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Berita Sedimentologi
Published by Forum Sedimentologiwan Indonesia
ISSN : 08539413     EISSN : 2807274X     DOI : https://doi.org/10.51835/bsed
Core Subject : Science,
Earth & Planetary Sciences
BERITA SEDIMENTOLOGI aims to disseminate knowledge on the field of sedimentary geology to its readers. The journal welcomes contributions in the form of original research articles, review articles, short communications and discussions and replies. Occasionally, Berita Sedimentologi also includes field trip reports and book reviews, which are published only after going through peer-review processes. The main geographical areas of interest are Indonesia and SE Asia, however contribution from the rest of the world is also welcome. Berita Sedimentologi covers broad topics within sedimentary geology, particularly on depositional processes and their records in the rocks, petrology, sedimentology and stratigraphy of both siliciclastic and carbonate rocks; sequence stratigraphy, paleontology, biostratigraphy and sedimentary geochemistry. The journal also accepts articles on interdisciplinary research in sedimentary basin analysis, including large-scale basin geodynamics processes, mechanism of sedimentary basin formation, earth surface processes, sediment routing systems, petroleum geoscience and applied sedimentary geology analysis for mining and engineering geology.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geologi
Articles 282 Documents
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East Java Basin Carbonate Reservoirs: Time Control on Reservoir Character Darman, Herman; Abigail, Stevany; Lamba, Lisa Christi; Wulandari, Diah Retno; Ascaria, Alit; Prasetya, Lilik
Berita Sedimentologi Vol 51, No 1 (2025)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2025.51.1.462

Abstract

The East Java Basin, a prolific back-arc basin in Indonesia, hosts significant hydrocarbon accumulations within Cenozoic carbonate reservoirs. This study explores the link between carbonate age, fossil assemblages, and reservoir characteristics. The oldest reservoir, the Ngimbang Formation, dominated by large foraminifera and interbedded shale, exhibits limited vertical growth potential. Conversely, the Oligo-Miocene Kujung Formation, rich in coral reefs, boasts the basin's highest hydrocarbon content. Pliocene Globigerina sands offer excellent reservoir quality due to both inter- and intra-granular porosity, but their distribution is restricted. This work analyzes the variations in reservoir properties (porosity and permeability) influenced by these distinct fossil assemblages across the formations. Additionally, comparisons of formation geometries and their impact on hydrocarbon trapping are addressed. By understanding these factors, the paper explores the potential for identifying hidden reservoirs within the basin for future exploration.
Geology of Labuan Bajo Area, East Nusa Tenggara: A short geological note as a supplemental information to Komodo National Park Purba, Junida R; Darman, Herman
Berita Sedimentologi Vol 51, No 1 (2025)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2025.51.1.507

Abstract

Labuan Bajo is a captivating destination in the Lesser Sunda Islands, Eastern Indonesia. The location is renowned for its unique landscape–where volcanic remnants dramatically meet the ocean. The Komodo Dragon is the most famous animal living in the area. While the region's geological history undoubtedly encompasses a series of complex events, its regional geology has received little of the attention it deserves. This paper explores the geology of Labuan Bajo: the diverse rock formations, which consist of volcanic and carbonate sediments.The oldest rock encountered in the area is the Miocene volcanic rocks. Quaternary volcanics, which is the youngest unit, dominated the area. Columnar joints occur in some areas, indicating lava activities. Mio-Pliocene carbonates are common in the area. A cave system developed in the carbonate unit and the erosion processes develop unique shapes.

Page 29 of 29 | Total Record : 282

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