Jurnal Fisika FLUX
Vol 6, No 2 (2009): Jurnal Fisika Flux Edisi Agustus 2009

Estimasi Ukuran Bulir Mineral Magnetik pada Batuan Peridotit Berdasarkan Peluruhan Anhysteretic Remanent Magnetization (ARM)

Rina Reida (Mahasiswa Program Studi Fisika FMIPA Universitas Lambung Mangkurat)
Sudarningsih Sudarningsih (Staf Pengajar Program Studi Fisika FMIPA Universitas Lambung Mangkurat)
Totok Wianto (Staf Pengajar Program Studi Fisika FMIPA Universitas Lambung Mangkurat)

Article Info

Publish Date
23 Oct 2009

Abstract

A decaying measurement of Anhysteretic Remanent Magnetization(ARM) has been undertaken to estimation the grain size of magnetic mineralwhich carries remanent on peridotite igneous rocks. The samples are taken fromDesa Aranio, Kabupaten Banjar, South Kalimantan. The samples are taken in acylinder from with the diameter 2.54 cm and 2.2 cm in length by using Drill ModelD026-C. The giving, measuring and decaying process of ARM is done byMolspin AF Demagnetizer, partial Anhysteretic Remanent Magnetization(pARM), and Minispin Magnetometer. The estimation of grain size of magneticmineral is obtained by seeing ARM intensity decaying curve towards magneticfield shown by the samples of peridotite igneous rocks. The ARM intensitydecaying curve show that the estimated peridotite rocks in research aredominated by multidomain and the size are big, whereas the distribution of thegrain size is larger than 200 μm.

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Journal Info
Jurnal Fisika FLUX
Website

Abbrev

f

Publisher

Universitas Lambung Mangkurat

Subject

Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics

Description

Jurnal Fisika FLUX is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of physics including applied physics, which includes: physics instrumentation and computation, biophysics, geophysics, physics materials, ...