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Winantris Winantris
Fakultas Teknik Geologi, Universitas Padjadjaran
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Penentuan Kualitas dan Lingkungan Pengendapan Batubara berdasarkan Nilai Total Abu, Total Air, dan Total Sulphur terhadap Nilai Kalori pada Batubara di Desa Batuah, Kecamatan Loa Janan, Kabupaten Kutai Kartanegara, Provinsi Kalimantan Timur Afrizal Ie, Muhammad; Helman Hamdani, Ahmad; Winantris, Winantris
Jurnal Geologi dan Sumberdaya Mineral Vol. 27 No. 1 (2026)
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v27i1.1079

Abstract

Coal is formed from the accumulation of plant material that undergoes decomposition, compaction, and deposition over millions of years due to physical and chemical influences. This study was conducted in the Kampung Baru Formation, Kutai Basin, to determine quality and depositional environment of coal. Data were obtained from three boreholes (DH-01, DH-02, and DH-03) with having coal thicknesses of 17.8 m, 9.8 m, and 4.8 m, respectively. The analyses performed proximate and ultimate. The results showed that huminite (densinite) was the dominant maceral component with an average of 36.6%, followed by liptinit (cutinite) at 6.8% and inertinite (semifusinite) at 3.03%. The mineral matter content was dominated by pyrite (1.8–6.8%) and clay (0.8–7.6%). The average values of the proximate and ultimate analyses show an ash content of 20.60%, total water of 12.25%, total sulphur of 0.66%, and a calorific value of 4,042.3 cal/g. Based on the United Nations (1998) and ASTM classifications, coal in the study area is categorized as a lignite B to low-medium rank coal. Depositional environment analysis is based on Lamberson diagram classification (1991), which shows that the coal was deposited in a limno-telmatic zone with a lower to upper delta plain facies. Keywords: Coal, Kutai Basin, Kampung Baru Formation, Quality, Depositional Environment, Maceral  
Co-Authors . Solihin, . ADI, GILANG PERWIRA Afrizal Ie, Muhammad 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, Ahmad 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