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All Journal Bulletin of Scientific Contribution : Geology AL KAUNIYAH Jurnal RISET Geologi dan Pertambangan Journal of Geoscience, Engineering, Environment, and Technology BULLETIN OF THE MARINE GEOLOGY Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan Journal of Geosciences and Applied Geology
Lia Jurnaliah
Fakultas Teknik Geologi, Universitas Padjadjaran
Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology Physics

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Journal : Journal of Geosciences and Applied Geology

 1 
Evidence of Pliocene-Pleistocene Unconformity in eastern Bogor Trough, Sumedang-West Java Syaiful Alam; Yoga Andriana Sendjadja; Lia Jurnaliah; Kurnia Arfiansyah Fachrudin; Reza Mohammad Ganjar Gani
Journal of Geological Sciences and Applied Geology Vol 3, No 1 (2019): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v3i1.21528

Abstract

AbstractRecent measuring stratigraphic observation in Cikandung River has revealed the Late Pliocene stratigraphic and tectonic event. Research area is located in easter Bogor Trough. Previously, it was stated controversially pertaining to the stratigraphic relationship between Kaliwangu and Citalang Formations. The outcrop-based remark has never been explained, slightly intuitive. Making strike and dip measurements and stratigraphic analysis using tape and compass traverse were done to unveil the role of Plio-Pleistocene tectonic regime in stratigraphic-filling of the basin. Strike azimuths recorded from several locations of Citalang and Kaliwangu Formations show angular geometry and both of those sedimentary facies within formations indicate the significant and rapid change in depositional process. But interestingly, the angular geometry is only founded in the southern part of study area. To the north, angular relationship becomes parallel. This geometrical distribution implies the strong influence of tectonic regime in Late Pliocene interval. The evidence from outcrops observation conclude the unconformity between Citalang and Kaliwangu Formations. Keywords: Stratigraphic unconformity, Citalang and Kaliwangu Formations, Plio Pleistocene Tectonic
SMALL BENTHIC FORAMINIFERA AS AN INDICATOR OF PALEOTSUNAMI IN UJUNGKULON, BANTEN PROVINCE, INDONESIA Ria Fitriany; Lia Jurnaliah; T. Y. Waliana Muda Iskandarsyah
Journal of Geological Sciences and Applied Geology Vol 3, No 1 (2019): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v3i1.22241

Abstract

Research area is located at 1050 27” 6,99” E and  60 50’ 1,29” S. The purpose of this research is to know the diversity of small benthic foraminifera on “X” core, Ujung Kulon, Banten Province, Indonesia.  Sixteen sediment samples (paleotsunami deposits) from research area were analyzed to collect small benthic foraminifera. Sediment samples are coastal sediment that were taken from one drill point by using shallow drill to a depth 240cm from the ground. Sampling for analyses small benthic foram was conducted in each layer sediment. At this stage, sequence of layers and the thickness of sediment were observed. In order to separate the sediments and the foraminifera, sediment samples were treated using Hydrogen Peroxide method. Small benthic foraminifera data is collected by using quantitative method. The number of species and individuals were counted in every 1 gram dry sample. Analyses of small benthic foraminifera shows there are 55 species small benthic foraminifera and 43.866 specimen. The dominance species is Planulina wuellerstorfi which is a deep marine species. Furthermore, The Sannon-Wiever diversity index of all sample are low. It can be concluded that was a paleotsunami.  
Co-Authors . Solihin A. Helman Hamdani Abdurrokhim ⠀ Adjat Sudradjat Adjat Sudrajat Budi Muljana Catur Purwanto Dedy Kurniadi Dhanu Elfitra Djadjang Jedi Setiadi Evan Faiz Danendra FADHILAH NUR RISMAYANA Faizal Muhamadsyah Hana Morina Ildrem Syafri Ildrem Syafri Kurnia Arfiansyah Fachrudin LILI FAUZIELLY Lili Fauzielly Luli Gustiantini Mochammad Nursiyam Barkah Mohamad Solihin MUHAMAD AGAM SUBAGJA Novianti Wahyuni Purasongka Rachman, Rizki Satria Rahmat Fakhrudin - Rani Izdihar Hanifah Reza Mohammad Ganjar Gani Ria Fitriani Ria Fitriani Ria Fitriany Rina Nurani Rina Zuraida Rodrigo Osvaldus Roebiyanto Kapid Roebyanto Kapid Sangmin Hyun Shaska R. Zulivandama Siti Mulia Nurul Aswad Swasty Aninda Piranti Syaiful Alam Syaiful Alam T. Y. Waliana Muda Iskandarsyah Theo Alfredo Ravandi Winantris Winantris Yoga Andriana Sendjadja Yuyun Yuniardi