
Co-Authors Abdurrokhim ⠀ Achmad Djumarma Wirakusumah Adi Hardiyanto Adithya Ramadhani Hasibuan Aditya Dwi Prasetio Adiwijaya, Annisa Ayungingtyas Pratiwi Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat - Adjat Sudradjat -, Adjat Sudradjat Adjat Sudrajat Adriansyah, Yan Afiah, Mahda Agung Mulyo Agus Didit Haryanto Agus W Oscar Agus Wiramsya Oscar Agustin, Fitriani Alamta Singaribun Alamta Singarimbun Alamta Singarimbun -, Alamta Singarimbun Algi Fajar Ghaniansah, Algi Fajar Alifahmi Alifahmi, Alifahmi Andra Taufiq Andriani, Tati Andriani, Tati Anggoro Tri Mursito Anggoro Tri Mursito Anhar, Jevye Fazrin Kusumah Arif R Darana Arif R. Darana Arifianti, Yukni Arma, Yadvi Arma, Yadvi Asdani Soehaimi Atang, . Athanasius Cipta Atmadibrata, Riza Atmadibrata, Riza Azizi, Hisyam Azhar Bambang Sugiarto Bombom Rachmat Suganda Budi Nurani Ruchjana Cipta Endyana Cyrke A N Bujung Danny H. Natawidjaja Darana, Arif R Darana, Arif R Destirani, Sagita - Dewi Gentana Dewi Ulfa Astriani Dinata, Muhammad Nasheer Ramdan Donny R. Wahyudi Edy Soesanto Eko Tri Sumarnadi Emi Sukiyah Emy Sukiyah Endayana, Cipta Euis Tintin Yuningsih Evi Haerani -, Evi Haerani Fachrudin, Kurnia Arfiansyah Fahira, Ghina Faiq Nirmala Faisal Akbar Nasution Faisal Helmi Faisal Helmi Fauzan, Aldo Febri Hirnawan Febri Hirnawan Febri Hirnawan - Febri Hirnawan -, Febri Hirnawan Firmansyah, M. Nizar Fitriani Agustin Fiverno, David Feby Galih W. Swana Hananto Kurnio Hanif, Salma Nur Hendarmawan Hendarmawan Hendarmawan Hendarmawan, Hendarmawan Heri Nurohman Heriwaseso, Anjar Heryadi Rachmat Hirnawan, R. Febri Hirnawan, R. Febri Ildrem Syafri Imanuel Seru Irvan Sophian Irvan Sophian Irvan Sophian, Irvan Iskandarsyah, Teuku Yan W. M. Ismawan Iyan Haryanto Jakah Jakah Jakah Jakah Jakah, Jakah Johanes Hutabarat Johanes Hutabarat Jossi Erwindi Juniarto, Reinaldi Kamawan Kamawan Khaerani, Puspa Khaerani, Puspa Khoirullah, Nur Khoirullah, Nur Kristiawan, Yohandi Luthfan H. Jihadi, Luthfan H. M. Dwiki Satrio Manullang, Sahala Maret Priyanta Marjiyono Marjiyono Marjiyono Mega Fatimah Rosana Mega Fatimah Rosana Moh. Sapari Dwi Hadian Mudrik R. Daryono Muhamad Ridwan Muhammad Burhannudinnur Muhammad S. Sadewo Mursito, Anggoro Nadhirah Seraphine Nadhirah Seraphine Nana Sulaksana Nana Sulaksana Nana Sulaksana Nendi rohaendi Nur Hamid NUR HAMID Nur Khoirullah Nurdrajat Nurdrajat Nurida Maulidia Rahma Oscar, Agus W Oscar, Agus W Pamela Pamela Pamela, Pamela Pradnya Paramarta Raditya Rendra Prantoko, Edi Puspa Khaerani Putra, Rieza Rachmat Putri, Yunitha R.I. Putri, Yunitha R.I. R. Febri Hirnawan Raden Irvan Sophian -, Raden Irvan Sophian Raden Irvan Sophian, Raden Irvan Rahayu Robiana, Rahayu Reza Mohammad Ganjar Gani Risna Widyaningrum Riza Atmadibrata Robby Setianegara Rukmana, Yanwar Yusup Ryan Hidayat Selasian Gussyak Seraphine, Nadhirah Seru, Imanuel Seru, Imanuel Sofyan Rachman Idris Sondi Kuswaryan Sonia Fauziah Sonny Aribowo Sudjono, Evie Hadrijantie Sudradjat, Adjat Sukardan Tawil Sumarnadi, Eko Sumaryono Sumaryono Sumaryono Sumaryono Suyono, Oon Swana, Galih W. Swana, Galih W. Tati Andriani Taufiq Wira Buana, Taufiq Wira Taufiq, Andra Taufiq, Andra Teuku Y.W.M Iskandarsyah Tono Hartono, Tono Tulus Pramudyo Ujang Hidayat Tanuwiria Verdad Chabibullah Abdallah Iman Vijaya Isnaniawardhani Wahyuzi, Radhi Wandani, Diki Waromi, Doodle Dandy Wicaksana, Kintan Adelia Arum Widia Hadiasti, Widia Widyaningrum, Risna Yadvi Arma Yanwar Yusup Rukmana Yanwar Yusup Rukmana Yosep, Boy Yudhicara Yudhicara Yudhicara Yudhicara Yudhicara, Yudhicara Yudhicara, Yudhicara Yudi Kuswandi Yudistira Purnamaruslia Yukni Arifianti Yunitha R.I. Putri Yunus Winoto Zakaria, Zulfiadi Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zufialdi Zakaria Zulfialdi Zakaria, Zulfialdi