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Bulletin of Scientific Contribution : Geology
Published by Universitas Padjadjaran
ISSN : 16934873     EISSN : 2541514X     DOI : doi.org/10.24198/bsc%20geology.v18i1
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Environmental Science
BSC Geology adalah jurnal yang dikelola oleh Fakultas Teknik Geologi Universitas Padjadjaran,terbit 3 kali dalam setahun (April, Agustus, dan Desember), yang menerbitkan karya tulis ilmiah dalam bidang kebumian terutama yang berkaitan dengan geologi seperti : Petrologi Paleontologi Geomorfologi Stratigrafi Geologi Dinamik Geologi Lingkungan dan Hidrogeologi Geologi Teknik Geokimia Geofisika Sedimentologi. Setiap artikel yang akan diterbitkan adalah bersifat tanpa biaya (no processing charges dan no submission charges). Dewan redaksi dan penerbit tidak pernah meminta bayaran untuk penerbitan pada jurnal ini. Tujuan dari jurnal ini adalah untuk memperkaya pengetahuan dan informasi tentang ilmu kebumian dan dapat dimanfaatkan untuk kemaslahatan bersama.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geologi
Articles 8 Documents
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Search results for , issue "Vol 5, No 2 (2007): Bulletin of Scientific Contribution" : 8 Documents clear
APLIKASI TEKTONIK LEMPENG DALAM SUMBER DAYA MINERAL, ENERGI DAN KEWILAYAHAN -, Zufialdi Zakaria
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (923.124 KB) | DOI: 10.24198/bsc.v5i2.8144

Abstract

Indonesian Region have the condition of complicated tectonic. Indonesian Archipelago is represent meeting of Pacific Plate and Indian-Australian Plate (in Eastern Indonesia), and also Eurasia Plate and Indian-Australia Plate (in Western Indonesia), and also smaller plate ( Caroline Plate and Philippine Sea Plate).Plate boundaries can be estimated by zone of active earthquake, zone of mass movement in mountain region, zone of volcanism, zone of magmatisme, and zone of hydrocarbon.Estimation of plate tectonic boundary is important to support an investigation and research of mineral resources, energy resources, and terrain resources can be predicted. On land resources study, plates tectonic boundary is most important to anticipate of geological disaster.
ANALISIS KEKAR PADA BATUAN SEDIMEN KLASTIKA FORMASI CINAMBO DI SUNGAI CINAMBO SUMEDANG JAWA BARAT -, Faisal Helmi
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.202 KB) | DOI: 10.24198/bsc.v5i2.8140

Abstract

Tektonik Plio-plistosen menyebabkan terbentuknya pola lipatan dan pensesaran di daerah Sumedang. Salah satu struktur sesar yang berkembang di daerah ini adalah sesar Cinambo. Dari penafsiran peta topografi nampak adanya suatu kelurusan sungai Cinambo yang berarah utara timur laut-selatan baratdaya. Berdasarkan hasil analisis kekar gerus yang dijumpai di sepanjang Sungai Cinambo ini, diketahui ada beberapa sistem tegasan, namun demikian secara keseluruhan sistem tegasan pembentuk sesar ini seluruhnya menunjukan sifat kompresional dengan arah tegasan utama relatif utara-selatan. Sistem tegasan kompresional ini menunjukan gerak lateral yang ditunjukan oleh posisi tegasan menengah yang vertikal. Dengan demikian dapat disimpulkan bahwa sesar Cinambo merupakan sesar mendatar sinistral
ZONASI DAERAH BAHAYA LONGSOR DI KAWASAN GUNUNG TAMPOMAS KABUPATEN SUMEDANG, JAWA BARAT -, Lucky Lukmantara
Bulletin of Scientific Contribution: GEOLOGY Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (142.628 KB) | DOI: 10.24198/bsc geology.v5i2.8141

Abstract

Research area generally have a big slope. Based on Van Zuidam classification (1983), the research area can be divided into 3 angle class or slope: 1) area which have surging hilly morphology with of slope range from 25 - 35 %, 2) area which have precipitous hilly morphology with slope range from 35 - 90 %, and 3) area which have hilly morphology cut sharply or hilly very precipitous with slope 90 – 150 %Area which including into landslide-zone in generally reside at area which have precipitous hilly and surging hilly morphology, there are at group 2 and 3. Both of the area of compiler rock generally not yet lihtificated powerfully, water content is high enough especially in rain season and rock generally relative soften
POTENSI BAHAN GALIAN PASIR KUARSA DI KECAMATAN LABUHAN MARINGGAI, KABUPATEN LAMPUNG TIMUR, PROVINSI LAMPUNG -, Agung Mulyo
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.288 KB) | DOI: 10.24198/bsc.v5i2.8137

Abstract

District of Labuhan Maringgai, Sub-Province East Lampung, Lampung, richly of quartz-sand. Potency, amount of reserve, quality of every type of quartz-sand is important to know. Mapping of natural resources specially quartz-sand is required for development program of Lampung area, especially related to invesment and promotion in mining.Almost of all region of Labuhan Maringgai District consist of quartz-sand. Quartz-sand which good quality (Sio2 > 95 %) there are in Sukorahayu (1.768.000 m3), Sriminosari (1.006.500 m3), Karya Makmur (1.320.000 m3), and Karya Tani (3.082.000 m3).
ANALISIS GEOKIMIA HIDROKARBON LAPANGAN “X” CEKUNGAN SUMATERA SELATAN -, Budi Muljana
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.584 KB) | DOI: 10.24198/bsc.v5i2.8142

Abstract

South Sumatra Basin belong to back-arc basin that is one of profiliferous basin. This paper was explained result of analysis of geochemical datas for source rocks within “X” field area, south Sumetra Basin. The data was used from shale cutting of four wells, there are KTB-6, KTB-9, KTB-10 and KTB -11. Based on result of analysis was indicated a good TOC value for all of wells, the levels of maturity within KTB-2 and KTB-9 wells more high than two wells other and included on Tipe III, Based on Triangular diagram C-27,C-28,C-29, are setting of depositional environment included on Open marine (facies deltaic) to shelf margin, source of organic material was divided into three major groups of organic facies, there are C, CD and D organic facies, where there was supported by Carbon isotop analysis, source of material organic from non marine oils as well as diagram isoprenoid rasio indicated. Rock units in KTB-9 well could be attacted as reservoir and source rock.
LOW RANK COAL FORMASI SAJAU DAERAH TELUK SEMANTING DAN TANJUNG BATU KECAMATAN PULAU DERAWAN, KABUPATEN BERAU – KALIMANTAN TIMUR -, Geni Dipatunggoro
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (884.715 KB) | DOI: 10.24198/bsc.v5i2.8138

Abstract

The studied area belong to Teluk Semanting vilage and Tanjung Batu vilage, Pulau Derawan District, Berau Regency, East Kalimantan Province.Coal Bearing Formation is Sajau Formation with the younger from Latih Formation at PT. Berau Coal mine, description is black, vitreous luster, subconcoidal fracture, very hard to soft, brown streak, is general resin and piryt and sometimes wood structure. Phisycal is based on Sub Bituminus B Coal. Outcrop is followed the folded wich North West – South East, the range of strike N300ºE – N00ºE and N120ºE – N170ºE. The dip of coal is 8ºNE - 28ºNE and 5ºSW - 13ºSW.Indicated reserve of coal at study area is based on resources calculating with make use of the regional geologic explanation has reached 136 million ton, This reserve belong to the middle of the big mining.Quality of coal at study area with the measured parameter is “inherent Moisture” =10,20%-14,58,8%, Ash = 1,10%-7,61%, “Volatile Matter” = 36,58%-45,49%, “Fixed Carbon” = 37,50-45,72%, “Total Sulphur” = 0,12%-2,86%, Calorivic value the range = 5.666 – 6.427 Kkal/kg.
KONDISI GEOLOGI TEKNIK PASIR LEPAS TERHADAP PERENCANAAN DAN PRE-DESAIN BENDUNGAN TIPE URUGAN (EARTH DAM) DI DESA KANDANG AMPEK, KABUPATEN PARIAMAN, SUMATERA BARAT -, Boy Yoseph
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.936 KB) | DOI: 10.24198/bsc.v5i2.8143

Abstract

The Observatory area include in the fisiography of Rangkaian Pegunungan Barisan Barat, which is located at the elevation +604 m until +620 m above the sea level. Geologically is consist of two unit geomorphology, i.e geomorphology unit of breccia volcanic hilly extremely steep and geomorphology unit of breccia tuff hilly slope. These geomorphology condition in caused the hydraulic gradient quite high and so the speed of current surface water too. Litology of the observatory area is breccia volcanic. The geology structure of the observatory area which is holding a role is not found, but there are joints in several locations. Which were assumsed come from the tectonic activity which developed along the Sumatera Fault (Semangko Fault).Based on soil mecanic datas, the dam material has a relative session = 0 . Where as the (C) valve (cohessi) is very small, because of that the soil bearing capacity is very small, and its necessary to make a foundation. One of many years to increase Dr (relative session) from those material to mix soil (soil mixing) (to add the component cohesive /silt and clay). The Observatory area included to the earthquake area, so type of dam is earth dam. clay core on dam body is required to decrease the seepage. Dam body is consisted with the comparation of soil mix 9:1:0 and 8:1:1.
SESAR LEMBANG DAN RESIKO KEGEMPAAN -, Agung Muljo; -, Faisal Helmi
Bulletin of Scientific Contribution Vol 5, No 2 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.624 KB) | DOI: 10.24198/bsc.v5i2.8139

Abstract

Lembang is located 30 kilometers from Bandung city, in fact, Lembang is one of the area which has earthquake gristle. Pursuant to result of remote sensing image that Lembang area passed by a long normal fault. Lembang Fault represent most potential for rock movement, this matter is caused by fault path represent a place that waving the earthquake. If the earthquake happen, the area along fault zone experience of bigger vibration. Strategic location which reside in in Lembang fault zona are Lembang Town, Market place, touris location of Maribaya, settlement area and etcetera.

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