Magnetic Susceptibility proxy for the study of mechanism and climatic evolution of the top soil section at Precambrian Iron Manganese Mines area, Joda West, Odisha.

Authors

  • Swagata Das Research Scholar,Department of Geological Sciences, Jadavpur University, W.B., India.
  • Ashis Kumar Das Assistant Professor,Department of Geology, Asutosh College , W.B., India.
  • Sneha Roy Post Graduate Student, Department of Geology, Asutosh College, W.B. India.

Keywords:

Magnetic Susceptibility, Precambrian, Iron Formation, pedogenetic, lateritic soil, selective leaching

Abstract

Low and high frequency (Klf, Khf) magnetic susceptibility ( MS ) of top soil sectionsin the Joda-West Iron-Manganese mines area, Odisha, was measured by using the BartingtonSusceptibility Meter. The variation or uniformity of the soil susceptibility values and the statistical measurements of frequency dependent MS parameters(Kfd) were compared to identify grain sizes and causes of enhancement of soil magnetic susceptibility. High MS values at low and high frequencies (Klf = 40521 to 41328 X 10-5 S.I. unit, Khf= 38593.8 to 39601.8 X 10-5 S.I. unit), high Kfd values and the statistical parameter R2=0.98 indicate pedogenetic formation of magnetic minerals in studied soil samples. A distinct positive correlation between the frequency dependent MS values appear to appreciate the mechanism of a continuous alteration and selective leaching process operative during a long geological history for the origin of the lateritic soil in a uniform tropical to subtropical climate in the studied Fe-Mn mine area of Precambrian Banded Iron Formation. A gradual decrease of MS values with increasing depth might be due to accumulation of clay and silica constituents towards the lower part of the soil sections.

Additional Files

Published

2024-07-09

How to Cite

Das, S., Das, A. K., & Roy, S. (2024). Magnetic Susceptibility proxy for the study of mechanism and climatic evolution of the top soil section at Precambrian Iron Manganese Mines area, Joda West, Odisha . SAYAM, 2(1), 13–24. Retrieved from https://sayamjournal.com/index.php/sayam/article/view/59

Issue

Vol. 2 No. 1 (2024): SAYAM

Section

Articles

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