Monumental tumuli are important monuments of past human activity, and may contain burial structures of high cultural and historicalvalue. Seismic tomography is used toinvestigate the internal structure of a monumental tumulus.Energy sources and recorders are placed on the periphery at the base of the tumulus.Travel time data are analysed and processed with three-dimensional tomographic inversion in order to construct images of the distribution of seismic velocity in the interiorof the tumulus. Velocity variations are known to correlate well with the lithological character of the earth materials, thus providing important structural and lithological information of the tumulus. A case history from a Macedonian tumulusin northern Greeceispresented.The results are interpretedin terms of evidence for possible man-made buried structures, such as tombs, walls, etc.; three-dimensional modelling is used to assist in the interpretation and evaluation of the significance and reliability of the results.
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