IDENTIFICATION OF MAGNETIC ANOMALIES IN SUBSURFACE AREA OF SINABUNG MOUNTAIN

Tampubolon, Togi and Rahmatsyah and Harahap, M. A. T. (2018) IDENTIFICATION OF MAGNETIC ANOMALIES IN SUBSURFACE AREA OF SINABUNG MOUNTAIN. In: 3rd Padjadjaran International Physics Symposium, 14-15 Nov 2017, Bandung.

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Abstract

This research was conducted by using geomagnetic methods. It aims to identify cross section anomalies and subsurface models. Measurements using a PPM (Proton Precession Magnetometers) Elsec 770 types data collection is done randomly with 27 measurement points. Data analysis was performed using 11 surfers to get a contour map and Mag2DC software to get the magnetic anomaly cross section. The results showed that the anomalous cross section with the geomagnetic method has the lowest value of 18.45 nT and the highest value reached 64.92 nT. From the anomaly, it was found that the value of vulnerability obtained is 0.0004, 0.00018, 0.0002 emu where subsurface layer model consists of dolomite and limestone.

Item Type: Conference or Workshop Item (Paper)
Keywords: Geomagnetic; Subsurface anomalies; Geophysic magnetic method
Subjects: G Geography. Anthropology. Recreation > G Geography (General) > G70 Philosophy. Relation to other topics. Methodology
Q Science > QC Physics
Q Science > QC Physics > QC801 Geophysics. Cosmic physics
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Fisika
Depositing User: Mrs Harly Christy Siagian
Date Deposited: 12 Jan 2023 09:11
Last Modified: 13 Mar 2023 04:33
URI: https://digilib.unimed.ac.id/id/eprint/49862

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