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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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A Study of Neogene Sedimentary Outcrops of the Greater Miri Area - Can Clay Gouging Be Calibrated in Outcrops and Shallow Subsurface Boreholes? Franz L. Kessler; John Jong
Berita Sedimentologi Vol 39, No 1 (2017)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3133.194 KB) | DOI: 10.51835/bsed.2017.39.1.86

Abstract

The greater Miri area offers particularly well-exposed world-class examples of fault geometry and clay gouging. Such information offers good material for studying fault architecture and clay smear morphology, and help to understand fault seal mechanisms in the subsurface. Recent studies on fault and clay gouging in the Neogene sedimentary rocks of greater Miri area show a variety of fault geometries of both abrasive-type and shear-type. In a Nippon Oil-sponsored study carried out in Curtin University, fifteen (15) core holes were drilled through clay-gouged fault planes at three outcrop locations. Cores of the formation were taken, and the drilled holes were then pressurized by water injection for packer testing. The performed leak-off test results were somewhat surprising - weathered Neogene sediments of the Miri and Tukau formations offered little or no pressure retention in fault zones and host rock alike, and leak-off fracturing occurs already at 1.25 bar. The rock mechanics of weathered rock might be very different from fresh rock, and may offer little or no insight into those of virgin rocks. Therefore, weathered rock properties may not be suitable for subsurface fault seal simulation studies.
Alluvial Tin Mining on Bangka Island Mark Csar
Berita Sedimentologi Vol 14, No 1 (2000)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2220.575 KB) | DOI: 10.51835/bsed.2000.14.1.255

Abstract

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Seismic Expression of Tectonic Features in the Lesser Sunda Islands, Indonesia Darman, Herman
Berita Sedimentologi Vol 25, No 1 (2012)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2251.009 KB) | DOI: 10.51835/bsed.2012.25.1.171

Abstract

The Sunda Arc is a chain of islands in the southern part of Indonesia, cored by active volcanoes. The western part of the Sunda arc is dominated by the large of Sumatra and Java, and is commonly called "the Greater Sunda Islands‟. The tectonic terrain within this part is dominated by the oceanic subduction below the southeastern extension of the Asian continental plate, which is collectively known as the Sunda Shield, Sunda Plate or Sundaland. Towards the east the islands are much smaller and are called "the Lesser Sunda Islands‟. The transition from oceanic subduction to continent-island arc collision developed in this area, while further west the Banda Arc marks full continent to island arc collision between Australia and the Asian plate. The Australian lithosphere, which is interpreted as Precambrian continental crust is moving northward at a rate that currently varies from 6.7 to 7 cm/year.The Sunda Arc has long been considered as a classical accretionary margin system where the Indo-Australian oceanic plate is underthrust beneath the Asian Continent, active since the Late Oligocene. At the eastern end of the Sunda Arc the convergent system changes from oceanic subduction to continent island arc collision of the Scott Plateau, part of the Australian continent, colliding with the Banda island arc and Sumba Island in between.The Lesser Sunda Islands are also called the inner-arc islands. The formation of these islands is related to the subduction along the Java Trench in the Java Sea. The island of Bali marks the west end of the Lesser Sunda Islands and Alor Island at the east end. To the south of the inner-arc islands, an accretionary wedge formed the outer-arc ridge. The ridge is subaerially exposed in the east as Savu and Timor Island. The northwest of the Lesser Sunda Islands are underlain by a Late Cretaceous Accretionary Crust, which changes to an oceanic crust in the northeast. The Sumba Island has a unique orientation and the origin of the island is still debated.The aim of this article is to provide a broad overview about the structures of the tectonic units based on some selected seismic lines. These lines also give a better geological understanding, including recent processes that developed in the area.
Stratigrafi dan Evolusi Tektonik Pulau Tanahjampea dan Sekitarnya, Kabupaten Selayar, Sulawesi Selatan Agus Guntoro
Berita Sedimentologi Vol 4, No 1 (1997)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2443.734 KB) | DOI: 10.51835/bsed.1997.4.1.308

Abstract

Pulau Tanahjampea, dengan luas sekitar 150 km2, adalah salah satu dari rangkaian Kepulauan Laut Flores, dan secara geografi terletak di antara Sulawesi Selatan dan Pulau Flores. Pulau Tanahjampea dibatas oleh 120°33' - 120°46' BT dan 7°-7°8' LS, dan dicirikan oleh perbukitan bergelombang yang terjal-sedang. Ketinggian berkisar dari 0-500 m di atas permukaan laut. Bukit tertinggi terletak di tengah pulau dengan ketinggian sekitar 520 m.Laporan geologi tentang Tanahjampea dan sekitarnya dilaporkan pertama kali oleh Hetzel (1930), yang kemudian hasilnya disimpulkan oleh van Bemmelen (1949). Hasil dari penyelidikan tersebut menunjukkan adanya persamaan dari batuan-batuan granit yang ada di Tanahjampea dengan apa yang ada di Flores walaupun umur dari batuan tersebut tidak dapat dipastikan. Penyelidikan selanjutnya dilakukan oleh Team Geologi dari Pusat Pengembangan dan Penelitian Geologi (P3G) Bandung. Hasil dari penelitian tersebut telah dipublikasikan dalam bentuk Lembaran Peta Geologi Lembar Bonerate.Penyelidikan geologi di pulau tersebut dan sekitarnya dilaksanakan pada bulan Juni-July 1993 sebagai bagian dari pemetaan geologi dan gaya berat di Kepulauan Laut Flores yang merupakan projek penelitian dari studi S3 di University of London.Tulisan ini membahas batuan sedimen yang terdapat di Pulau Tanahjampea dan proses-proses tektonik di daerah tersebut.
The Sedimentary Record of Paleogene Sequences in Sarawak, Malaysia Franz L. Kessler; John Jong; Mazlan Madon
Berita Sedimentologi Vol 47, No 1 (2021)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2923.108 KB) | DOI: 10.51835/bsed.2021.47.1.52

Abstract

In this paper, we compare the oldest Tertiary sedimentary sequences in the south ern margin of the South China Sea based on outcrop and well data along the Sarawak margin, northern Borneo. Paleogene rocks in Sarawak are present in three tectono stratigraphic zones and represent three depositional settings. Outcrops and deep exploration wells in the Miri Zone indicate shelfal clastics, carbonates, and clay dominated neritic sediments. In the Sibu Zone (Rajang Fold Thrust Belt), Late Cretaceous to Late Eocene deep marine clastic sediments indicate a shallowing upward of the depositional basin, which was later buried to great depths (?) and metamorphosed. In the Kuching Zone, the Kayan and Plat eau sandstones represent a fluvial dominated non marine depositional setting. There are two major unconformities within the Paleogene of Sarawak: the Rajang Unconformity, dated as approximatively 37 Ma, and the younger near Top Eocene (a.k.a. Base Oligocen e) unconformity of 33.7 Ma. The likely presence of Eocene strata in the margins of Sundaland is associated with an early phase of regional extensional tectonism, which was also observed in the Penyu and Malay basins, offshore Peninsular Malaysia, and is probably related to the onset of rifting of the South China Sea continental crust.
Integrated Ichnology and Sedimentology for Facies Analysis Erie Arifullah
Berita Sedimentologi Vol 19, No 1 (2004)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3320.802 KB) | DOI: 10.51835/bsed.2004.19.1.222

Abstract

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Cover, Table of Contents, and Introduction to Volume Berita Sedimentologi
Berita Sedimentologi Vol 29, No 1 (2014)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2176.31 KB) | DOI: 10.51835/bsed.2014.29.1.139

Abstract

Cover, Table of Contents, and Introduction to Volume
Significance of Skull IX in Asian Paleoanthropology Yousuke Kaifu
Berita Sedimentologi Vol 47, No 3 (2021)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.786 KB) | DOI: 10.51835/bsed.2021.47.3.354

Abstract

Skull IX (Tjg-1993.05) was found in Sangiran, Central Java, in 1993, and is now stored at the Institute of Technology, Bandung. It is a remarkably complete fossil cranium of Homo erectus. It is one of the six H. erectus crania from the early Pleistocene of Java that preserves a nearly complete vault and is the third Javanese H. erectus crania with a substantial part of the facial skeleton preserved. After preliminary studies by late Prof. Sartono and other researchers, our team, led by Prof. Yahdi Zaim, had an opportunity to re-reconstruct and fully describe the specimen during 2008-2010. In this paper, I introduce how we corrected the distorted original reconstruction and summarize the specimen’s implications for the Homo erectus evolution in and outside Indonesia. Skull IX closely resembles Sangiran 17 and other Javanese H. erectus crania from the same stratigraphic level. The neurocranium of Skull IX is slightly smaller than the so-far-recorded smallest cranium from this zone, suggesting this individual was female. The face exhibits some “Asian” features, which highlights regional variation in Afro-Asian archaic members of Homo.
Seminar Report FOSI-IAS-SEPM Regional Seminar: Past and Present Sedimentation in Tropical Region Barry Majeed Hartono; Ahmad Najili
Berita Sedimentologi Vol 42, No 1 (2019)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3093.127 KB) | DOI: 10.51835/bsed.2019.42.1.77

Abstract

Tropical sedimentations are unique. The “unique” term that given for tropical sedimentation is because that this sedimentation is affected by climates, vegetation, and high rate of weathering. The understanding of recent and modern tropical sedimentation can be used to study the sedimentation happened in the past. So studies about tropical sedimentation hopefully could help and improve the understanding of oil and gas exploration or coal exploration.FOSI 3rd Regional Seminar was held first September in Grha Sabha Pramana (UGM Conference Centre) Yogyakarta, Indonesia. Indonesian Sedimentologist Forum (FOSI) together with International Sedimentologist Association (IAS) and Society of Sedimentary Geology (SEPM) organized the joint Seminar. This Seminar was held also as a follow up from lecture (FOSI special meeting) in 2016 that was given by Prof. Poppe de Boer (Utrecht University) and Ir. Herman Darman (FOSI) in Gadjah Mada University (UGM).
Turbidite Plays of Indonesia: An Overview Herman Darman
Berita Sedimentologi Vol 15, No 1 (2001)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3632.632 KB) | DOI: 10.51835/bsed.2001.15.1.246

Abstract

In the last decade significant advances in geologic understanding and exploration technology in Indonesia continue to reduce the risks associated with exploration and development in turbidite plays. New plays are defined based on recently acquired seismic and well data. Turbidite is becoming a very important play in Sumatra, Kalimantan, Java, and Irian.This paper will give a summary of the latest development on the geological concepts of the deep-water successions in Indonesia based on exploration data.

Page 23 of 29 | Total Record : 282

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