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Journal : METAMORFOSA Journal of Biological Sciences

Umur, Lingkungan Pengendapan, dan Karakteristik Fosil Palinomorf Formasi Batuasih, Sukabumi, Jawa Barat Rizki Satria Rachman; Winantris Winantris; Budi Muljana
Metamorfosa: Journal of Biological Sciences Vol 8 No 2 (2021)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2021.v08.i02.p04

Abstract

Palynomorph is a dust-sized material that is resistant to strong acids which can reflect the age and environmental conditions when a rock was formed. Batuasih Formation is one of the oldest rock formations in Bogor Basin which is rarely interpreted, especially from its palynological aspect. This study aims to see palynomorph characteristics, relative age, and environmental conditions in Batuasih Formation. There are several steps in conducting the research. Field activities by measured stratigraphic sections and sampling every 5-meter intervals or each lithological changes, laboratory activities by sample preparation using acid treatment method, identification were carried out using CX-22 binocular microscope, and laboratory analysis of age and depositional environment is drawn based on palynomorph associations that are present in rocks. The result found that palynomorphs were present in 8 of 10 samples (B.1, B.2, B.4, B.6 - B.10). One hundred seventy-three palynomorphs identified to consist of 20 different species. Dominant pollen came from genus Proxapertites, both Proxapertites operculatus, Proxapertites cursus, and Proxapertites psilatus. While dominant spores came from Verrucatosporites usmensis. Apart from pollen and spores, Palynomorphs in the form of dinoflagellates and foraminifera test lining are also present in this formation. Palynomorph analysis shows that Batuasih Formation has Late Eocene - Early Oligocene age (41.2 - 27.8 Ma) with transitional depositional environment.
Co-Authors . Solihin, . ADI, GILANG PERWIRA Agustina Djafar Anita Galih Ringga Jayanti Arya, Pulung P Astriandhita, Karina Melias Aswan Aswan Bani Nugroho, Bani Budi Muljana Danendra, Evan Faiz Ellin Harlia Emi Sukiyah Erick Setiyabudi Fatih, Rayhan Faurine, Nurul Rizma Fauziely, Lili Fitriany, Ria Haitami, Riza Rohmatul Hanifah, Rani Izdihar Helman Hamdani Helman Hamdani, Helman Ifan Yoga Pratama Suharyogi Ildrem Syafri Iqbal, M. ISANJARINI, VISMAIA Karina Melias Astriandhita Katon Sena Lestari, Tiffany Hanik Lia Jurnaliah Lia Jurnaliah Lili Fauzielly Lili Fauzielly Lili Fauzielly M. Iqbal M. Iqbal Mega Fatimah Rosana Mega Fatimah Rosana Mega Fattima Rosana Nana Suwarna Nana Suwarna Nana Suwarna Nisa, Firda Aulya Nugrahanto, Kuntadi Oktariani, Hanny oktariani, Hanny Pangaribuan, Vallery Theresa Parikesit Parikesit Parikesit Parikesit Pramudya, Rayhan Fatih Praptisih Praptisih Praptisih, . Purna Sulastya Putra Purna Sulastya Putra, Purna Sulastya Rachman, Rizki Satria Rahajeng Ayu Permana Sari Rahajeng Ayu Permana Sari Rahardjo, AT. - Rahmola, Wiryadi Rizkiputra Raihanna Ayu Lestari, Raihanna Ayu Ratih Damayanti Ravandi, Theo Alfredo Ria Fitriani, Ria Rina Nurani, Rina Rizki Satria Rachman Rizki Satria Rachman Rizki Satria Rachman Rizki Satria Rachman Rosana, Mega Fattima Rumsih, . Rusman Rinawan -, Rusman Rinawan Sakilla Gia Mentari Siti Mulia Nurul Aswad, Siti Mulia Nurul Suwarna, Nana Syafri, I - Teti Syahrulyati, Teti Tety Syahrulyati Tiffany Hanik Lestari Unggul Prasetyo Wibowo Vijaya Isnaniawardhani Witjahjati, Retno Wiwik Handayani YOGA, KUNCARANINGRAT EDI Yudhicara -, Yudhicara