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All Journal Jurnal Pertambangan Bulletin of Scientific Contribution : Geology Jurnal IPTEK Jurnal Penelitian Sains PROMINE Jurnal Mineral, Energi dan Lingkungan Jambura Geoscience Review Jurnal Mineral, Energi dan Lingkungan Jurnal Geosains dan Remote Sensing (JGRS) Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Journal of Earth and Marine Technology (JEMT) Teknika Sains : Jurnal Ilmu Teknik Jurnal Penelitian Inovatif Ophiolite : Jurnal Geologi Terapan Journal of Geoscience Engineering and Energy (JOGEE) Innovative: Journal Of Social Science Research Journal of Geology Sriwijaya OPHIOLITE : Jurnal Geologi Terapan
Yogie Zulkurnia Rochmana
Teknik Geologi Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Rekonstruksi Sejarah Geologi Berdasarkan Analisis Stratigrafi Pada Daerah Cibitung dan Sekitarnya, Kabupaten Bandung Barat, Jawa Barat Wijaya, Anton; Rochmana, Yogie Zulkurnia
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 4 (2025): November
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i4.1423

Abstract

Perubahan lingkungan pengendapan yang bervariasi dari laut dangkal menjadi daratan pada Kala Tersier di sub-Cekungan Bogor menjadikan sejarah geologi daerah penelitian menarik untuk dikaji lebih lanjut. Pembahasan mengenai sejarah geologi menjadi penting karena dapat mengungkap pola pengendapan, perkembangan tektonik, dan evolusi lingkungan pengendapan yang membentuk karakteristik geologi daerah saat ini. Untuk memahami perubahan tersebut, diperlukan kajian sejarah geologi. Penelitian ini bertujuan mengungkap kronologi kejadian geologi dan mekanisme pengendapan yang terjadi pada daerah Cibitung. Metode yang digunakan meliputi observasi lapangan dan analisis stratigrafi. Urutan pengendapan dimulai pada Kala Oligosen Akhir–Miosen Awal, dengan terendapkannya Formasi Rajamandala (Omc) berupa batupasir gampingan di lingkungan pengendapan laut dangkal (Outer Shelf). Selanjutnya Formasi Citarum (Mts) terendapkan pada Kala Miosen Awal dengan litologi batupasir dan batulanau dalam lingkungan pengendapan Upper Delta. Pada Kala Miosen Akhir, terbentuklah Formasi Tufa Batuapung Batupasir Tufan (Mt) berupa batupasir tufan dalam sistem Braided River. Formasi termuda adalah Formasi Gunung Api (Pb) yang terendapkan pada Pliosen Tengah dalam lingkungan pengendapan Braided River, terdiri dari breksi dan batupasir. Periode ini juga merupakan puncak aktivitas tektonik yang membentuk struktur geologi seperti Antiklin Rajamandala dan Sesar Cibitung, yang mencerminkan evolusi geologi daerah penelitian.
Rekonstruksi Sejarah Geologi Berdasarkan Analisis Stratigrafi Daerah Pulau Beringin dan Sekitarnya, Kabupaten Lahat, Sumatera Selatan Ikhwanulsyah, Muhammad Aghil; Rochmana, Yogie Zulkurnia
OPHIOLITE: Jurnal Geologi Terapan Vol 7 No 2 (2025): AGUSTUS 2025
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56099/ophi.v7i2.p93-103

Abstract

This study was conducted in Pulau Beringin Village, Lahat Regency, South Sumatra, to reconstruct geological conditions and understand the chronology of sedimentation through stratigraphic analysis. The methods employed include field observations and laboratory-based stratigraphic interpretation. The stratigraphy of the study area, arranged from oldest to youngest, begins with the Saling Formation (KJs), dated to the Late Jurassic–Early Cretaceous, formed by the collision between the Woyla Arc and the West Sumatra Block, resulting in andesitic rocks deposited in a terrestrial setting. It is overlain by the Kikim Formation (Tpok), Paleocene–Oligocene in age, comprising andesitic breccia fragments within a braided fluvial environment. A transgressive phase deposited the Gumai Formation (Tmg) during the Early–Middle Miocene, characterized by carbonate-rich sandstone and shale in a delta front setting. Microfossil analysis confirms its relative age as Middle Miocene. The regressive phase led to the deposition of the Air Benakat Formation (Tma) during the Middle–Late Miocene in a lower delta plain environment, with sandstone and claystone lithologies. The Muara Enim Formation (Tmpm), dated to the Late Miocene–Pliocene, was deposited in an upper delta plain setting, consisting of tuffaceous sandstone and claystone. Finally, the Kasai Formation (Qtk), of Pliocene–Pleistocene age, was deposited in a fluvial environment and comprises conglomeratic sandstone and claystone. The overall depositional sequence was initially driven by tectonic activity, followed by transgressive and regressive cycles.
Facies and Sequence Stratigraphy Analysis of Carbonate Formation in “ANDRI” Field, Offshore Indonesian Basin: Impacts on Reservoir and Hydrocarbon Quality Harfiandri, Muhammad Said; Setiawan, Budhi; Rochmana, Yogie Zulkurnia; Arieffiandhany, Riezal
Jurnal Geosains dan Remote Sensing Vol 6 No 2 (2025): JGRS Edisi November
Publisher : Department of Geophysical Engineering, Faculty of Engineering, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jgrs.ft.unila.481

Abstract

The Baturaja Formation in the northern West Java Basin is the focus of many oil and gas exploration and production activities, mainly due to its significant reservoir potential. The formation consists of Early Miocene-aged carbonate sedimentary layers with good hydrocarbon reservoir characteristics, distribution, and quality. This study aims to identify the reservoir characteristics and hydrocarbon prospective zones of carbonate formation through integrated facies analysis, sequence stratigraphy, diagenetic processes, and petrophysical evaluation. This research uses qualitative and quantitative methods, where the qualitative stage starts with lithological interpretation from core data and thin sections of rock. Furthermore, quantitative analysis is carried out to calculate reservoir properties based on petrophysical analysis such as shale volume, porosity, permeability, and water saturation. The results show that the shoal reef facies exhibit higher hydrocarbon potential than the lagoonal facies, with greater maximum hydrocarbon thickness and more consistent hydrocarbon distribution. This follow the characteristics of the shoal reef facies, which have grain supported characteristics with low clay matrix content, a high degree of pore connectivity and high permeability Diagenetic process also plays an important role in the formation of porosity and permeability, where the shoal reef facies with fossiliferous packstone lithofacies exhibit good porosity and permeability, such as intercrystalline, intraparticle, and fracture porosity.This is due to the depositional process of the facies in a high-energy environment with abundant carbonate production growth rate.
Analisis Fasies dan Lingkungan Pengendapan Formasi Halang, Studi Kasus: Daerah Jeruklegi, Kabupaten Cilacap, Jawa Tengah Alpino, Muhammad; Rochmana, Yogie Zulkurnia
TEKNIKA SAINS Vol 10, No 2 (2025): TEKNIKA SAINS
Publisher : Universitas Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/teksis.v10i2.4440

Abstract

Daerah Jeruklegi pada Kabupaten Cilacap memiliki karakteristik sedimen yang cukup menarik salah satunya pada Formasi Halang. Namun kajian detail terkait fasies dan sedimentasi pada Formasi Halang ini masih terbatas. Tujuan dari penelitian ini untuk mengetahui karakteristik litofasies guna memahami lingkungan pengendapan pada daerah Jeruklegi. Metode yang digunakan dalam penelitian ini yaitu pengukuran penampang stratigrafi. Pengukuran penampang stratigrafi dilakukan pada dua lintasan. Pada lintasan I terdapat 5 litofasies yaitu batupasir laminasi (Ssl), batupasir perlapisan (Ssb), batupasir wavy (Ssw), batulanau laminas (Sl), dan batulempung perlapisan (Cb) dengan asosiasi fasies medial fan lobe deposits. Pada lintasan II ditemukan lima litofasies yaitu batupasir perlapisan (Ssb), batupasir graded bedding (Ssg), batupasir laminasi (Ssl), batulanau laminasi (Ssl), dan batulempung perlapisan (Cb) dengan asosiasi fasies proximal fan channel & levee deposits dan medial fan lobe deposits. Hasil dari asosiasi fasies yang ditemukan pada Formasi Halang ini menunjukkan lingkungan pengendapan kipas bawah laut dengan model fasies lingkungan pengendapannya yaitu kipas bawah laut.
Co-Authors A. F. H. Surbakti` Abimanyu, Gilang Adamsyah, Bayu Alpino, Muhammad Anisa Nurjanah, Anisa Anton Wijaya Apriliana, Vira Arieffiandhany, Riezal Armandani, Aditya Raihan Atthoriq, Muhammad Hafidz Aulia, Khanaya Syafarah Az zahra', Salmaa Aulia Az-zahra, Salmaa Aulia Budhi Setiawan Daffa Gamas Elcofa Dyah Hastuti, Endang Wiwik E. W. D. Hastuti Elisabet Dwi Mayasari Endang Wiwik Dyah Hastuti Endang Wiwik Dyah Hastuti Erisendy, Maretha Deva Giantaria, Anisa Harfiandri, Muhammad Said Harnani Harnani Harnani, Harnani Hibatullah, Kevin Nabil Idarwati Idarwati Ikhwanulsyah, Muhammad Aghil Ismaryanto, Ismaryanto J. Ersyari Kevin Nabil Hibatullah Lestari, Suci Febria M Arief Situmorang M. Rafi Maretha Deva Erisendy Mayasari, Elisabet Dwi mega puspita Muhammad Al Fajrin Khalil Gibran Muhammad Daffa Kevin Adam Muhammad Raihan Mustaqim Novita, A. F. Permana, Lano Adhitya Pranata, Ridho Putra, Hanif Kurniadi Putri, Helen Dwi R. D. Chen R. G. Utamaputra Rahmatullah, Arif Ramadan, Ikdan Rifki Muhamad Stevanus Nalendra Jati Sunarta, Jonathan Angkawijaya Wicaksono, M. Dwiki Satrio