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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2008, Vol. 9 Issue (7): 988-993    DOI: 10.1631/jzus.A072225
Materials Science and Chemical Engineering     
Studies on rock magnetic and paleointensity of some archaeological artifacts from Tamilnadu, India
Chellachamy MANOHARAN, Kasinathan VEERAMUTHU, Ramdoss VENKATACHALAPATHY, Ramasamy ILANGO
Department of Physics, Annamalai University, Annamalai Nagar 608002, Tamilnadu, India; Department of Physics, RKM Vivekananda College, Chennai 600004, Tamilnadu, India
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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     
Received: 09 October 2007     
CLC:  O44  
  O48  
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Chellachamy MANOHARAN
Kasinathan VEERAMUTHU
Ramdoss VENKATACHALAPATHY
Ramasamy ILANGO
Cite this article:

Chellachamy MANOHARAN, Kasinathan VEERAMUTHU, Ramdoss VENKATACHALAPATHY, Ramasamy ILANGO. Studies on rock magnetic and paleointensity of some archaeological artifacts from Tamilnadu, India. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2008, 9(7): 988-993.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A072225     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2008/V9/I7/988

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