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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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Sedimentary Basins of Indonesia: Outline and Thickness Variation Understanding Herman Darman; Doddy Yuliong B.A.
Berita Sedimentologi Vol 45, No 1 (2020)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2584.539 KB) | DOI: 10.51835/bsed.2020.45.1.48

Abstract

Offshore petroleum exploration in Indonesia began in late 1960’s and thereafter a significant number of seismic data sets were acquired. Based on these data, several basin outline maps were generated such as those published by Hamilton (1974), BEICIP FRANLAP (1992), and Sujanto (1997). Based on these data sets, 60 sedimentary basins were officially recognized by the Government of Indonesia (Sunarjanto et al., 2007 included in 2008 publication). The outlines of the basins were used as a reference by government officials and the petroleum industry. Recently, the Geological Agency published a map which shows 128 sedimentary basin outlines in Indonesia. Unfortunately, these maps were not accompanied with supporting subsurface data.The understanding of those sedimentary basins is very important for petroleum exploration, as they are basically the places to find hydrocarbons. Petroleum potential within a basin is related to its sediment accumulation and tectonic history. Critical petroleum system elements such as source rocks, reservoir and seal mainly comprise sedimentary rocks. The order of deposition, quantity of sediments and basin history will control the effectiveness and quantity of hydrocarbon generation in a particular basin.This article will go through the history of various basin outline maps and aim to provide additional information, such as basement depth, to give further detail on the basins in Indonesia. There are some detailed maps which show the distribution of oil and gas fields, which are obviously related to sediment thickness.
Tectono-stratigraphic Evolution of the Simeulue Forearc Basin, NW Sumatra Edyta Frankowicz
Berita Sedimentologi Vol 20, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (409.534 KB) | DOI: 10.51835/bsed.2011.20.1.218

Abstract

This paper presents a tectono-stratigraphic evolutionary model for the Simeulue forearc basin. The Simeulue basin is located offshore NW Sumatra and it is bounded to the west by Simeulue Island and the dextral strike-slip (transpressive) Mentawai Fault System. The basin extends over 260 km in NW-SE direction and 100 km in SW-NE direction. It consists of a deep water area with maximum water depth of approx. 1300 m and contains up to 6 sec TWT of Neogene sediments, most of which are siliciclastics expected to have been derived from Sumatra mainland. The Miocene carbonate build-ups have been the main hydrocarbon exploration target in the basin.
A Revision of the Biostratigraphy and Strontium Isotope Dating of Oligocene-Miocene Outcrops in East Java, Indonesia Essam F. Sharaf; Marcelle K. BouDagher-Fadel; J.A. (Toni) Simo; Alan R. Carroll
Berita Sedimentologi Vol 30, No 1 (2014)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2011.146 KB) | DOI: 10.51835/bsed.2014.30.1.134

Abstract

The biostratigraphic ranges of identified larger benthic and planktonic foraminifera from Tertiary exposures in East Java Basin have been tied to the ages constrained from the Strontium isotope dating of some of the most abundant large benthic foraminifera. Foraminiferal assemblages and Strontium data have provided precise age ranges of the different stratigraphic units. The age of the exposed Lower Kujung Formation is late Early Oligocene (Rupelian P20) to Late Oligocene ( Te1-4), equivalent to 28.78- 28.27 Ma). The age of the exposed Upper Kujung Formation is Late Oligocene, Chattian ( P22, Te1-4) to Early Miocene (Aquitanian, N5a, Te5), equivalent to 24.31- 23.44 Ma. The age of the exposed Tuban Formation is late Early Miocene, (Burdigalian) to Middle Miocene (Langhian, N5b-N9, Te5-Tf1), equivalent to 20.80- 15.25 Ma. The age of the exposed Ngrayong Formation is late Middle Miocene (Serravallian, N12-N13, Tf2), equivalent to ~15.0- ~13.0 Ma. Age boundaries between the lithostratigraphic units were determined as: Upper Kujung- Tuban (22 Ma), Tuban-Ngrayong (15.25 Ma) and Ngrayong -Bulu Member of the Wonocolo Formation (12.98 Ma).
Ulasan Singkat Buku: High Resolution Stratigraphy Berita Sedimentologi
Berita Sedimentologi Vol 8, No 1 (1998)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.64 KB) | DOI: 10.51835/bsed.1998.8.1.285

Abstract

Editor: E.A. Hailwood and R.B. KiddPenerbit/tahun: Geological Society, Special Pub. no. 70, 1993Keterangan: 357 halaman, sampul kerasHarga: £58 (normal), £35 (lewat FOSI)
Abstract: Structural Styles of the West Sulawesi Deep- Water Fold and Thrust Belt, Makassar Straits, Indonesia Jose de Vera; Ken McClay
Berita Sedimentologi Vol 22, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (299.638 KB) | DOI: 10.51835/bsed.2011.22.1.200

Abstract

The offshore margin of West Sulawesi (eastern Makassar Straits) is characterized by an active, Late Miocene/Early Pliocene to present day, NE-SW-trending and NW-verging deepwater fold and thrust belt. The fold and thrust is approximately 250 km long and as much as 75 km wide and consists of an Oligocene to present day succession that was deposited on subsiding, thinned, rifted continental crust and is now deformed by SW-to NE-verging thrust faultrelated folds deformed on multiple detachment layers. Based on the across strike variations in structural style and bathymetry changes, the West Sulawesi fold and thrust belt can be divided into five across-strike main structural domains. From northwest to southeast these are: the abyssal plain, the deformation front, the folded domain, the thrust domain and the inversion domain. The abyssal plain is solely deformed by Pliocene to Pleistocene, low-displacement, planar extensional faults, which are interpreted to be the result of flexural subsidence ahead of the advancing thrust front. The structural styles of the deformation front are strongly controlled by inversion of the Pliocene to Pleistocene extensional faults. Inversion of pre-existing faults controls fault localization and fold vergence, giving rise to complex wedge and triangle zone geometries.The structural styles of the folded and thrust domains are characterized by complex NW- to SE-trending detachment and fault-propagation folds, with multiple detachment levels developed in Oligocene and Miocene mudstones. The inversion domain is the innermost and oldest element of the thrust belt and consists of large anticlines that resulted from reactivation of Paleocene rift structures. The results presented in this work are based on the structural analysis of 3480 km of regional 2D seismic lines.The structural patterns described here have implications for understanding fault-fold geometries and growth in other deepwater fold and thrust belts.
Paleogene paleogeographic reconstructions of the Kutai Basin: Refinement based on outcrop and subsurface data Darman, Herman
Berita Sedimentologi Vol 49, No 1 (2023)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2023.49.1.397

Abstract

The Kutai Basin is a Cenozoic sedimentary basin located in the eastern part of Borneo Island. Many studies were done on the eastern part of the basin, which is dominated by Neogene sediments. The west margin of the basin is outcropped onshore and to the east, the basin opens up to the Makassar Strait. Paleogene and older rocks outcrop in the west margin of Kutai Basin. The terrain and the access to the area are difficult and no significant hydrocarbon discovery was made in Paleogene sediments up to now.This study revisited the field works completed in the 1970s by a Shell team, which focused on the Paleogene section of the Kutai Basin. The result was integrated with later studies, and altogether were synthesized into a series of paleogeographic maps. A new set of paleogeographic maps is proposed in this paper, for Middle Eocene, Late Eocene, Early Oligocene, and Late Oligocene levels. The works included in this study comprised outcrop observations, biostratigraphy analysis of the samples and limited seismic in parts of the area. The results were integrated with other more recent work to build the new set of Paleogene paleogeographic maps.Outcrops data and well information show the distribution of shallow marine sediment in the Middle Eocene time with some fluvial input from the north and southwest of the basin. In the Late Eocene, some carbonates developed in the north of the basin. During Early Oligocene, the carbonate complex developed both in the south and in the north of the basin. In the Late Oligocene, the carbonate in the south became more stable. Through Paleogene time the center of Kutai Basin was dominated by the bathyal section.
A Discussion on the relationship between prominent unconformities on the SCS shelf margins and the end of seafloor spreading in the South China Sea Kessler, Franz; Jong, John
Berita Sedimentologi Vol 49, No 1 (2023)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2023.49.1.396

Abstract

In an effort to reconcile different data sources (seafloor spreading, seismic and gravity images, well calibrations, outcrop studies) in the South China Sea (SCS), we reviewed the unconformity records, in particular in the context with the shut-off of seafloor spreading in the SCS. With respect to the start of spreading, there is a consensus: ca. 34-41 Ma.  Recent data infer an end of spreading, near to the magnetic Anomaly 5 = ca. 15.5 Ma (Langhian age). In Northwest Borneo, it is suggested that this event is coeval with the Deep Regional Unconformity (DRU) in Sabah and Brunei, and the Mid-Miocene Unconformity (MMU) in Sarawak. The MMU is also recognized in offshore Vietnam and Palawan, on the Western and Southeastern margins of the SCS, respectively. The MMU/DRU may constitute the border between active margin and passive margin deposits within the marine SCS sub-basins. The progradation of clastic shelves post-MMU/DRU may have hampered growth of bioherms whilst creating prolific sandstone reservoir sequences offshore Northwest Borneo and Vietnam.
Cover and Front Matter Berita Sedimentologi
Berita Sedimentologi Vol 49, No 1 (2023)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2023.49.1.405

Abstract

Cover and front matter
‘Banda Terrane’ basement and cover in the Noil Meto River section, southern West Timor (Timor Barat, Nusa Tenggara Timur, Indonesia) Charlton, Tim Richard; Titu-Eki, Adept Talan
Berita Sedimentologi Vol 49, No 1 (2023)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2023.49.1.398

Abstract

A previously undocumented body of Mutis metamorphic complex is reported from the Noil Meto River, approximately 7km south of Soe town in southern West Timor. Cover sequences overlying the Mutis Complex include the Cretaceous Haulasi Formation (the upper element of the Palelo Group) which most likely has an unconformable relationship to the metamorphic complex; and (possibly) the Permian Maubisse Formation which may overlie the Mutis Complex with an unresolved stratigraphic or structural contact. This is the first substantial documentation of the Mutis Complex and the Palelo Group to the south of the Central Basin. These elements of the so-called Banda Terrane, widely considered allochthonous ‘Asiatic’ elements, are overthrust by Triassic-Jurassic cover sequences (Aitutu and Wai Luli Formations) of the Australian continental margin succession.
Late Cretaceous radiolarians from the Noni Formation, West Timor, Indonesia Munasri, Munasri; Harsolumakso, Agus Handoyo
Berita Sedimentologi Vol 45, No 1 (2020)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2020.45.1.426

Abstract

Late Cretaceous (Cenomanian–Turonian) radiolarian fauna was recovered from a single chert sample of the Noni Formation in the Miomaffo District of West Timor, which is generally viewed as part of the allochthonous ‘Banda Terrane’.  This fauna is characterized by the presence of Cryptamphorella conara, Diacantocapsa euganea,  Dictyomitra formosa, Dictyomitra montisserei, Guttacapsa biacuta, Stichomitra communis, Patelula verteroensis, Pessagnobrachia fabianii, Praeconocaryomma lipmanae and others. The character of the radiolarian fauna shows a close resemblance to those in South Sulawesi and is very different from age-equivalent radiolarian faunas in the ‘autochthonous’ southern foldbelts of West Timor (Kolbano) and Timor Leste (Viqueque). This report on the Late Cretaceous radiolarians in Timor attempts to identify the fauna, to clarify its age, and to indicate the paleogeographic origin of radiolarian-bearing chert of the Noni Formation.

Page 26 of 29 | Total Record : 282

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