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Contact Name
Moh. Heri Hermiyanto
Contact Email
redaksipsg@gmail.com
Phone
+6281223388976
Journal Mail Official
redaksipsg@gmail.com
Editorial Address
Sekretariat Redaksi Jurnal Geologi dan Sumberdaya Mineral Pusat Survei Geologi, Badan Geologi, Gedung A, Lantai 1 Jalan Diponegoro No. 57, Bandung, Indonesia
Location
Kota bandung,
Jawa barat
INDONESIA
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,
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.
Articles 482 Documents
STRUKTUR BAWAH PERMUKAAN DAERAH SEMARANG DAN SEKITARNYA DARI METODE GAYA BERAT DAN MAGNET D.A Nainggolan
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 3 (2008): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i3.265

Abstract

The result of gravity measurements in the studied area, which is mainly covered by volcanic rocks, have an anomaly valueranging from-13 to 44 mgal. Geologic and tectonical development of the area may still be active until recently(?). For this reason, The Geological Survey Institute conducted detailed gravity study to delineate this possibility moreaccurately.  The hydrocarbon reserve had ever been exploitated by the Dutch Government from  the Cipluk field, southern of Kendal city and already been closed in 1930.From this fact, other areas In the northen part of this Quadrangle is potential for the hydrocarbon resource. The southern part of Ungaran Mountain may also potensial for the geothermal resource. The qualitative analysis of the anomaly patterns, subsurface profile  models including the geological structures reflects the geological processes, tectonics and Its  relationship with natural resources. The qualitative analysis on residual and Bouguer anomalies indicates that the structures in the study area have mainly east –west and north south directions.                                       Keywords: gravity, magnet, Bouguer anomaly,structures,Semarang
Karakteristik Petrologi dan Geokimia Batuan Gunungapi Berumur Oligosen Akhir - Miosen Di Daerah Gunung Muro, Kalimantan Tengah Joko Wahyudiono
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.v18i2.266

Abstract

Mount Muro is located in Purukcahu District of Central Kalimantan and geologically dominated by Late Oligocene-Miocene volcanic rocks. The purpose of this research mainly to understand the geodynamic evolution, including rock type, magmatic suites and tectonic environment during Late Oligocen to Miocene of the research area. Eight samples from that region were collected and prepared for petrographic and geochemistry analyses. Petrography analysis using polarization microscope was   carried out for rock classification, whereas XRF and ICP were used mainly to detect the presence of major, trace and rare earth elements. Based on petrographic analyses the eight rock samples studied can be classified into basalt, andesite-basalt and diorite. Cross plot of weight percent SiO2  versus weight percent (Na2O + K2O) revealed that the rocks are differentiated into basalt, andesite-basalt, basalt trachy-andesite to andesite. The weight percent SiO2 versus weight cross plot percent K2O demonstrated that rocks samples of the studied area included in calc-alkaline magmatic series. This implies that the rock samples were originally from a convergent plate margin tectonic environment. The existence of Nb through in the spider diagram has been explained in terms of retention of this element in the source during partial melting. Keywords: petrology, geochemistry, tectonic, geodynamics, magmatic series
Komposisi Kimia Pasir Pantai di Selatan Kulon Progo dan Implikasi terhadap Provenance Ronaldo Irzon
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 1 (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.v19i1.267

Abstract

Abstrak - Coastal sediment geochemical characters can be utilized in tracing the source material and linkage with other rock units in a region. This study is intended to determine the geochemistry composition of the beach sands in four location on the south coast of Kulon Progo, Yogyakarta Special Province. The geochemical content was than used to characterize the coastal sediments, establish the relationship of the sample, and trace the source material. Geochemistry content of surface sample in comparison to subsurface sample on three selected locations are discussed. XRF and ICP-MS were used to measure the major oxides, trace and rare earth elements composition of the selected samples. The beach sands of these four locations is inferred derived from the same source based on bivariate plots of major oxides versus SiO2, degrees of elements coefficient correlation, and the trends on REE spider diagram. Rb, Sr, Zr, U, dan Th are more concentrated in the surface samples whilst magnetic materials in the subsurface ones. The selected coastal sediments are chemically immature and formed under arid condition. Source material is considered relatively fresh and ranges from mafic to felsic character. The Andesite intrusion around Ijo Mountain is thought to be more appropriate as a source material based on that character compared to other rock units as well as the results of Mount Merapi activities reinforced by chemical index of alteration calculations, oxide ratios and rare earth composition.Keyword : beach sands, the Andesite, geochemistry, provenance.
Gunung Api Purba Balawaian Diinterpretasi Pada Citra Radar Sidarto Sidarto
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 1 (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.v19i1.268

Abstract

Abstract - The geology of  Meratus Mountain is relatively complex and still arguable until these day.Its magmatic activity is characterized by variation of igneous and volcanic rocks. Morphology feature of Balawaian paleo volcano can be recognized with radar imagery. Furthermore, validation of rocks constituent is observed directly from the field and hand sample laboratory analysis include the petrography and geochemistry. As the result, the morphology of Balawaian volcano is concluded as a truncated cone and composed by amphibole basalt which assumed come from the tholeiitic magma origin. The volcano intruded the Late Cretaceous - Late Paleocene andesite-basal unit during Late Miocene or Mio-Pliocene (Neogene). The volcano's magma is then interpreted has originate from Late Cretaceous subduction which trapped in the lower mantle and then flowed to the surface by the influence of Balawaian dextral fault pull apart basin.Keyword: Balawaian, radar imagery, amphibole basalt, Meratus, Neogen.
Gunung Api Lumpur di Daerah Cengklik dan Sekitarnya, Kabupaten Boyolali Provinsi Jawa Tengah Sutikno Bronto; Pudjo Asmoro; Mutiara Efendi
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.v18i3.269

Abstract

District of Boyolali and surrounding area have manifestation of an old mud volcano deposits which is locally exposed in E-W direction, about 20 km length and 3-5 km wide, start from Cengklik Lake until western side of Solo River. The mud volcano deposits have clay-silt size and sand-gravel of scoriaceous basaltic andesite in Gununglondo village. Materials below the mud deposits are composed by dike or sills-like rocks which penetrate within the sediment layer and fill the fracture formed a diapiric and mud ball structure, whereas the loss materials tend to leave diatremal traces and surficial deposits. Data showed in this research illustrate the mud movement from subsurface to the earth surface which is comparable with volcanic eruptions. After reaching the surface, mud deposits form layers with some slight folded and faulted structure. Cengklik Lake depression is presumed to be paleo mud volcano crater. Cengklik and surrounding areas are rapidly develop due to the existence of Adisumarmo international airport and construction of Solo-Semarang–Surabaya toll road. Considering the geological condition below Cengklik and surrounding area, which is composed by mud volcano deposits and experienced many fracture, they assumed to be a weak zone. The main potential geological hazard is the surface deformation along the toll road because of its low capability to endure the road construction and vehicle weight. Other potential hazards are groundwater pollution, earthquake, and mud volcano reactivation. Therefore, sustainable research and geological hazard mitigation of Cengklik and surrounding areas are necessary to do. keywords: mud volcano, Cengklik, Boyolali, geological hazards, mitigation 
Rekonstruksi Vegetasi Pasca Kebakaran Di Blok Gunung Geulis,Suaka Margasatwa Cikepuh Berdasarkan Bukti-Bukti Palinologi Tiffany Hanik Lestari; Winantris Winantris; Parikesit Parikesit
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 2 (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.v19i2.271

Abstract

The Gunung Geulis block, Cikepuh Wildlife Nature is one of the natural areas which is considered as the habitat for various wildlife. The area are currently degraded due to the fire. Reconstruction of the vegetation in Gunung Geulis block was conducted as an effort to understand the history of vegetation, so that in the future it can rehabilitate the burnt forest area through reforestation activities in accordance with the initial conditions of the habitat (before burning). This study used a transect method for soil sampling and acetolisys method to know the diversity of the sedimented sub-fossil pollen. Based on the results in the five sampling's points, the 90 types of both sub-fossil pollen and spores of plants (i.e., 34 types of sub-fossil pollens (arboreal pollen), 40 types of sub-fossil pollen (non-arboreal pollen), and 16 species of sub-fossil spores) were observed at five sampling points in Gunung Geulis block. This indicates that the annual fire intensity in the Gunung Geulis block were relatively high. Indeed, the correspoding block is undergoing a secondary succession. The vegetation changes that occur can be illustrated by the diversity of the observed sub-fossil pollen and spores in soil.Keyword : Pollen, Spores, Vegetation Reconstruction, Gunung Geulis, Cikepuh.
Re-Interpretasi Formasi Kerek Di Daerah Klantung, Kendal, Berdasarkan Data Stratigrafi dan Foraminifera Purna Sulastya Putra; Praptisih Praptisih
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 2 (2017): Jurnal Geologi dan Sumberdaya Mineral
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i2.272

Abstract

Rock unit crops out surrounding the Cipluk oil field is part of the Kerek Formation according to the regional geological map, however, the stratigraphy, depositional environment and relative age of the rock unit is not clearly recognised. Detailed stratigraphic and micropaleontological studies have been done in the rock unit surrounding the Cipluk of  oil field. The results show that the rock outcrops in the study area are composed by a repetition of marl intercalated by sandstones,identified as turbiditic facies part of a channel portion of supra fan lobe to outer fan that deposited in an upper bathyal. Based on planktonic foraminifera content, the relative age of rockunit is Pliocene to Late Pleistocene. According to the litological characteristics and relative age data, the rock unit in studied area seems to be not part of the Kerek Formation, but it belongs to part of the Kalibeng Formation. The result of this study is very important for updating the surface geological data in which will be very useful to understand the new petroleum system in this area. Keywords: Kerek Formation, Cipluk oil field, turbidite, Kalibeng Formation
Eksplorasi Endapan Hidrotermal di daerah Kasihan, Pacitan, Jawa Timur Asrafil Asrafil; Arifudin Idrus; Djoko Wintolo
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 4 (2017): Jurnal Geologi dan Sumberdaya Mineral
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v18i4.273

Abstract

This research aims to identify hydrothermal mineral deposits using geomagnetic methods. The geomagnetic method used to obtain anomaly of magnetic field intensity contrast. Furthermore, there is also been conducted taking and analysis samples of rock using petrography, ore microscopic and XRD. It is done to obtain mineralogical characteristics of hydrothermal mineral deposits that becoming the exploration target. The results showed that hydrothermal mineral deposits in research area was characterized by hydrothermal alteration of argillic (kaoline-illite), propylitic (calcite-chlorite) and skarn (quatrz-calcite-pyroxine/ clinopyroxine). Ore minerals are present of sulphide minerals such as pyrite, chalcopyrite, sphalerite, covelit and oxide minerals such as hematite abundance. The existence of hydrothermal mineral deposits are associated with skarn type deposit. Zones of mineral deposits of metallic ores are characterized by a significant contrast magnetic anomalies with high magnetic field intensity higher than 110,31 nT on the total magnetic intensity anomaly and higher than 11,09 nT on the residual magnetic intensity anomaly, as the response from the presence of metal in the ore mineral enrichment of rock material.keywords : hydrothermal minerals, magnetic field anomaly, petrography, ore microscopic, XRD skarn, Kasihan
PENYEBARAN BATUAN GRANIT DAN SEDIMEN KUARTER BERDASARKAN INTERPRETASI DATA SEISMIK DI PERAIRAN BATAM UTARA Ediar Usman
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 1 (2007): Jurnal Sumber Daya Geologi
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i1.275

Abstract

Results of mappings and publications concerning the distribution  of granite and Quaternary sediments in territorial waters of Batam Island and its surroundings are still limited.  It is caused by the distribution of the granite which emerges to sea bottom in territorial waters in the  part of the North  Batam  and its surroundings  is also limited.  Results of seismic interpretation show the existence of some reflector characteristics of the granite and the Quaternary sediments. Based on the interpretation model at bedrock and the Quaternary sediment, distribution area of the bedrock is in part of west and north of Batam Island and also in the part of the north of Bintan Island. While the Quaternary sediment, based on reflector seismic characters, is coarse fluvial deposits at the bottom as the channel fill between some domes of granite body and recent marine deposits at the top. If the bedrock is correlated with regional geology in territorial water of the Batam Island and its surroundings,the bedrock is granite. Keywords: granite, bedrock, Quatenary sedimen,seismic interpretation ,North Batam
PETROGRAFI DAN PROSES DIAGENESIS BATUGAMPING FORMASI BATURAJA DI LINTASAN AIR SAKA, OKU SELATAN, SUMATERA SELATAN sigit Maryanto
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 1 (2007): Jurnal Sumber Daya Geologi
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i1.276

Abstract

The Early Miocene limestone  of  Baturaja Formation crops out along the Air Saka Section, having a measured  thickness  of 247 metres. This carbonate  formation  lies conformabty  on the siliciclastic  sediments  of Talangakar Formation, and it is in turn, conformably   overlain  by the silicidastic  sediments   of Gumai  Formation.  The limestone was affected  by several diagenetic processes, such as bioturbation,   fossil cavity filling,  replacement,  cementation, recrystallization, micritization, dolomitization,  authigenic-mineral  formation, compaction,   dissofution,   stylolitization, and fracturing.  Some  of these diagenetic processes have a very weak to moderate coeficient  of interrelationship. Keywords:Petrography, carbonate grains, cementation, meteoric, statistical test

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