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Ghofallena, Wenny Habib
Lambung Mangkurat University Press
Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics

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PENENTUAN NILAI SATURASI MAGNETIK BATUAN PERIDOTIT ASAL DESA AWANG BANGKAL BARAT KABUPATEN BANJAR KALIMANTAN SELATAN Sudarningsih, Sudarningsih; Siregar, Simon Sadok; Ghofallena, Wenny Habib
Jurnal Fisika FLUX Vol 10, No 1 (2013): Jurnal Fisika FLUX Edisi Februari 2013
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v10i1.2303

Abstract

Abstrak : Peridotite rocks are ultra-alkaline rocks that igneous rocks which highin mineral content of FeO, and also a magnetic mineral. Each rock type hasspecific properties and characteristics are manifested in the magnetic field inmagnetic parameters of rocks or minerals. One way to provide an overview of thecomposition and type of magnetic minerals in these rocks is to determine themagnetic saturation curve. Giving Isothermal Remanent Magnetism (IRM) isdone using instruments Electromagnetic Weiss gradually began to flow 1A, 2A,3A 10 A, etc., until the sample reaches saturation magnetic intensity. On themeasurement of magnetic saturation curve samples will be given a very largemagnetic field (until 0.8 T) gradually by using an electromagnet. The intensity ofmagnetization, as measured by Minispin magnetometer, and then plotted as afunction of the magnitude of a given field. The shape of this saturation curve willprovide an overview of the composition and type of magnetic minerals that existin the sample. The results showed that the shape of the IRM curve (remanentmagnetic intensity) is reached more quickly saturated the H <300 mT theperidotite rock in the identification of the mineral magnetite. The identification ofthese magnetic minerals is also based on the curvature of the IRM (remanentmagnetic intensity), the composition obtained is Fe3O4.Keywords: peridotite rocks, magnetic saturation, Isothermal RemanentMagnetism (IRM)
Co-Authors Simon Sadok Siregar, Simon Sadok Sudarningsih Sudarningsih