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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 5 Documents
 1 
Search results for , issue "Vol 19, No 1 (2004)" : 5 Documents clear
Common Trace Fossils of the Deltaic and Turbidite Outcrops in Kutei Basin, East Kalimantan: A Field Note Herman Darman
Berita Sedimentologi Vol 19, No 1 (2004)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3190.284 KB) | DOI: 10.51835/bsed.2004.19.1.223

Abstract

The Kutei Basin is dominantly clastic Tertiary basin bounded by basement uplifts in the north, west and east. The basin is open towards the Makassar Strait in the east. The Paleogene sections of the basin were outcropped at the basin margin. In Muara Wahau area in the northern part of the basin, this section is dominated by turbidites with slump features. High variety and low quantity of trace fossils are found in the thin-bedded turbidites, mostly grazing structures and the assemblage suggest Nereites ichnofacies. The trace fossil associations suggest ocean basin environment of deposition and the biostratigraphic analysis indicates bathyal to abyssal zone. At the centre of the basin the Neogene deltaic sections cropped well in Samarinda area. there is high quantity of trace fossils but low in variety. Dwelling vertical burrows of Skolithos ichnofacies are dominant in this section. The trace fossil association suggests tidal zone with inner to outer neritic biostratigraphic environment.
The Use of Trace Fossils in Delineating and Interpreting Stratigraphic Discontinuities S. George Pemberton; James A. MacEachern; Murray K. Gingras
Berita Sedimentologi Vol 19, No 1 (2004)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8705.201 KB) | DOI: 10.51835/bsed.2004.19.1.224

Abstract

Trace fossils represent both sedimentological and palaeontological entities and as such, represent a unique blending of potential environmental indicators in the rock record. Trace fossils and trace fossil suites can be employed effectively to aid in the recognition of various discontinuity types and to assist in their genetic interpretations. Ichnology may be employed to resolve surfaces of stratigraphic significance in two main ways: 1) through the identification of discontinuities using substrate-controlled ichnofacies (i.e., the firmground Glossifungites ichnofacies, the hardground Trypanites ichnofacies, and the woodground Teredolites ichnofacies), and 2) through careful analysis of vertical softground (penecontemporaneous) ichnologic successions (analogous to facies successions). Integrating the data derived from substrate-controlled ichnofacies (so-called omission suites) with palaeoecological data from vertically and laterally juxtaposed softground ichnological successions greatly enhances the recognition and interpretation of a wide variety of potentially significant stratigraphic surfaces.
Course Review: Ichnology (Trace Fossils) Course Mariana Omar
Berita Sedimentologi Vol 19, No 1 (2004)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1711.726 KB) | DOI: 10.51835/bsed.2004.19.1.225

Abstract

Course Review: Ichnology (Trace Fossils) CourseBrunei Shell Petroleum, Seria (29th September-1st October 2003)By: S. George Pemberton (University of Alberta, Canada)
Biogenic Reworking of Tephra Layers in the South China Sea (Core MD972142) and the Celebes Sea (Core MD012388) Lowemark Ludvig; Chung-Hua Chen; Chih-An Huh; Teh-Quei Lee; Yuen-Ping Ku; Kuo-Yen Wei; Chih-Wei Chen; Tzu-Chien Chiu; Min-Te Chen
Berita Sedimentologi Vol 19, No 1 (2004)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6265.028 KB) | DOI: 10.51835/bsed.2004.19.1.226

Abstract

Bioturbation in oxic deep-sea settings is mostly considered, if considered at all, to consist of a 2-10 centimeters thick homogenized layer. The mixing of the sediment in this layer results in a smearing of any environmental signals analyzed. A number of mathematical approaches have thereenfore been proposed to estimate the extent of this smearing and smoothing and to deconvolute the records back into the original signal. However, in most cases the mixing of the sediment is heterogenous process consisting of several palimpsest steps of bioturbation. In this study, using X-ray radiographs of two cores from the South China Sea and the Celebes Sea, we show that discrete traces such as Scolicia, Thalassinoides, and Zoophycos account for a significant part of the redistribution of the material in tephra layers. Particles may be transported vertically over tens of cm and concentrated into discrete aggregations. The composition of the traces preserved also can be used to estimate the intensity and potential hazard of deep-reaching bioturbation. Deep-reaching burrows consitute a serious threat to high-resolution stratigraphy. It is therefore recommended that X-ray radiographs should routinely be made before sub-sampling the cores for paleoceanographical and paleoclimatological studies, especially before AMS-14C dating.
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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