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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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KETERDAPATAN INTAN SEKUNDER DI SEPANJANG SUNGAI LANDAK, KALIMANTAN BARAT Said Aziz
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 5 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i5.308

Abstract

Alluvial diamonds are found in several places in Kalimantan,   out up to now the source (rock) of alluvial diamond in Kalimantan is not known yet. Since 19th centuries, some companies had explored alluvial diamond in these areas but none of them have succeded  to find the source rock of alluvial diamond.The study of alluvial diamond distribution in West Kalimantan, especially along Landak River, indicates that the alluvial diamond in this area is limited only in Protolandak drainages, including Landak and Sekayam River regions.The result of heavy mineral analysis from this study could be used to estimate the distribution of alluvial diamond and heavy minerals content in this area.  Besides this, it is also used to trace where the source rock of alluvial diamond comes from. Keywords.: alluvial  diamond, heavy mineral, West Kalimantan
REKAMAN PERISTIWA GEOLOGI KUARTER PADA SEDIMENTASI DAN FLUKTUASI PERMUKAAN AIR DANAU TONDANO PURBA DIDASARI KORELASI UNIT FASIES KUARTER DI TENGGARA DANAU, SULAWESI UTARA Herman Moechtar
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 5 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i5.309

Abstract

The Quaternary deposits of lake Tondano consist of Tondano tuff covered by young Volcanic rock and the Quaternary sediments. The Quaternary sediments are divided by lake, sand-lake, tidal-lake, river channel, floodplain, swamp, and flood basin deposits. In general, the sedimentary and fluctuation of lake level processes occurred in active tectonic and tectonism is the main factor controlling their occurrence. The amount of material from eruption, source area and slope gradients were important factors influencing the development of the sedimentary succession in the paleo-lake Tondano.The vertically and laterally different accumulation of sediments during the deposition into the basin, is obviously related to the regional tectonic and local volcano tectonic of the basin. Probably, changes in climatological between more humid to drier conditions occurred from unit of deposition facies II (Ufp.II) to unit of depositon facies III (Uft.III). Keywords:   Facies, sedimentation,  lake water level fluctuation,  tectonic
EROSI PANTAI PADA ZONA STABIL SEBAGAI DAMPAK REKLAMASI LOKAL DI PERAIRAN ANYER SELAT SUNDA, BANTEN Delyuzar Ilhaude
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 5 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i5.310

Abstract

The studied area is geographically located on the Sunda Strait, Banten Province,  known  as touris  area.  The erosion and sedimentation processes occur along Anyer longshore area.  The mechanism of erosion is strongly caused by the irregular pattern of longshore current and the wave difraction of which they are affected by the breakwater system in the Anyer coast.  The erosion process occurs because of the tidal wave and the maximum height is in the west monsoon in December until februari. Keywords: touristarea, longshore current, erosion coast
DEFORMASI LANDFORM PASCAGEMPA TEKTONIK JOGJAKARTA 27 MEI 2006 Santoso Santoso
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 5 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i5.311

Abstract

The tectonic earthquake of Jogjakarta 2 7 Mei 2006 caused damages and more than 6000 people died.  The damage include houses, office buildings, public service, and other infrastructure.   On the other hand, the earthquake causes landform deformation along the Opak fault Zone and Patuk  fault  Zone, such as land crack, rock slide/fall, and liquefaction in a dug well.                                                                                                                                                                  Based on field identification of the landform deformation and damage pattern, two imaginary lines namely Opak fault Zone and Patuk fault Zone can be traced. Opak fault Strip elongates from end of the Opal River to Prambanan with general direction NW-SE,  while the Patuk fault Strip elongates from Parangtritis-Patuk to Gantiwamo/Wedi,  Klaten Regency with direction N40-450E. Keywords: landform deformation, earthquake
THE BAGELEN BEDS, CENTRAL JAWA P. Lunt; H. Sugianto
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 5 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i5.312

Abstract

The Bagelen Beds of Cential Java are re-defined and described as a very deep marine olistostrome deposit of Early Oligocene age (about 321/2 MYBP).  There is no indication that the clays have been tectonised and they are considered a pebbly-claystone or slump deposit rather than a tectconic melange.The benthic microfaunas are analogous to those found in open-ocean palaeobathymetries at around 3,000 metres, but it is argued that this interpretation may not be applicable to semi-restricted basins in a tectonically complex area. A shallower depth,of very roughly 1,000 to 2,000 m, is argued to be possible and that this would better fit tile epi-cratonic geological setting. The significance of a deep marine, slump-filled environment in the Early Oligocene of Central Java is discussed, and a suggestion made for the origin of the unusual  mud-volcano found in the Sangiran Dome. Keywords: Bagelen beds, Olistostrome, slum deposit benthic microfaunas, epi-cratonic
MEMANEN HUJAN (RAIN HARVESTING) U. Sudarsono
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 6 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i6.313

Abstract

Rainwater harvesting is one of groundwater conservation methods that collects rain water on the roof and stores it into aquifer. For the purpose of this investigation, a research has been conducted at the Centre of Environmental Geology, Bandung.in this location, the water harvesting potential is 8340.00 m3/year, however,  the rainwater that will be harvested, is 3614.00 m3/year and 1260.00 m3/year has been stored in the aquifer.An experiment well with 15.00 cm in diameter and 43.00 metres deep was constructed on this site. In the study area, an aquifer system is Quaternary Pumiceous Tuff (Qyt).  The aquifer is situated at the depth of 10.00 to 37.00 metres and it consists of medium to coarse grained gravely sands.   The hydraulic conductivity of the aquifer is l.80x10-3 cm /second, the water table is situated at 5.66 metres below the surface. The recharge rate of the well is 1800.00 m3/hour of water.For optimizing, the harvesting of rainwater several wells with various diameters (20.00 to 60.00 cm) should be constructed in the site. Keywords: groundwater, rainwater harvesting, hydraulic conductivity,   artificial         recharge, storage
PERKEMBANGAN GEOLOGI DAN TEKTONIK PRATERSIER PADA MINTAKAT KUANTAN PEGUNUNGAN DUA BELAS DAN MINTAKAT GUMAI-GARBA, SUMATERA BAGIAN SELATAN Kusnama Kusnama; Syahrir Andi Mangga
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 6 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i6.315

Abstract

The configuration of the pre-Tertiary tectonic and stratigraphic developments of the Southern Sumatera has been an interesting problem for many years.  Many geologists have used various concepts in solving the geological problem in order to reconstruct the geological setting of Sumatera and the related surrounding areas.The pre-Tertiary  basement in Sumatera  comprise allochtonous rocks consisting of many terrains which are composed of various lithologies of different age sand historical backgrounds   and they are separated each other by tectonic sutures.The Kuantan-Duabelas   Mountain Terrain is occupied by metamorphic, sedimentary and volcanic rocks of Paleozoic-Mesozoic (Carboniferous - Triassic) age and are intruded by the Mesozoic granitoid rocks.  The terrain occurred in the western part of Sumatera. Meanwhile, the Gumai-Garba   Terrain  which is occupied by the tectonite/ melanee,  metasediment,   carbonate  and  volcanic  rocks of Mesozoic (Jurassic  -  Cretaceous)   age are  intruded  by the  Late Cretaceous granitoid rocks. Keywords: pre-tertiary, tectonic, terrain, Southern Sumatera
KERENTANAN EROSI DI DAERAH MANADO DAN SEKITARNYA, SULAWESI UTARA S. Hidayat; Suharsono Suharsono
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 6 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i6.316

Abstract

Evolution cycle of landform in Manado and surrounding area is  caused by  weathering, erosion, transportation, sedimentation, and human factors. These processes have occurred since the land existence, and theywere strongly accelerated   by human  activities.Based on slope level, soil/rock type, vegetation/land covers, and erosion type, the erosion susceptibility in the studied area can be grouped into: high, medium, low,  and no erosion.Very high erosion occurs  on landform  of volcanic cone a and  b, volcanic slope a and b, mountain  dissected volcanic slope and dissected straight  volcanic mountain. High erosion occurs on landform  of solfatara field, fumarola, volcanic foot slope b, volcanic mountain slope elongated  dissected, volcanic slope c, residual  hill and lava flow. Medium erosion occurs on landform of volcanic  foot slope a and alluvium  fan.  Lowerosion occurs on landform of volcanic  foot slope c, intermountain plane and flood plain. No erosion occurs on landform of alluvial.Keyword: erosion succeptibility, Manado, weathering, transportation, sedimentation
Karakteristik dan Sebaran Mineralisasi Logam Mulia dan Logam Dasar di Wilayah Kabupaten Sanggau, Kalimantan Barat Isnu Hajar Sulistyawan
Jurnal Geologi dan Sumberdaya Mineral Vol. 18 No. 4 (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.v18i4.318

Abstract

Sanggau and surrounding areas are geologically have various of the type and age of rocks. Therefore, this study is aimed to explore the possible influence of the diversity of geological conditions on mineralization occurring in this region, especially concerning the presence of metal minerals. As an implementation, geological surveys consist of field observations and laboratory analysis have been conducted to determine the chemical characteristics of mineralization occurring in the region. The Atomic Absorbtion Spectrometry method was chosen to determine the content of each element of base metal and precious metal contained in the rock in the region. From the analysis results it is known that there is a tendency of distribution of elementary metal elements and precious metal elements scattered in different areas. The Late Oligocene-Early Miocene Sintang Intrusive rocks are generally exposed in the northern part of the research area, in which by the chemical analysis contains more dominant elements which are associated with precious metals such as Cu and Au. While in the southern research area which is generally occupied by the Cretaceous Granodiorite Mensibau Intrusive Rocks based on chemical analysis, containing the elements associated with base metals such as Pb and Zn. This pattern shows that both types and age of different intrusive rocks bring different mineralized products.Keywords : base metal, precious metal, intrusive, mineralisation
ANOMALI GAYA BERAT DAN TATAAN TEKTONIK SEKITAR PERAIRAN LAUT BANDA DAN PULAU SERAM Budi Setyanta; Imam Setiadi
Jurnal Geologi dan Sumberdaya Mineral Vol. 17 No. 6 (2007): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v17i6.319

Abstract

Bouguer and free air gravity anomalies  of the  Banda Sea and Seram Island are divided into southren, central and northern parts. Gravity analyses based on land measurement  combined  with ftee air anomaly data of the sea produce crust structure model which close related to rock composition and tectonic position.  Crust structure at Banda Sea is mainly composed of basaltic crust of  Banda Sea as a base and folded occurrence, collision with granitic crust border (Australian continent fragment  ?).  Banda Sea basaltic  crust is underlying volcanic sediment  Banda  Island, while granitic crust is underlying Pre-Tertiary sediment rock at Seram Island. Collision which happened since early Pliocene of two different crust has caused many things such as material from many sources in Seram Island mad melange  rock and thrust fault that appeared in the surface. Tectonic intensity has also caused some granitic crust borders to get fragmentation which reduces value of the anomaly. Further-more, it appears volcanic rock of  Banda Sea has caused gravity tectonic  toward equilibrium process basaltic  crust. This geodynamic crust   model has an implication  to geological Potency product, both in economic or disaster risk.Keywords: gravity, tectonic, evolution, geological potency

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