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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 7 Documents
 1 
Search results for , issue "Vol 21, No 1 (2011)" : 7 Documents clear
Paleosols as An Alternative Method to Define Sequence Boundary in Fluvial System: A Case Study in Semberah Field, Kutei Basin Edy Kurniawan
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6870.69 KB) | DOI: 10.51835/bsed.2011.21.1.210

Abstract

Difficulties in reconstructing sequence stratigraphic framework of the Semberah Area, East Kalimantan, have brought up an idea to use paleosols to solve the problems. The Semberah Area has dominantly fluvial deposits, which are characterised by the presence of many erosional channel bases. In a vertical sequence, the erosional channel base cannot be easily distinguished from a sequence boundary, therefore, in order to help in sequence stratigraphic interpretation, a research on paleosols of the Semberah Field, Kutai Basin, has been undertaken.The research mostly utilizes outcrop data above the Semberah Field, where the equivalent of the producing units is exposed. The outcrops are correlated to subsurface well data (logs and cores) and seismic lines to analyze their significance in the Sequence Stratigraphic Framework. A total of 21 outcrops have been described sedimentologically and subsequently investigated for their paleosol occurrences. The research documents 52 discreet occurrences of paleosols in the Semberah outcrops with individual paleosol thickness ranges from 25 to 225 cm. The results of the research show that paleosols are found ubiquitously in deltaic sediments in the Semberah Field. The common distributions of paleosols in the Semberah area consist of Argilisol 16%, Histosol 16%, Oxisol 8%, Protosol 6%, Spodosol 50% and Vertisol 4%. The Gleysol, Calcisol and Gypsisol are not found. The occurrence of paleosols within a Highstand Systems Tract (HST) is 70.6% well-developed with maturity varies from weak to moderate (stage 2 to 4). The low accommodation space supports paleosols to develop well with its upper boundary most likely is associated with sequence boundary. The paleosol distribution within an Incised Valley Fill (IVF), Lowstand System Tract (LST) and Transgressive Surface of Erosion (TSE) are very well developed with percentage of their occurrence as 3.9%, 1.9% and 1.96% with their maturity varies from moderate to strong (stage 4 to stage 5). In general, they will associate with an erosional channel base known as sequence boundary at the bottom end border. Paleosols are not found in the beginning of Transgressive System Tract (TST) in Semberah area which is commonly characterized by the occurrence of Hydromorphic Paleosol. During the Transgressive System Tract (TST), the paleosols are not well developed or even obstructed with percentage of their occurrence within the area as 21.5% and the maturity varies from stage 2 to stage 3.
The Relic Fluvial-Dominated Morphology of Mahakam Delta Salahuddin Salahuddin
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1131.201 KB) | DOI: 10.51835/bsed.2011.21.1.206

Abstract

The Mahakam Delta lies at the mouth of the Mahakam River on the east coast of Kalimantan, about 50 km south of the equator. Geologically, the delta is located in the Kutai Basin, one of the major hydrocarbon provinces of Indonesia since the end of the 19th century.This short article attempts to present another sedimentologist’s point of view on looking at the deltaic morphology, as supported by quantitative analysis of controlling factors. Primary data on submerged morphology of the Mahakam Delta was detailed by 381 bathymetric echosounder (using a single frequency portable Raytheon DE719D MK2) survey lines that transversed all the channels as far as 10 kilometers to the offshore, with an accuracy of about 0.5% of the indicated depth, collected during two years from 2003 to 2004.
East Kalimantan Program Herman Darman
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2371.344 KB) | DOI: 10.51835/bsed.2011.21.1.211

Abstract

The East Kalimantan Programme (EKP) aims to enhance and support long term scientific cooperation in coastal zone research between research groups from Indonesia and the Netherlands.The Research Cluster: "Upsetting the balance in the Mahakam Delta : past, present and future impacts of sea-level rise, climate change, upstream controls and human intervention on sediment and mangrove dynamics" is one of the clusters that is funded within the EKP programme.
Influence of Hinterland Bedrock Lithologies on Aspect of Borneo's Deepwater Fold and Thrust Belt Andrew Cullen
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2692.887 KB) | DOI: 10.51835/bsed.2011.21.1.207

Abstract

Each of the catchment areas of Borneo’s major river systems has distinct differences in their bedrock lithologies. As the provenance for the sediments delivered to the deepwater depositional systems, these lithological variations in the hinterland are an important consideration when predicting high quality turbidite reservoirs as they influence compaction and diagenesis. This paper examines these issues for the Baram, Sandakan, Tarakan, and Kutei Basins. Additionally, the role of hinterland bedrock composition of the Baram and Padas Rivers is considered in terms of influencing along strike changes in the structural style of the Northwest Borneo deepwater fold and thrust belts.
Book Review: Geological Excursions Around Miri, Sarawak 1910-2010 Celebrating The 100th Anniversary of the Discovery of The Miri Oil Field Herman Darman
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (392.213 KB) | DOI: 10.51835/bsed.2011.21.1.212

Abstract

Geological Excursions Around Miri, Sarawak1910-2010 Celebrating The 100th Anniversary of the Discovery of The Miri Oil FieldAuthors:Mario Wannier, Philip Lesslar, Charlie Lee, Han Raven, Rasoul Sorkhabi, Abdullah IbrahimPublished in 2011
Field Trip: Channel-Levee Facies and Sea Floor Fan Lobes in the Turbidites of Lower Kutei Basin, East Kalimantan Irfan Cibaj
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6780.203 KB) | DOI: 10.51835/bsed.2011.21.1.208

Abstract

Recently open outcrops in the lower Kutei basin have been interpreted as slope turbidites. The new outcrops show channel-levee complexes. The sandstone bodies are mostly constituted by mass flows and debris flows which pinch out in short distance to thin bedded turbidites and silt shale alternations. This is interpreted as the transition from channel margin to levees. Channels are filled in general by thick mass flow deposits.A detailed geometry of sandstone reservoirs in slope turbidite channel – levee complexes is described. Precise measurements of different architectural elements of the complexes are carried out in field outcrops. Two outcrops will be the object of this paper. One of them shows sea floor lobe and the other shows channel levee complexes in a slope.
A Simplistic Approach in Estimating Paleo- Bathymetry by Using Seismic Stratigraphic Features in Fluvial-Dominated Delta Agus Susianto
Berita Sedimentologi Vol 21, No 1 (2011)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (908.672 KB) | DOI: 10.51835/bsed.2011.21.1.209

Abstract

The advance of high resolution 3D seismic technology has enabled much detailed imaging not only for structural features, but also for detailed stratigraphic features. If we squeeze a little bit more out of seismic data, it can provide us some important information. Seismic stratigraphy analysis in a prograding delta setting can deliver simple yet useful tool in understanding the geological and depositional aspects from seismic data. Recognizing unique seismic stratigraphic pattern of each part of delta and their chronostratigraphic correlative unit will allow us to understand the depositional relief of ancient delta sequence observable in seismic. This article discusses how to do simple estimation of paleobathymetry in a fluvial dominated delta and its limitation. This is a little effort to make seismic interpretation more meaningful and much more fun.

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