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Journal of Zhejiang University-SCIENCE A

, Volume 9, Issue 7, pp 988–993 | Cite as

Studies on rock magnetic and paleointensity of some archaeological artifacts from Tamilnadu, India

  • Chellachamy ManoharanEmail author
  • Kasinathan Veeramuthu
  • Ramdoss Venkatachalapathy
  • Ramasamy Ilango
Article

Abstract

This study investigates the magnetic mineralogy and paleointensity values of a collection of archaeological artifacts (pottery). The actual magnetic carriers and their domain states present in the archaeological pottery were obtained using the low field susceptibility, thermomagnetic curves and acquisition of isothermal remanence. The magnetic mineralogy of all the samples was dominated by ferrimagnetic mineral (magnetite/magnetite with low titanium content), which was suitable for paleointensity measurements. The geomagnetic paleointensity value obtained by subjecting them to modified Thellier and Thellier method, is found to be (48.81±0.15) μT.

Key words

Magnetic susceptibility Archaeological pottery Paleointensity 

CLC number

O44 O48 

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Copyright information

© Zhejiang University and Springer-Verlag GmbH 2008

Authors and Affiliations

  • Chellachamy Manoharan
    • 1
    Email author
  • Kasinathan Veeramuthu
    • 1
  • Ramdoss Venkatachalapathy
    • 1
  • Ramasamy Ilango
    • 2
  1. 1.Department of PhysicsAnnamalai UniversityAnnamalai Nagar, TamilnaduIndia
  2. 2.Department of PhysicsRKM Vivekananda CollegeChennai, TamilnaduIndia

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