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All Journal Jurnal Neutrino Journal of Enviromental Engineering and Sustainable Technology Gontor AGROTECH Science Journal Jukung (Jurnal Teknik Lingkungan) Jurnal Agrotek UMMat KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital Jurnal Gema Ngabdi Jurnal Mandala Pengabdian Masyarakat JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Pengabdian kepada Masyarakat SainsTech Innovation Journal J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat)
Anjar Pranggawan Azhari
Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Physics Public Health Social Sciences Other

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Journal : Jurnal Neutrino

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INTERPRETATION OF BOUGUER ANOMALY TO DETERMINE FAULT AND SUBSURFACE STRUCTURE AT BLAWAN-IJEN GEOTHERMAL AREA Azhari, Anjar Pranggawan; Maryanto, Sukir; Rachmansyah, Arief
Jurnal Neutrino Vol 9, No 1 (2016): October
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1341.356 KB) | DOI: 10.18860/neu.v9i1.3664

Abstract

Gravity survey has been acquired by Gravimeter Lacoste Romberg G-1035 at Blawan-Ijen geothermal area. It was a focusing study from previous research. The residual Bouguer anomaly data was obtain after applying gravity data reduction, reduction to horizontal plane, and upward continuation. Result of Bouguer anomaly interpretation shows occurrence of new faults and their relative movement. Blawan fault (F1), F2, F3, and F6 are normal fault. Blawan fault is main fault controlling hot springs at Blawan-Ijen geothermal area. F4 and F5 are oblique fault and forming a graben at Banyupahit River. F7 is reverse fault. Subsurface model shows that Blawan-Ijen geothermal area was dominated by the Ijen caldera forming ignimbrite (ρ1=2.670 g/cm3), embedded shale and sand (ρ2=2.644 g/cm3) as Blawan lake sediments, magma intrusion (ρ3=2.814 g/cm3 ρ7=2.821 g/cm3), andesite rock (ρ4=2.448 g/cm3) as geothermal reservoir, pyroclastic air fall deposits (ρ5=2.613 g/cm3) from Mt. Blau, and lava flow (ρ6=2.890 g/cm3).
Co-Authors Afifah Farida Jufri Afifah Farida Jufri Agus S Wicaksono Ahmad Sam'un Amrul Jihadi Arief Rachmansyah Arief Rachmansyah Baiq Rika Ayu Febrilia Cinantya N Dewi Dori Kusuma Jaya Dwi Noorma Putri Dwi Noorma Putri Dwi Noorma Putri Hendrawan Lalu Sulaiman Marzuki Meidi Arisalwadi Muhammad Fathur Rouf Hasan Muliadi Muwardi Sutasoma Novita Hidayatun Nufus Novita Hidayatun Nuvus Nurrachman Nurrachman Putera Agung Maha Agung Siska Ita Selvia Sukir Maryanto Sukir Maryanto Sukir Maryanto Suprayanti Martia Dewi Suprayanti Martia Dewi Suprayanti Martia Dewi Taufik Abdullah Yuliana Asri Zuhdiyah Matienatul Iemaaniah