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Sekretariat Redaksi Jurnal Geologi dan Sumberdaya Mineral Pusat Survei Geologi, Badan Geologi, Gedung A, Lantai 1 Jalan Diponegoro No. 57, Bandung, Indonesia
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Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)
Published by Pusat Survei Geologi
ISSN : 08539634     EISSN : 25494759     DOI : https://doi.org/10.33332
Core Subject : Science,
Chemistry Earth & Planetary Sciences Energy
The JGSM acts as a publication media of high quality scientific investigations resulted from various geological scientific issues. Published articles covers Geo-sciences, Geo-resources, Geo-hazards, and Geo-environments. Geo-sciences are basic earth sciences in geology, geophysics, and geochemistry. Geo-resources are applied earth sciences scoping in geological resources. Geo-hazards are applied earth sciences concerning in geological hazards. Geo-environments are applied earth sciences focusing in environmental geology.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geologi
Articles 482 Documents
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The Mesozoic Hydrocarbon Source Rock Potential of Singkawang Basin, West Kalimantan Suyono Suyono; M.H. Hermiyanto Zajuli
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 3 (2018): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v19i3.233

Abstract

The Singkawang Basin is one of  Mesozoic Basins in Western Indonesia that located in West Kalimantan. The Mesozoic Singkawang Basin is expected to have potential resources for conventional as well as non-conventional hydrocarbons. Several new concepts of oil and gas exploration may be defined in this basin including volcanic, basement fracture and Mesozoic sedimentary reservoirs.  The Singkawang Basin is a basin filled with sedimentary rocks that may have hydrocarbon potential  This basin has not been many studied by previous researchers. The aim of this research is to determine the potential of fine grained sedimentary rocks in the Singkawang Basin as the source rock of hydrocarbons. The TOC and Rock-Eval Pyrolysis (REP) analysis results from 69 fine-grained sedimentary rock samples concluded that the Sungaibetung Formation has a rich organic material ranging from 0.95 – 2.84%, while the Banan Formation ranges from 0.42 – 2.41%, the Pedawan Formation ranges from 0.27-2.29%, and the Kayan Formation ranges from 0.41 – 1.82%. The hydrogen index (HI) value of < 150 mg HC/g TOC and S2/S3 ratio value of < 3 indicates that some fine-grained sedimentary rocks of the Mesozoic Singkawang Basin have a tendency as a dry gas producer kerogen type and classified as a lean organic matter. The sedimentary rocks of the Singkawang Basin can be interpreted as gas source rocks that have entered an over mature stage. The Triassic to Oligocene fine -grained sedimentary rock indicates a good organic material. Moreover, the Sungaibetung Formation consists of very good organic material and tend to indicate hydrocarbons source rocks potential.Keywords: Mesozoic, source rocks, hydrocarbons, West Kalimantan
Aplikasi Petrologi Organik Dalam Analisis Cekungan dan Eksplorasi Hidrokarbon pada Beberapa Cekungan di Indonesia dan Australia Asep Kurnia Permana
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 3 (2017): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i3.235

Abstract

The organic petrology is useful in many aspects of geological applications. This method is mainly applied for geoscience investigation, such as basin analysis, fossil fuel resources exploration, and coal utilization. In the last few years, organic petrology has been applied in other fields such as environmental, archeology, and forensic studies. Study of organic petrology and its applications have also been applied in some Indonesian and Australian Basins. The organic petrography method was combined with other analytical techniques to get comprehensive results, for instance Scanning Electron Microscope (SEM), Palynology, Rock-Eval Pyrolysis, Gas Chromatography-Mass Spectrometry (GC-MS), X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Microfocus X-Ray Tomography. Combination of those analytical techniques have been widely used for identification and characterization of organic matter and mineral matter association, even more quantification as well as  assessment of the maturity level and rank of organic matter in the organic rich sediments. This paper provides a review of the organic petrology application in basin analysis and hydrocarbon exploration. This research is focused on application of Organic petrology for reconstruction of paleoenvironment, geological history, hydrocarbon source rocks, and unconventional hydrocarbon potential in some Indonesian and Australian Basins.  Keyword: organic petrology, basin analysis, hydrocarbon exploration 
Basement Configuration and Delineation of Banyumas Sub-Basin Based On Gravity Data Analysis Imam Setiadi
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2017): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.237

Abstract

Many oil and gas seepages occurred on thesurface of Banyumas Basin as one of the active petroleum systems manifestation. Geological complexity of this basin makes it difficult to discover the oil and gas reserves unlike the basin of the East and West Java area. The aims of this research are to determine the subsurface geological structure patterns, distribution of sedimentary sub-basin, and  basement configuration. Gravity data of Banyumas and surrounded area is analysed by using spectral analysis, moving average filter, and 2D forward modelling. The gravity data delineation analysis resulting about six sedimentary sub basins with depocentre of 5.5 km positioned at Purbalingga and Karangkobar Sub-basin. The structural pattern derived from residual gravity anomaly shows a relative southeast-northwest strike-slip fault and an east-west trend basement high pattern. Concerning from the oil and gas seepage presence in the study area, sufficient sedimentary rock thickness, and supporting petroleum system, this region is considered as an attractive subbasin for further petroleum prospect investigation. Keywords : gravity analysis, sedimentary basin, spectral analysis, moving average, 2D modelling
Kandungan Rare Earth Elements pada Granitoid Merah Muda dari Daerah Lagoi dan Perbandingan dengan Granitoid Sejenis Lain Ronaldo Irzon; Hamdan Z. Abidin; Baharuddin Baharuddin; Purnama Sendjadja; Kurnia Kurnia
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 3 (2017): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i3.238

Abstract

Intrusi granitoid berumur Trias di Pulau Bintan termasuk dalam kelompok The Main Range Granite Province of South East Asia. Satuan granitoid tersebut tersebar hingga melebihi 30% dari seluruh satuan batuan di Pulau Bintan. Secara megaskopik, beberapa warna granotoid yang berbeda dijumpai di daerah ini. Kawasan Lagoi, yang berada di pantai utara Bintan, memiliki granitoid dengan ciri spesifik yakni berwarna merah muda (pinkish). Kandungan unsur tanah jarang dalam pinkish granitoid ini cukup tinggi, berkisar antara 170 – 1.015 ppm dengan rata-rata 295 ppm. Nilai unsur tanah jarang ini diplot dalam Spider Diagram untuk dibandingkan dengan intrusi granitoid berwarna sama di daerah lain. Di samping itu, nilai unsur tanah jarang di sini dapat menjadi data nasional. Anomali Eu negatif terdeteksi dalam contoh pinkish granitoid yang menunjukkan bahwa fraksinasi mineral plagioklas terjadi dalam batuan.Kata Kunci: geokimia, Lagoi, pinkish granitoid, unsur tanah jarang.
KARAKTERISTIK BENTANG ALAM DAERAH PAYAKUMBUH, SUMATERA BARAT Ungkap M.Lumbanbatu
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.239

Abstract

The landscape of Payakumbuh and the surrounding area is characterized by the influences of volcanic and tectonic origins as well as by geological processes like weathering, erosion, sedimentation and solution. The landscape which is built up by the product of Marapi and Malintang Volcanoes, occupies the central part of the investigated area. The landscape of volcanic origin was then affected by tectonic activities producing lineaments that are assumed as active faults. These faults which are in NW-SE direction, seem to have the same direction as the Takung River Fault Zone. Based on its geomorphological characteristics and processes, the landform of the investigated area can be distinguished into volcanic, fluvial, fluvio-volcanic, denudational, structural and karst origin. It can be concluded that morfogeneticly the investigated area has been formed by endogen and exogen prosesses. Exogen prossesses produced the denudational, fluvial, and kars origin, while endogen process produced the structural and volcanic origins. Keywords: landscape, landform, volcano-tectonic origin, structural origin.
IDENTIFIKASI SESAR AKTIF DAERAH CEKUNGAN BANDUNG DENGAN DATA CITRA LANDSAT DAN KEGEMPAAN Marjiyono Marjiyono; Asdani Soehaimi; Kamawan Kamawan
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.240

Abstract

Seismic monitoring around Bandung basin since 1999 - 2006 which has been carried out by the Seismological Laboratory, Geological Survey Institute, had recorded nine earthquakes. Epicentre location of the earthquakes indicated that the earthquakes are associated with the lineaments interpreted on landsat image. It is concluded that there are at least five active faults in this area such as Tanjungsari - Cileunyi, Lembang, Cicalengka, Jati and Legok Kole fault. Keywords: active fault, epicenter, lineament, landsat image
SESAR BARATLAUT - TENGGARA DI DAERAH MAMUJU DAN SEKITARNYA DAN HUBUNGANNYA DENGAN PEMBENTUKAN CEKUNGAN KARAMA Sidarto Sidarto
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.241

Abstract

There are four parallel-sided NW-SE trending faults, Budong-budong, Talondo, Keang and Adang Faults in Mamuju and surrounding area. In Early Tertiary, the faults are dextral fault; however the faults are sinistral fault in the Miocene­Pliocene tectonics. Karama Basin, situated between Budong-budong and Talondo faults consists of Eocene trangressive sedimentary rocks. It is presumed a step over basin of these faults in Early Tertiary. Keywords: Northwest - southeast faults, Karama basin, Mamuju
HUBUNGAN ANTARKOMPONEN MIKROFASIES LERENG TERUMBU OAN CEKUNGAN LOKAL TERUMBU BELAKANG BATUGAMPING BIOKLASTIKA FORMASI BATURAJA 01 OAERAH SEKITAR MUARAOUA, SUMATERA SELATAN sigit Maryanto
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.242

Abstract

Bioclastic limestone of the Baturaja Formation cropping out in the Muaradua area, South Sumatera, is a good research object for microfacies analysis. Polarized microscopic study has revealed that the, bioclastic, limestones are predominantly reef-flank and local back-reef basin deposits. The results of T, F, and P tests of the limestones show a significant difference in their carbonate and terrigenous grains, as well as in their neomorphic materials between the deposits. On the other hand, their matrices, cements, and porosities are of no significant difference. Keywords: reef-flank, back-reef, carbonate grains, petrography
BENCANA GEOLOGI DAN EVALUASI PENGEMBANGAN INFRASTRUKTUR WILAYAH PESISI,R TELUK RAJEGWESI, BANYUWANGI E. Usman
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.243

Abstract

Geologically, the area of Rajegwesi Bay is potential for geological hazard (earthquake and tsunami). The area of Rajegwesi Bay is located in the front of the Jawa Trench which has high risk in seismicity. In 1994, the south coast of Banyu.wangi was attacked by an earthquake and tsunami where the wave had reached more than 10m high. The huge damage happened on bays where many peoples lives including Rajegwesi Bay. The coastal characteristic mapping shows the coastal plain lies less than 4 m and it represents the area that has a high wave and longshore current. The settlement on Rajegwesi Bay is located in coastal plain area, and when a tsunami happens, it will be sweeped by waves. Based on seismicity aspects in this area, the intrsstructug: locations determined by the local government of Banyuwangi must be revised and removed to safe locations, i.e, the area which lies more than 10m above sea level. Keywords: earthquake, tsunami, settlement, Rajegwesi Bay
STRATIGRAFI DAERAH TIMIKA DAN SEKITARNYA, PAPUA Kusnama Kusnama
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 4 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i4.244

Abstract

The rocks succession exposed in the Timika area, Papua, have an age ranging from Precambrian to Quaternary. The oldest rock is the Nerewip Formation consisting of  pillow lava and basalt intercalated with foliated meta-sedimentary rocks and overlies unconformably and paraconformably by the Otomona Formation which is dominated by slate and sandstone and also metamorphosed of Precambrian-Cambrian in age. On top of the Otomona Formation is overlain unconformably the Tuaba Formation which consists mainly of sandstone, and red mudstone in the upper part. The age of this formation is not younger than Ordovician. The Siluro-Devonian Modio Formation comprises predominantly dolomite and minor clastic sediments lying disconformably on the Tuaba Formation. The overlying coarser upward sequence Aiduna Formation with a shallow marine to deltaic environment, overlies unconformably the Modio Formation consisting of alternating of sandstone and carbonaceous mudstone, intercalated by bio-calcarenite and coal beds, probably of Permian in age. On top of  this formation was conformably deposited the red beds Tipuma Formation of a terrestrial origin. The age of the formation is thought to be Triassic to Early Jurassic. The Kembelangan Group of Middle Jurassic to Late Cretaceous comprises of intercalating of quartz sandstone and mudstone which are rich in ammonite fossils overlies unconformably the Tipuma Formation. The Tertiary sequence which is dominated by carbonate platform having rich in large foraminifera of the New Guinea Limestone Group lying conformably on the Kembelangan Group. The age of this group is Paleocene to Early Miocene. The Late Miocene to Pliocene Buru Formation consist of alternating of sandstone and mudstone overlying conformably the Nugini Limestone Group. The Diorite intrusion in this unit in Late Tertiary resulted a favourable Au/Cu mineralization in the formation, in north of Timika (the Central Range of Papua). The Quaternary deposits are widespread in the southern part of south Timika area. Keywords : Papua, Timika, Stratigraphy, Diorite intrusion, Precambrium,Paleozoic, Mesozoic, and Tertiary

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