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Berita Sedimentologi
ISSN : 08539413     EISSN : 2807274X     DOI : https://doi.org/10.51835/bsed
Core Subject : Science,
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.
Articles 1 Documents
Search results for , issue "vol. 40 no. 1 (2018)" : 1 Documents clear
Middle Miocene Depositional Environment Shift in the Tarakan Basin: Some Perspectives from the Onshore Simenggaris Area Isnianto Saputra; Tulus Wibisono; Avesta Y. Prasetya
Berita Sedimentologi Vol. 40 No. 1 (2018)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2018.40.1.83

Abstract

This paper aims to share ideas on the stratigraphic evolution of the Tarakan Basin based on data from the Simenggaris area, onshore NE Kalimantan. Various data sets were incorporated in order to get a robust and comprehensive interpretation, including well logs, cores, and paleontology and petrography analyses. Post-stack time migration 2D seismic data were utilized to generate isopach maps, which were then used as the framework for paleogeographic models.We concluded that the stratigraphic succession in the onshore Tarakan Basin consists of two major depositional environments, with the shift occurring during Middle Miocene. The most significant marker of depositional system transition was observed in the paleontology and lithofacies association. In the Eocene-Early Miocene, the fossils were dominated by foraminifera and by low energy sediments such as shale and limestone with some tuff were also present, typical of a marine depositional system. Meanwhile, in the upper Middle Miocene to Pliocene, the fossils were dominated by pollen species and by siliciclastic sediments like sandstone, shale and coal, which were interpreted as a deltaic depositional environment.

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