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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 3 Documents
 1 
Search results for , issue "Vol 44, No 1 (2019)" : 3 Documents clear
Sedimentary Facies of the Upper Part of Tapak Formation in Banyumas Area, Central Java Ricky Andrian Tampubolon; Yan Rizal
Berita Sedimentologi Vol 44, No 1 (2019)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1715.742 KB) | DOI: 10.51835/bsed.2019.44.1.64

Abstract

The upper part of Tapak Formation in Kali Cimande of Banyumas area shows a good example of tidal flat succession. The interval consists of alternating sandstones, siltstone and mudstone that show a fining and thinning upward bedding pattern and includes sand flat, mixed flat and mud flat sedimentary facies. The sand flat facies is characterized by medium-grained sandstone, moderately sorted, with cross-lamination sedimentary structures and bioturbation trace fossils (Skolithos) found mostly on the top of sandstone layer. The mixed flat facies is characterized by an alternation of thin layered sandstones with mudstone and siltstone, with lenticular, wavy, and flaser sedimentary structures. This facies contains many forms of bioturbations, such as Planolites, Thallasinoides, Lockeia, and Ophiomorpha. The mud flat facies is characterized by repeated claystone and thin sandstone intercalation, where the ratio of clay content being more than 95 % of the total layers, and contains abundant Lockeia trace fossil. The Upper Tapak Formation in Banyumas basin has moderate reservoir potential.
Regional Overview of Orogenic Belts in Indonesia: Emphasis on the Occurrences of Thrust Wedge Systems Aldo Febriansyah Putra; Salahuddin Husein
Berita Sedimentologi Vol 44, No 1 (2019)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3879.248 KB) | DOI: 10.51835/bsed.2019.44.1.65

Abstract

Regional overview to the thrust wedge systems in Indonesia attempts to compile and review geologic settings related to the development of basement uplift and fold-thrust belts. Overview will be represented in orogenic belts of different geologic settings: Langsa Fold-Thrust Belt (North Sumatra Basin), Banyumas Fold-Thrust Belt (Western Central Java), Kutei Basin, West Sulawesi Fold-Thrust Belt (Lariang-Karama Basins and Makassar Straits), Offshore Northern Banggai-Sula, Misool-Onin-Kumawa Ridge, Berau-Bintuni Basins, and Lengguru Fuld-Thrust Belt. Key ideas and discussions encompass surface structural geology, geomorphology, and subsurface geology. Aiming to draw the big pictures, the integrated approaches will elaborate the relationship of thrust wedge system with strike-slip faulting as adjoining structural province. Geomorphology will be the basis to construct regional structural maps, while seismic images and regional cross-sections will contribute to subsurface reconstructions. Synthesis will highlight similarities on geomorphic features, associated structures to thrust wedge system, Pliocene – Recent as critical time to orogenic building in Indonesia, geodynamic significance of strike-slip faulting, and geodynamic settings related to thrust wedge system in Indonesia. Thrust wedge orogenic belts share curvilinear thrust faults traces and intensive folding near mountain front. On the other hand, associated structures to thrust wedge include synclinal feature in thrust front, detachment folds, and transpressive transtensional fault reactivation. Strike-slip faults may act as separate or associated structures in thrust wedge orogeny. Separate strike-slip faults can be observed as Sumatran Fault, Palu-Koro Fault, Balantak Fault, and Tarera-Aiduna Fault that act in response to slip partitioning or shift in deformation. Reactivated faults and tear faults are considered as associated structures to thrust wedge system. Thrust wedge system develops in both subduction and collisional tectonics.
Geodiversity of Ciletuh-Palabuhanratu UNESCO Global Geopark, Sukabumi, West Java Nugraha Ardiansyah; Katon Sena Aji Nugraha; Rinaldi Ikhram
Berita Sedimentologi Vol 44, No 1 (2019)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1136.241 KB) | DOI: 10.51835/bsed.2019.44.1.66

Abstract

Ciletuh-Palabuhanratu UNESCO Global Geopark (CPUGG) is located in the southwest of Sukabumi Regency, West Java, Indonesia. It covers an area of 126,000 ha or 1260 km2. CPUGG has several rare geodiversity features that can be classified into the theme: “The subduction zone uplifted, Ancient magmatic zone shifting and fore arc evolution”. This paper presents a summary of geodiversity features within CPUGG, Data sources are to be found on CPUGG’s website and in the scientific publications in the references. Within CPUGG 24 geosites contain one or more objects. All are of local, national, and international value. In addition, each geosite has also applications in scientific research, educational and touristic value or both. The geosites are: Cisolok Geyser (the only geyser in Indonesia), the Mega Amphitheatre (the Biggest Natural Amphitheatre in Indonesia), the Pasir Luhur Complex (Metamorphic Rocks) and the Gunung Beas Complex (Ophiolites). Some heritage sites contain rare rocks and fossils such as Ciletuh Formation (Batu Naga, Karang Daeu, etc.) the oldest sedimentary deposits in West Java.

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