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All Journal BERKALA FISIKA Bulletin of Scientific Contribution : Geology Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Riset dan Kajian Pendidikan Fisika IJOG : Indonesian Journal on Geoscience JFA (Jurnal Fisika dan Aplikasinya) Jurnal Geosaintek Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Jurnal Fisika FLUX Journal of Geoscience, Engineering, Environment, and Technology INDONESIAN JOURNAL OF APPLIED PHYSICS Communications in Science and Technology Risalah Fisika Jurnal Geofisika Indonesian Journal on Geoscience Indonesian Journal on Geoscience Aceh International Journal of Science and Technology Jurnal Geosaintek
Sukmaji Anom Raharjo
Department Of Physics, Jenderal Soedirman University
Agriculture, Biological Sciences & Forestry Astronomy Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Other

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Journal : berkala fisika

 1 
PENDUGAAN MODEL ANOMALI MAGNETIK BAWAH PERMUKAAN DESA DARMAKRADENAN, KECAMATAN AJIBARANG, KABUPATEN BANYUMAS Sehah, Sehah; Raharjo, SUkmaji Anom
BERKALA FISIKA Vol 16, No 3 (2013): Berkala Fisika
Publisher : BERKALA FISIKA

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Abstract

Magnetic survey has been carried out to estimate the subsurface magnetic anomaly model inDarmakradenan Village, Ajibarang District, Banyumas Regency. After the data processing whichincludes some corrections and reductions, then obtained the residual magnetic anomaly data in theresearch area. Then this magnetic anomaly data was modeled use Mag2DC for Windows software,thus obtained four subsurface anomalous objects, which are interpreted as coarse grained sandstones, conglomerates, and andesitic breccias from Tapak Formation (χ = 0.0055 cgs units), lava depositionof Slamet Volcano; with boulder of basaltic-andesite from old Slamet Volcano eruption (χ = 0.0175 cgs units), andesitic sandstone, tuff conglomerate, and marl which insert of sandstone from HalangFormation (χ = 0.0015 cgs units), and limestones from Tapak Formation (χ = 0.0035 cgs units). The research areas have natural resources of limestone that is being cultivated mining now. While thepresence of gold minerals can not be determined, but is expected in the old alluvial deposits of TapakFormation and Halang Formation.Keywords: Magnetic anomaly, subsurface, Darmakradenan Village
INTERPRETASI MODEL ANOMALI MAGNETIK BAWAH PERMUKAAN DI AREA PERTAMBANGAN EMAS RAKYAT DESA CIHONJE, KECAMATAN GUMELAR, KABUPATEN BANYUMAS Sehah, Sehah; Raharjo, Sukmaji Anom; Prasetyo, Chandra Adi
BERKALA FISIKA 2015: Berkala Fisika Vol. 18 No. 2 Tahun 2015
Publisher : BERKALA FISIKA

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Abstract

Measurement of magnetic data has been done in the area of ​​the gold mining in the village of Cihonje, the district of Gumelar, the regent of Banyumas in May to June 2013. Based on the modeling that has been conducted on the local magnetic anomalies along cross section of AB obtained six models of subsurface rock, while for along cross section of AB obtained five models. Based on the modeling results, rock formations that developed in the research area are Tapak formation, Halang formation, andesite-basaltic, and the alternating formation of the sandstones with some other rocks. The magnetic susceptibility of subsurface rock in the research area are interpreted ranged from 0.0039 to 0.0174 cgs units with the average magnetic susceptibility of rocks is estimated equal to 0.0099 cgs units that interpreted as the alternating formation of sandstone and claystone from Halang formation. The mineralization of gold ore is estimated to occur in almost of all subsurface rocks, but the most dominant mineralization is estimated to occur in the Halang formation especially on the alternating formation of sandstone and claystone. The gold ore mineralization occurs in the form of veins of pyrite, chalcopyrite, galena, and the others, that fill the cracks and the pores of the rocks. Keywords: magnetic anomaly, gold mining, Village of Cihonje
Co-Authors Abdullah Nur Aziz Abdullah Nur Aziz Abdullah Nur Aziz Arya Dwi Candra Attabik, Laskarul Wildan Aziz, Abdullah Nur Azmi Risyad Candra, Adi Chandra Adi Prasetyo, Chandra Adi Destiani, Fajar Dwi Setiawan Sutanto Fajar Destiani Ferdiyan, Akmal Ikhwana, Aina Zahra Laskarul Wildan Attabik Muhammad Andi Kurniawan Muhammad Sehah Muhammad Sehah Muhammad Sehah Prabowo*, Urip Nurwijayanto Prabowo, Urip Nurwijayanto Priyadi, Pujo Rachmad Setijadi Rachmad Setijadi, Rachmad S Sehah Sa'adah, Fajar Nur Sa'adah, Nailis Sachrul Iswahyudi Sehah Allasimy Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah Sehah, Muhammad Sehah, S Sehah, Sehah Sehah, Sehah Sutanto, Dwi Setiawan Urip Nurwijayanto Prabowo Urip Nurwijayanto Prabowo Urip Nurwijayanto Prabowo, Urip Nurwijayanto Zaroh Irayani