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All Journal Buletin Sumber Daya Geologi
Sigit Arso Wibisono
Pusat Sumber Daya Mineral Batubara dan Panas Bumi
Education Energy Engineering Environmental Science

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KARAKTERISTIK LITOTIPE DAN HUBUNGANNYA TERHADAP CLEAT BATUBARA DI DAERAH KUALA KUAYAN, KOTAWARINGIN TIMUR, KALIMANTAN TENGAH: LITHOTYPE CHARACTERISTICS AND THEIR RELATION TO COAL CLEATS IN KUALA KUAYAN AREA, EAST KOTAWARINGIN, CENTRAL KALIMANTAN Muhammad Abdurachman Ibrahim; Sigit Arso Wibisono
Buletin Sumber Daya Geologi Vol. 17 No. 1 (2022): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v17i1.343

Abstract

The characteristics of coal can be seen from the lithotype and cleats. This research studied about low rank coal from Dahor Formation to characterize lithotype, cleats, and luster of the coal. Coal lithotypes are associated with maceral in the form of thin bands. Cleats are fractures in coal. Luster is the bright appearance in coal. The coal samples for this research are obtained from Kuala Kuayan area, Kotawaringin Timur, Central Kalimantan. Coal samples were obtained from three exploration wells in this area. Analysis was carried out by looking at the luster and cleats megascopically to the coal seam and to the depth of the coal. The lithotype characteristics indicates that the deeper the depth of the coal seam, the better the bright luster of the coal. The lithotype characteristics are classified as banded coal/clarain. Cleat characteristics from this research are more cleat ferquency and more bright luster. Litotype is quite influential on the frequency of cleats.
PEMODELAN DAN ESTIMASI POTENSI BATUBARA DI DAERAH JANGGA, KABUPATEN BATANG HARI, PROVINSI JAMBI: MODELING AND COAL POTENTIAL ESTIMATION IN JANGGA AREA, BATANG HARI REGENCY, JAMBI PROVINCE Rizki Satria Rachman; Rino Destama Sugandhi; Rezky Aditiyo; Sigit Arso Wibisono
Buletin Sumber Daya Geologi Vol. 17 No. 3 (2022): Buletin Sumber Daya Geologi
Publisher : Pusat Sumber Daya Mineral Batubara dan Panas Bumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47599/bsdg.v17i3.365

Abstract

Coal is one of the largest commodities used to produce electrical energy in Indonesia. As considered that coal is non-renewable energy, it is important to find new potential sources of coal. Exploration was carried out in the Jangga area, Batang Hari Regency, Jambi Province. It was an early stage exploration activity carried out by Center for Mineral, Coal dan Geothermal Resources, which consists of two activities, namely surface geological mapping and core drilling. After that, data processing was carried out to determine the 3D coal seam model and estimate the potential of coal. Two main rock units can be observed from geological mapping, namely sandstone and claystone units. Three coal outcrops were also found. Drilling activities were carried out at four locations, namely MK-01, MK-02, MK-03, and MK-04. Coal seam modeling and potential estimation were carried out using MineScape 5.7 software. From the results of the drilling data, there are 8 coal seams that can be modeled with supporting data in the form of coal outcrop data. The estimation of coal potential in this study refers to the exploration target group and the coal inventory group. From the estimation results, it is known that the minimum total exploration target is 1,158,822.74 tons and the maximum is 4,208,379.08 tons. Meanwhile, the total estimated coal potential in the inferred inventory group is 12,916,775.7 tons and the indicated inventory is 9,296,304.45 tons.
Co-Authors Muhammad Abdurachman Ibrahim Rezky Aditiyo Rino Destama Sugandhi Rizki Satria Rachman