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Geophysical Investigation at Archeological Sites In Peninsular Thailand
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 18th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, Apr 2005, cp-183-00012
Abstract
Geophysical investigation successfully located remnants at archeological sites in Nakhon Si Thammarat Province in Peninsular Thailand. The vertical gradient of geo-magnetic field, electrical ground resistance mapping and ground-penetrating radar (GPR) were employed in the present investigation. Anomalous zones of magnetic gradient, highly resistive patches of shallow ground and discontinuities in the subsurface layering on GPR images were observed. They were indicators of buried archeological remnants, shortly after the survey verified by archeological pitting. These results show that geophysical techniques are a powerfully non-destructive tool in locating promising positions of buried archeological remnants before archeological pitting is commenced. This can save time and budget for archeological investigations elsewhere.