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Nurrohman Aryo Seno
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Astronomy Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics

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IDENTIFICATION OF GRINDULU MINOR FAULT LINES BASED ON MAGNETIC FIELD ANOMALY DATA Nurrohman Aryo Seno; wibowo Nugroho Budi; Darmawan Denny
Jurnal Ilmu Fisika dan Terapannya (JIFTA) Vol 5, No 2 (2016): Jurnal Fisika
Publisher : Prodi Fisika, Departemen Pendidikan Fisika

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Abstract

AbstractThis research aimed to determine the fault direction, pattern of magnetic field anomaly and the subsurfacestructure of Grindulu minor fault in Arjosari subdistrcict. Magnetic field anomaly data acquisitons were takenfrom 19 points with 500 m grid spacing using Proton Precession Magnetometer (PPM) type G-856AX with loopingmethod. The results indicate that Grindulu minor fault has a N32˚E direction. Pattern of magnetic field in Grinduluminor fault was around -360nT to 120 nT. The subsurface structure of Grindulu Minor fault in Arjosari subdistrictwas composed by Arjosari formation and Mandalika formation dominated by rocks lava and breccia tufa withsusceptibility of 1.7 (in the SI) and 1.2 (in the SI) at the depth of (200-400) m.Keywords: Geomagnetic Method, Grindulu Minor Fault, Suseptibility, Magnetic Field Anomaly
Co-Authors Darmawan Denny Wibowo Nugroho Budi