Karakteristisasi Petrografi dan Geokimia Batubara Formasi Bobong Daerah Taliabu, Provinsi Maluku Utara
DOI:
https://doi.org/10.33536/jg.v9i01.1454Keywords:
Taliabu, Bobong Formation, coal, organic petrography, ultimate, proximateAbstract
The Bobong Formation is one of the rock formations on Taliabu Island which contains Jurassic coal seams. This study aims to analyze the organic petrographic and geochemical characteristics of coal in the study area. The method used includes field observations and coal sampling which is done by ply by ply channel sampling method. Laboratory analysis conducted on 10 coal samples included organic, proximate, ultimate and gross calorific value (calorific value) analysis. The Bobong Formation coal consists of 3 seams, including seam 1 with a thickness of 0.5 m to 1 meter, seam 2 that is 1 meter in thick, and seam 3 with the thickness of 0.50 m to 0.90 meters. The three coal seams are predominantly classified in the bright coals and banded bright coals lithotype. The coal has a gross calorific value of 13,896.26-15,362.54 (Btu / lb) and a proximate value in the form of tethered carbon 36.10 - 43.86 (%, adb), flight substance content 38.25 - 47.91 (%, adb ), water content from 6.54 - 12.23 (%, adb) and ash content from 64.46 - 21.31 (%, adb). Coal seam 1, seam 2 and seam 3 are included in high volatile A bituminous coals. Ultimat in the Bobong Formation coal is carbon 64.46 - 74.75 (%, daf), hydrogen 6.27 - 6.92 (%, daf), nitrogen 0.76 - 0.87 (%, daf), sulfur 4 , 41 - 7.93 (%, adb) and oxygen 9.45 - 18.07 (%, daf). Meanwhile, the maceral values in the form of vitrinite are 69.75 - 77.52 (%, vol), liptinite 17.56 - 22.50 (%, vol) and inertinite 3.60 - 7.75 (%, vol).
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Belkin, H. E., Tewalt, S. J., Hower, J. C., Stucker, D. J., O’Keefe, J., M. K., Tatu, C., Buia, A. G. , 2010, Petrography and geochemistry of Oligocene bituminous coal from the Jiu Valley, Petroşani basin (southern Carpathian Mountains), Romania, International Journal of Coal Geology, 82, 68-80.
Boggs, Jr.S., 2006, Pricinple of Sedimentology and Stratigraphy, Pearson Prentice Hall, United States of America, 662 p.
Diessel, C.F.K., 1992, Coal-Bearing Depositional System, Thompson Press (India) Ltd., New Delhi, 679 p.
International Committee for Coal and Organic Petrology (ICCP), 2001, The New Inertinite Classification (ICCP System 1994), Fuel Vol. 80, 459-471 p.
McCabe, P.J., 1984, Depositional Environments of Coal and Coal-Bearing Strata, The International Association of Sedimentologists 7, p. 13-42.
Metcalfe, I., 1990, Allochthonous Terrane Processes in Southeast Asia Transactions of the Royal Society of London,. A331, 625-640 p.
Miller, B.G., 2005, Coal Energy Systems, Elsevier Academic Press, USA, 526 p.
Klompe, Th. H.F., 1954, The structural importance of the Sula Spur (Indonesia). Indonesian Journal for Natural Science, 1-3, 21-40 p.
Kusnama., 2008, Fasies dan Lingkungan Pengendapan Formasi Bobong Berumur Jura sebagai Pembawa Lapisan Batubara di Taliabu, Kepulauan Sanana-Sula, Maluku Utara, Jurnal Geologi Indonesia Vol. 3, 161-173 p.
Simanjuntak, T.O., Barber, A.J., 1996, Contrasting Tectonic Styles in the Neogene Orogenic Belts of Indonesia dalam Hall, R. & Blundell, D. (eds.): Tectonic Evolution of Southeast Asia. Geological Society Special Publication, 106 p.
Smith J.R., dan Smith, J.W., 2007, A Realtionship Between The Carbon and Hydrogen Content of Coals and Their Vitrinite Reflectance, International Journal of Coal Geology 70, Elsevier, p. 79-86.
Suarez Ruiz, I., Crelling, C.J., 2008, Applied Coal Petrology, Elsevier, 388 p.
Supandjono, J.B. dan Haryono, E., 1993, Peta Geologi Lembar Banggai, Maluku Utara, skala 1:250.000. Pusat Penelitian dan Pengembangan Geologi, Bandung.
Sukandarrumidi, 2014, Batubara dan Gambut, Gadjah Mada University Press, Yogyakarta, 150 p.
Surono dan Sukarna, D., 1993, Peta Geologi Lembar Sanana, Maluku, skala 1:250.000. Pusat Penelitian dan Pengembangan Geologi, Bandung.
Sykorova, I., Pickel, W., Christanis, K., Wolf, M., Taylor, G.H., Flores, D., 2005, Classification of Huminite – ICCP System 1994, International Journal of Coal Geology 62, Elsevier, p. 85-106.
Speight, J.G., 2005, Handbook of Coal Analysis, John Wiley and Sons, Inc., Hoboken, New Jersey, 222 p.
Taylor, G.H., Teichmuller, M., Davis, A., Diessel, C.F.K., Littke, R., Robert, P., 1998, Organic Petrology, Gebruder Borntraeger, Stuttgart, 704 p.
Thomas, L., 2002, Coal Geology First Edition, John Wiley & Sons, Ltd, West Sussex, United Kingdom, 384 p.
Triono, U., Mulyono., 2011, Penyelidikan Batubara di Daerah Mangole dan Sekitarnya Kabupaten Kepulauan Sula, Maluku Utara, Prosiding Pusat Sumber Daya Geologi, 1-24 p.
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