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MAGNETIC SURVEY ON THE ARCHAEOLOGICAL SITE - CREMATION BURIAL CASE STUDY.

Monika Loj, Slawomir Porzucek, Piotr Janczewski

Abstract

Archaeological work was undertaken to save the archaeological site. Originally the site was described as settlement from the period of Lusatian Culture. But during the first archaeological excavations, a vast and rich burial ground of Lusatian Culture people was discovered. Burials were located at different depths, often above one another. In order to determine precise location of the archeological objects the geophysical survey was used. Due to the fact of burial cremation, which means treated with fire, as a suitable geophysical method selected for the magnetic method. The size of magnetic anomalies depends on the magnetic susceptibility of the objects. Magnetic field investigation were performed on the area of 50x100 m. in two directions, using vertical gradient method. At the processing stage, the distributions were created for each of the probes and for each direction of the profile. The distributions of the data collected by the lower probe show many separated anomalous zones of limited area. They are associated with the occurrence of regions where magnetized objects are located, such as in the case of the remains of cremation graves. The measurement with two probes allowed for the calculation of the vertical gradient of the magnetic field, while vertical gradient distributions allowed for determination of the likely location of individual graves in the anomalous zones the and for their initial categorization.

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DOI resolver: doi.org/10.5593/sgem2017/14/s05.028

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