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Berita Sedimentologi

FOSI
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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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Coal Seams within Eocene Tanjung Formation of the Barito Basin, Southeast Kalimantan: Sequence Stratigraphic Framework and Geochemical Constraints for Source Potential Awang H. Satyana; Margaretha Eka M.P.; Moh. Imron
Berita Sedimentologi Vol 17, No 1 (2002)
Publisher : Ikatan Ahli Geologi Indonesia

Significant coal seams intercalate the middle Eocene siliciclastic series of the Lower Tanjung Formation of the Barito Basin, Southeast Kalimantan. The formation can be identified as composed of the seven sequences representing synrift and postrift sediments. The coals occur in the three sequences of the postrift phase with the most regional and the thickest coal seams distribute in the transition between the synrift and postrift phases. The coals were deposited within the environments from paralic to upper deltaic settings in various systems tracts including the late lowstand to early transgressive, late transgressive to early highstand, and early highstand to middle highstand.Geochemical constraints are examined to see the possibility of the coals as sources for oil. The coals have excellent total organic carbon (TOC) of 44-73%, very good hidrogen index (HI) from 285-567 mgHC/gTOC (averagely 425 mgHC/gTOC) and high elemental hydrogen to carbon ratio (H/C) of 0.87 to 1.18 concluding that the coals are liptinitic and can generate oil. These values are much higher than the cut off values established for coal to act as oil source (HI of 200 and H/C of 0.80). Geochemical correlation using carbon isotope and biomarker fingerprinting results in positive correlation meaning that the Tanjung coals have sources the Tanjung oil. The coals may have substantial potential as sources of oil if the coals are volumetrically important.

Palaeocurrents and Provenance: Uplift History of the Meratus Complex, SE Kalimantan Duncan Witts
Berita Sedimentologi Vol 28, No 1 (2013)
Publisher : Ikatan Ahli Geologi Indonesia

The Barito Basin in southeast Kalimantan contains a thick sedimentary succession of Middle Eocene to Pleistocene age. The basin is separated from the much smaller Asem-Asem Basin by the Meratus Mountains – a complex of metamorphosed arc and ophiolitic rocks that record the accretion of East Java-West Sulawesi to Sundaland in the mid-Cretaceous. The complex was later uplifted during the Neogene. The uplift had a profound effect on the basin architecture, developing a foredeep along the emerging mountain front, and creating the present-day hydrocarbon plays of the basin. Thus, understanding the history of the Meratus uplift not only provides insight into the tectonic evolution of the basin, but also the development of the hydrocarbon system. Previous estimates of the age of uplift range from Middle Miocene to Late Miocene. Consequently, linking the uplift to regional tectonics has remained speculative. This article gives a very brief summary of palaeocurrent and provenance data, and makes reference to palynology results, that collectively aid our understanding of the Meratus uplift. The data were collected along the western flank of the Meratus Mountains during field and provenance studies between 2009 and 2011, as part of a PhD at Royal Holloway University, London. Additional data were collected during recent fieldwork with BP Indonesia, in association with Institut Teknologi Bandung (ITB), Indonesia.

The Manusela Limestone in Seram: Late Triassic Age for A ‘Jurassic’ Petroleum Play Tim R. Charlton; J.T. (Han) van Gorsel
Berita Sedimentologi Vol 31, No 1 (2014)
Publisher : Ikatan Ahli Geologi Indonesia

A well-known Mesozoic hydrocarbon exploration target in eastern Indonesia is the ‘Jurassic Limestone Play’, validated by the Oseil oilfield in NE Seram. However, there is no biostratigraphic evidence to support a Jurassic age for the Manusela Limestone that forms the reservoir in this play, while numerous paleontological studies on outcrops and wells instead document only Late Triassic faunas and microfloras.We here review the paleontological literature on Seram and suggest that the Manusela Limestone is of latest Triassic (Late Norian-Rhaetian) age, while the Early-Middle Jurassic interval is condensed or absent over the structural highs established as a result of the Manusela Limestone accumulation. This revised (but in reality 100 years old) age model fits well in Tethys-wide trends where sponge- and algae-dominated reefs blossomed during the Norian-Rhaetian from the Alps to NW Australia-Papua New Guinea, while a major extinction event at the end of the Triassic caused a collapse of carbonate reef systems globally, leading to a virtual absence of reefal limestones during the Early-Middle Jurassic.

Catatan dari Universitas Trisakti Mengenai Kunjungan Prof. Gerhard Einsele Agus Guntoro
Berita Sedimentologi Vol 7, No 1 (1998)
Publisher : Ikatan Ahli Geologi Indonesia

Kuliah yang diberikan Prof. Einsele dihadiri oleh hampir seluruh mahasiswa tingkat akhir jurusan Teknik Geologi, yang berjumlah sekitar 75 orang. Selain itu dihadiri pula oleh Ketua Jurusan dan dosen dari jurusan Teknik Geologi. Adapun waktu pelaksanaannya adalah pada tanggal 12 Desember 1997, jam 10-12, dan judul dari materi yang dibawakan adalah Denudation Accumulation System. Pada intinya kuliah tersebut menjelaskan hubungan antara proses denudasional yang dihitung secara kwantitatif dan membandingkan pengaruhnya terhadap proses dan pengendapan yang terjadi, khususnya pada daerah non-marine. Berbagai contoh, khususnya dari Himalaya ditampilkan melalui visualisasi yang sangat menarik. Selama dan sesudah kuliah tersebut beberapa kali pertanyaan diajukan oleh peserta dan diikuti dengan diskusi menarik. Di antara diskusi itu adalah mengenai pengaruh dari volkanisme dan juga iklim terhadap pengendapan yang terjadi, dan juga komposisi dari material yang dihasilkan. Menurut hemat kami kuliah tersebut sangat bermanfaat di dalam memberikan suatu wawasan baru bagi para mahasiswa dan juga para dosen untuk mendengarkan secara langsung keterangan yang diberikan oleh pakar di bidang sedimentologi ini.Diambil dari surat Dr. Agus Guntoro (dosen Univ. Trisakti) kepada Pengurus FOSI

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

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.

Enigmatic Sulawesi: The tectonic collage Baillie, Peter; Decker, John
Berita Sedimentologi Vol 48, No 1 (2022)
Publisher : Ikatan Ahli Geologi Indonesia

Sulawesi has a complex tectonic history that is affected by major plate re-organisations during the Cenozoic resulting in an extension-dominated setting in an overall setting of convergence of the Indo-Australian, Pacific and Philippine Sea, and Eurasian plates. It is a complex collage of disparate tectonic terranes brought into juxtaposition by a variety of tectonic processes which have occurred at very fast rates. The island is subject to a variety of geohazards related to earthquake and volcanic activity.

Seismic Expression of Key Geological Features in the East Natuna Basin Herman Darman
Berita Sedimentologi Vol 38, No 1 (2017)
Publisher : Ikatan Ahli Geologi Indonesia

The East Natuna Basin is located in the southern tip of the South China Sea. It is separated from the West Natuna Basin by a basement high called the Natuna Arch. The Bunguran Trough bounds the eastern side of East Natuna Basin from Sarawak Basin, offshore East Malaysia. The northern part of the East Natuna Basin has similar geological setting with the Nam Con Son Basin, offshore Vietnam.Petroleum exploration activity in this area is relatively low in comparison to it is in the West Natuna Basin. In 1973, Agip discovered Natuna D-Alpha gas field in the East Natuna Basin. The field contains more than 200TCF of gas, but unfortunately, the gas has 71% CO2. Recently, Premier Oil successfully tested the synrift play in the north of the region by drilling Kuda Laut-1 (2014) and then followed it up in the same year with drilling Singa Laut-1. The results also proved equivalent synrift play in the north within Vietnamese waters. A younger clastic play in the south of the East Natuna Basin was already proven earlier in 2012, by Black Platinum Energy (BPE) as a result of the Dara-3 and 4 drilling campaign.This article presents a summary of seismic sections published in the area with interesting geological features such as carbonate build-ups, synrift fault blocks and relatively simple anticlinal features at younger intervals. Other potential hydrocarbon accumulations are also discussed here.

Carlin-Style Sediment Hosted Gold Deposits Adi Maryono; Johan Arif
Berita Sedimentologi Vol 14, No 1 (2000)
Publisher : Ikatan Ahli Geologi Indonesia

Disseminated gold deposits have been known as an exploration target since the early 1960s when the Carlin deposit was discovered in the Great Basin, northeastern Nevada. Gold deposits of this style are characteristically very fine-grained. They were considered to be too low to be mined economically. low gold price and lack of processing technology to recover fine-grained gold from low-grade materials made this style of gold deposit unattractive.Development of processing technology for recovery of micron-sized gold and low to high bulk grade of the ore body has created an important exploration opportunity in the global gold search. Because of the ore body shape and metal distribution, many deposits of this style are amenable to open pit mining. These are the reasons why the average cash costs of most of sediment-hosted deposits are very competitive, which makes them an attractive target.A brief description in the following sections is mainly referred to some Carlin-style gold deposits in the Great Basin, Nevada, in which many researches have been done. In fact, it is the only Carlin belt, which is well known as one of the largest gold provinces and relatively well studied. Other less developed or under-explored Carlin trends may include South China Carlin trend in the Yunan Province and North Vietnam Carlin trend in the Caobang-Thai Nguyen-Lang Son Provinces, Vietnam.

Short Note: Well Rounded Kuta and Tanjung Aan Lombok Beach Sand Koesoemadinata, R.P.; van Gorsel, J.T.; Darman, Herman
Berita Sedimentologi Vol 25, No 1 (2012)
Publisher : Ikatan Ahli Geologi Indonesia

Coarse, well rounded carbonate sand grains are found in Kuta and Tanjung Aan beach Lombok. These kinds of sands are also common on Sanur Beach and other localities along the East coast of Bali, where many visitors believed them to be ooids (oolites). The grains are generally about 3-4 mm in diameter and well rounded. The colors of the grains are white to light-brownish white. In places they are mixed with coral remain and other small shells which are angular to sub-angular or sub-rounded to oval shape, with generally the same grain size or larger.

Ulasan Singkat Buku: Characterization of Deep Marine Clastic System Berita Sedimentologi
Berita Sedimentologi Vol 3, No 1 (1996)
Publisher : Ikatan Ahli Geologi Indonesia

Characterization of Deep Marine Clastic SystemEdited by: A.J. Hartley D.J. ProsserTahun penerbitan 1995240 halaman, 163 gambar, 25.5 x 17.5 cm, hardcover, index.

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Minarwan

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Forum Sedimentologiwan Indonesia (FOSI) Komisi Sedimentologi Ikatan Ahli Geologi Indonesia (IAGI) Jl. Ciledug Raya Kav. 109 Cipulir, Kebayoran Lama, Jakarta Selatan, Indonesia

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Minarwan

Contact Email minarwanx@gmail.com

Phone +6281908602813

Journal Mail Official bs.fosi@gmail.com

Editorial Address Forum Sedimentologiwan Indonesia (FOSI) Komisi Sedimentologi Ikatan Ahli Geologi Indonesia (IAGI) Jl. Ciledug Raya Kav. 109 Cipulir, Kebayoran Lama, Jakarta Selatan, Indonesia

Location Kota adm. jakarta selatan, Dki jakarta INDONESIA

Abstract

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Contact Name
Minarwan

Contact Email
minarwanx@gmail.com

Phone
+6281908602813

Journal Mail Official
bs.fosi@gmail.com

Editorial Address
Forum Sedimentologiwan Indonesia (FOSI) Komisi Sedimentologi Ikatan Ahli Geologi Indonesia (IAGI) Jl. Ciledug Raya Kav. 109 Cipulir, Kebayoran Lama, Jakarta Selatan, Indonesia

Location
Kota adm. jakarta selatan,

Dki jakarta

INDONESIA