Identification of magnetic coercivity components in natural substances using Max Unmix web-application

Authors

  • Satria Bijaksana Institut Teknologi Bandung https://orcid.org/0000-0001-6374-4128
  • Gian Megantara Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung
  • Christopher Muchtar Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung
  • Muhammad Ganar Kihan Arandi Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung
  • Silvia Jannatul Fajar Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung https://orcid.org/0000-0002-9499-2092

DOI:

https://doi.org/10.53533/JMA.v2i1.17

Keywords:

Max Unmix, Rock Magnetism, Coercivity spectrum, Isothermal remanent magnetization, Natural substances

Abstract

Identification of magnetic minerals in rocks and other natural substances (sediments, ashes, soils, etc.) is important in Earth sciences. Such identification often uses a measurement of the IRM (isothermal remanent magnetization) acquisition curve that in turn provides the coercivity spectrum of the sample. In this study, MAX Unmix web-based application was used to unmix the coercivity spectrum of 13 natural samples to obtain their coercivity components. Digitized IRM acquisition data were inputted into the application, then adjusted specific parameters to obtain a best-fit coercivity spectrum revealing coercivity components. As a result, two to three components are generally identified for each sample. MAX Unmix application is highly recommended in future studies requiring the identification of magnetic minerals in natural substances.

Author Biographies

Satria Bijaksana, Institut Teknologi Bandung

Satria Bijaksana is a Professor of Rock Magnetism at the Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung in Bandung Indonesia.

Gian Megantara, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung

Gian Megantara ia a recent B.Eng. graduate (Engineering Geophysics) from Institut Teknologi Bandung

Christopher Muchtar, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung

Christopher Muchtar ia a recent B.Eng. graduate (Engineering Geophysics) from Institut Teknologi Bandung

Muhammad Ganar Kihan Arandi, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung

Muhammad Ganar Kihan Arandi ia a recent B.Eng. graduate (Engineering Geophysics) from Institut Teknologi Bandung

Silvia Jannatul Fajar, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung

Silvia Jannatul Fajar is a PhD student at the Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung in Bandung, Indonesia

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Published

2022-08-10

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