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All Journal IJOG : Indonesian Journal on Geoscience Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Berita Sedimentologi
Hermes Panggabean
Pusat Survei Geologi, Badan Geologi Jl. Diponegoro 57 Bandung
Earth & Planetary Sciences Education Energy Engineering Environmental Science

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TEKTONO-STRATIGRAFI BAGIAN TIMUR SULAWESI Panggabean, Hermes; Surono, Surono
Jurnal Geologi dan Sumberdaya Mineral Vol 21, No 5 (2011): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

Basement rocks of eastern part of Sulawesi, from the East Arm to Southeast Arm, are composed of continental and ophiolite origins, which were collided in latest Oligocene – Middle Miocene. After collision, extention occurred in the area that formed a deepening basin in where Sulawesi Molasse was deposited. Some continental terranes distributed in the eastern Sulawesi, could be derived from northern magin of Australia, and the ophiolite was a part of the Pacific Ocean.Key words: ofiolite, continental terrane, collision and basin
KARAKTERISTIK OIL SHALE DI KAWASAN BUKIT SUSAH, RIAU Hermiyanto, Muhammad Heri; Panggabean, Hermes
Jurnal Geologi dan Sumberdaya Mineral Vol 18, No 1 (2008): Jurnal Sumber Daya Geologi
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Abstract

Oil shale, as an alternative energy resource, is recognized in the Eocene - Oligocene Kelesa Formation, located in theBukit Susah area, within the Central Sumatera Basin, of the back-arc type. An almost complete rock sequence of the86.8 m thick part of oil shale-bearing formation, found in the Puti Kayu River, comprises an association of shale with carbonaceous siltstone, sandstone, conglomeratic sandstone, and conglomerate. The thickness of shale bed is approximately 27.90 meter. Oil shale in the study area is potential as an oil-gas prone source rock, within good to excellent category, containing Kerogen Types I and II.. The dominant maceral group is exinite, composed of alginite (0.4- 0.6 %), resinite (0.4 - 2.0 %), sporinite (0.4 - 0.8 %), suberinite (0.4 - 2 %), cutinite (0.6 - 1.4 %), and exsudatinite (0.2 - 0.6 %); whilst the minor one is vitrinite ranging from 0.6 - 7.6 %. The average value of vitrinite reflectance varies from 0.27 to 0.43 %. Thermal maturity level of the oil shale, in general, is situated  within  the immature category, although it tends to be close to the immature - mature boundary line, beyond oil birth line. Clay minerals consist of smectite-illite assosiation, with illite and kaolinite. The shale has undergone a diagenetic process within an early diagenetic level. A palynological study shows that the age of the oil shale in Bukit Susah is Middle to Late Eocene. Keywords: oil shale, alternative energy, Eocene-Oligocene , Bukit Susah, oil-gas prone
Dinamika Kehadiran Material Organik Pada Lapisan Serpih Formasi Kelesa di Daerah Kuburan Panjang, Cekungan Sumatera Tengah, Riau Zajuli, Heri Hermiyanto; Panggabean, Hermes; Hendarmawan, Hendarmawan; Syafri, Ildrem
Jurnal Geologi dan Sumberdaya Mineral Vol 16, No 4 (2015): Jurnal Geologi dan Sumberdaya Mineral
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Abstract

Penelitian ini difokuskan di daerah Kuburan Panjang sub-Cekungan Sumai, Cekungan Sumatera Tengah. Subjek penelitian ini adalah batuan serpih dari Formasi Kelesa yang berumur Eosen-Oligosen. Runtutan batuan dari bawah ke atas menunjukkan perulangan antara lapisan-lapisan batuan serpih, batupasir dan batulumpur yang dibatasi oleh konglomerat pada bagian atas dan bawahnya. Komposisi material organik terdiri dari maseral vitrinit berkisar antara 0,20 – 5,0 %, eksinit  0,60 – 4,70%, pirit 0,20 – 16,00%, karbonat 0,20 -24,2 % dan mineral lempung merupakan komponen yang paling dominan yaitu berkisar antara 71,60 -98,00%. Berdasarkan hasil analisis TOC, kekayaan material organik serpih Formasi Kelesa mempunyai nilai TOC dari 1,18% sampai 7,17% yang menunjukkan kemampuan serpih sebagai batuan induk termasuk kategori sangat baik. Kehadiran material organik di daerah penelitian menunjukkan adanya suatu siklus pengayaan material organik dari bawah ke atas.
"Brittleness Index" Lapisan Serpih Formasi Kelesa Bagian Atas di Kuburan Panjang, Cekungan Sumatera Tengah , Riau Zajuli, M. Heri Hermiyanto; Hendarmawan, Hendarmawan; Panggabean, Hermes
Jurnal Geologi dan Sumberdaya Mineral Vol 17, No 1 (2016): Jurnal Geologi dan Sumberdaya Mineral
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Abstract

Penelitian ini difokuskan pada nilai Brittleness Index (BI) serpih di daerah Kuburan Panjang sub-Cekungan Sumai, Cekungan Sumatera Tengah. Subjek penelitian ini adalah kehadiran mineral-mineral getas pada batuan serpih dari Formasi Kelesa bagian atas yang berumur Eosen-Oligosen. Serpih mengandung kuarsa dan karbonat sebagai indikator mineral getas yang sangat dominan. Berdasar nilai kandungan material organik pada serpih Formasi Kelesa dari 1,18% sampai 7,17% yang menunjukkan kemampuan serpih sebagai batuan induk termasuk kategori sangat baik. Serpih Formasi Kelesa bagian atas mempunyai BI berkisar antara 35,72 – 63,19 % yang tergolong ke dalam kategori sedang sampai baik (sedikit lunak/less ductile - rapuh/brittle). Kandungan mineral getas yaitu kuarsa dan karbonat ternyata sangat mempengaruhi nilai Brittleness Index (BI) di lokasi penelitian. Sementara itu mineral lempung (iliit, kaolinit, dickite, nacrite) kurang memberikan dampak terhadap nilai BI.  Kata kunci : Formasi Kelesa, Eosen-Oligosen, Cekungan Sumatera Tengah,          Brittleness Index (BI) 
KANDUNGAN MATERIAL ORGANIK DAN SIFAT GEOKIMIA BATULEMPUNG PALEOGEN DAN NEOGEN DI CEKUNGAN SERAYU: Suatu Analisis Potensi Batuan Induk Hidrokarbon Slameto, Edi; Panggabean, Hermes; Bachri, Syaiful
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 4 (2010): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

Geochemistry analysis (Rock-Eval pyrolisis, GC and GC-MS) on 2 (two) samples of Paleogene claystone, 3 (three) samples Neogene claystone, and 1 (one) oil seepage sample in Serayu Basin. The result of analysis shows that TOC of the Neogene claystone is higher than the Paleogene claystone. One sample of the Neogene claystone is able to be classified as source rock for oil and gas, whilst the others including the Paleogene claystone show as gas source rock. The geochemistry composition of Neogene claystone at Gintung River indicates that the oil seepage can be correlated with the rocks. The kerogen type of all claystone in the area ranges from Type III (terrestrial) to Type II (mixing terrestrial and marine).Keywords: hydrocarbon source rock, Rock-Eval pyrolisis, gas chromatography, gas chromatography-mass spectrometry, Serayu Basin
SEDIMENTOLOGI FORMASI WORAWARI PALEOGEN DI PEGUNUNGAN SERAYU UTARA Bachri, Syaiful; Panggabean, Hermes
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 1 (2010): Jurnal Sumber Daya Geologi
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Abstract

The Worawari Formation is a new name proposed in this paper, comprising Paleogene deep marine sediments and cropped out in the Banjarnegara and the surrounding area. The formation comprises turbidite deposits in the lower part, and upwards it develops into olistostrome deposits consisting of claystone matrix and boulders having tens meters in size, and comprising polimictic conglomerate, sandstone, and numulitic limestone. In the Gebyugan River, a small tributary of the Worawari River, the lower part of the Worawari Formation consists of siltstone and very fine to fine sandstone and claystone. These rocks contain abundantly fossils of radiolaria, bathysiphon, fish teeth and bentonic fossils suggesting a deep marine environmrent. Meanwhile, an exposure of alternating claystone and sandstone was found in Kali Tengah River, containing trace fossils of paleodicton type indicating a deep marine environment. Boulders of sandstone and polimictic conglomerate are found in Kali Tengah River and Kali Tulis River, while numulitic boulders are exposed in the upstream area of the Worawari River. The claystone containing boulders of various types of rock is interpreted to be olistostrome deposits.Keywords: Worawari Formation, Paleogene sediments, turbidites, olistostrome, deep marine, North Serayu Mountain
CLEAT CHARACTERISTICS IN TERTIARY COAL OF THE MUARAENIM FORMATION, BANGKO AREA, SOUTH SUMATERA BASIN: Implications for Coalbed Gas Potential Permana, Asep Kurnia; Panggabean, Hermes
Jurnal Geologi dan Sumberdaya Mineral Vol 21, No 5 (2011): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

The sub-bituminous coal seams of the Muaraenim Formation commonly overlie claystone, sandstone or shaly siltstone. Coal seams are mostly dull to bright banded lithotype, well developed of cleat system, maceral composition dominated by vitrinite with rare inertinite and minor liptinite and mineral matter. In order to determine cleat systems and a possible relationship with the development of coalbed gas potential within the coal seams, detailed observation on coal seams characteristics, determination and measurement on cleat pattern and orientation, as well an insitu gas in place content measurement (Q1) within the coal measures were performed. Field measurement from outcrops demonstrate well-developed cleat within the coal seams, with high in spacing (∑ 8.93 cm) and moderate in density (0.1512/cm - 0.21/cm) and cleat aperture (1 - 3 mm). SEM analysis provides microcleat characteristics with a rare to medium density. Micro focus observation and examination on microcleat, face microcleats appears to be most prominent compared to butt microcleats. Microcleats also found mostly in open aperture. Gas content of the coal seam indicates a low to moderate methane content, with overall calculation of gas in place from six coal seams around 15.297,73 scf. Moderate level of mineral matter content in coal, as well as an excessive rare of clay minerals infill in microcleat may influence on increasing methane adsorption capacity. Moderate to high density and well continuity of cleat and microcleat could affect enhancing permeability, and plays important role in methane migration and production. Indeed, the coal characteristics and cleat systems of the Muaraenim Formation maybe favorable for coalbed gas potential.Keyword: Coalbed gas, Cleat systems, Muaraenim Formation
Depositional Environment and Source Rocks Potential of the Miocene Organic Rich Sediments, Balikpapan Formation, East Kutai Sub Basin, Kalimantan Permana, ST.,M.Sc., Asep Kurnia; Sendjaja, Yoga Andriana; Panggabean, Hermes; Fauzely, Lili
Jurnal Geologi dan Sumberdaya Mineral Vol 19, No 3 (2018): Jurnal Geologi dan Sumberdaya Mineral
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Abstract

The fluvial to deltaic sediments of the onshore petroleum prolific of the Mahakam Delta in the East Kutai Sub-basin constrain organic rich sediments particularly within the Balikpapan Formation. This formation has been recognized as a source rocks of the conventional oil and gas production in the Kutai Basin. However, the geochemical studies to understand the origin of organic matter and paleo-environmental condition of this formation are still limited. A 390 selected samples of organic rich sediments from the Balikpapan Formation were analyzed by using organic petrographic and geochemical analyses. These analyses were used to define the sedimentary organic matter and moreover the paleo-environment conditions during deposition and their implication to the source rocks and hydrocarbon potential. The organic rich shales and mudstones of this sediment have high total organic content (TOC) values in range of 0.05% – 15.63% and coals are ranging from 2.25% to 57.11%. They are and mainly dominated by vitrinite maceral, with minor liptinite and inertinite. The minerals mostly consist of clay minerals, with minor pyrite and oxide minerals (quartz and carbonates). Rock Eval Pyrolisis analysis results show low hydrogen index (HI) values (4 to 248.52mgHC/g TOC) and predominance of vitrinite maceral reveal prevalence of terrestrially derived type III organic matter and their potential to generate gas. The max temperature values which is ranging from 411 to 435°C and Ro ranges 0.7% - 0.64% implies a low to moderate thermal maturation levels for an active source rocks. The organic matter accumulation is mainly associated with black shales and coals in the delta plain environment, derived from terrigenous organic matter.Keyword: Depositional environment, source rocks, Balikpapan  Formation, Kutai Basin.
DELINEASI CEKUNGAN BUSUR MUKA SIMEULUE BERDASARKAN DATA ANOMALI GAYA BERAT Santi, Lauty Dwita; Setiadi, Imam; Panggabean, Hermes
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 3 (2010): Jurnal Sumber Daya Geologi
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Abstract

The study of hydrocarbon potential at the fore-arc basins of west offshore Sumatra has been done by many writers. Recently, Simeulue basin, has been put at the spotlight as the Germany's BGR research team published several latest seismic lines showing great sediment accumulation in this basin. Although many new information and speculation emerge by the result of that research, until now the exact basin boundary itself has never been discussed. Delineation process of Simeulue basin in this study is done by applying gravity anomaly data that covers a wide area enough to determine the apparent boundary of sediment distribution within the basin. A gravity anomaly profile is produced using forward modeling method, showing the geometry of the basin, with maximum length of 418 km. The northward and southward of this basin is bounded by hightopographies that separate Simeulue basin with the other adjacent basins.Keywords : Basin delineation, Gravity anomaly
Perkembangan Fasies Sedimen Formasi Mamberamo Berumur Miosen Akhir-Pliosen di Cekungan Papua Utara Mamengko, David Victor; B.Sendjadja, Yoga; Mulyana, Budi; Panggabean, Hermes; Haryanto, Iyan; Lelono, Eko Budi; Musu, Juwita Trivianty; Panuju, Panuju
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 1 (2019): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.459 KB) | DOI: 10.33332/jgsm.geologi.20.1.37-47

Abstract

North Papua Basin is a fore arc basin located in northern coastal of Papua Island. This basin filled by Middle-Upper Miocene turbidite sediment and overlied by Upper Miocene – Quarternary clastic sediment. Upper Miocene – Quaternary clastic sediments (Mamberamo Formation) composed by interbedding conglomerate, sandstone and shale as molasses deposit. A detailed stratigraphic study was performed to identify facies and its association of the Mamberamo Formation to that give a new perspective on the characteristics and development of facies succession of Lower Mamberamo Formation. Result  shows that the Lower Mamberamo Formation consists of three facies: A) cross bedding sandstone (subtidal), B) heterolothic silty shale (intra-tidal), C) carbonaceous shale (supra-tidal) deposited on Late Miocen to Plio-Pleistocene during centra range orogeny (syn-orogeny) as molasses deposits.Keywords: Fore arc basin, North Papua Basin, Mamberamo Formation, molasse deposits.
Co-Authors Ali Djamhuri Asep Kurnia Permana B.Sendjadja, Yoga David Victor Mamengko Edi Slameto, Edi Eko Budi Lelono, Eko Budi Fauzely, Lili Hendarmawan Hendarmawan, Hendarmawan Heri Hermiyanto Zajuli, Heri Hermiyanto Ildrem Safri, Ildrem Ildrem Syafri Imam Setiadi, Imam Iyan Haryanto, Iyan Joko Wahyudiono K. Budiono Kusnama Kusnama Lauti Dwita Santy Lauty Dwita Santi, Lauty Dwita M. Heri Hermiyanto Zajuli Moh. Heri Hermiyanto Zajuli Mohammad Heri Hermiyanto, Mohammad Heri Muhammad Heri Hermiyanto, Muhammad Heri Musu, Juwita Trivianty Panuju Panuju Permana, ST.,M.Sc., Asep Kurnia R. Heryanto Sebayang, Deddy A. Siregar, Parvita H. Surono Surono Syaiful Bachri Yoga Andriana Sendjaja, Yoga Andriana