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1 2016

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Reading of ground-penetrating radar (GPR) images of prehistoric flint mine; case study from Krzemionki Opatowskie archaeological site in central Poland

Welc F., Mieszkowski R., Conyers L. B., Budziszewski J., Jedynak A.

Studia Quaternaria

2016

Vol. 33, Nr 2

117--130

Geophysical surveys conducted in order to map tunnels and vertical shafts at the Neolithic chert mining field Krzemionki used a ground-penetrating radar (GPR) to test hypotheses regarding orientation, depth and subsurface complexity of these voids. Using two-dimensional reflection profiles the vertical shafts, now mostly filled with lithic debris, were easily visible. Amplitude mapping visualized debris at shaft margins as well as a collapsed material inside the voids. Some shallower horizontal tunnels were also visible as sub-horizontal planar reflections generated from both ceiling and floors of these void spaces. Extension of these interpretations to un-mapped areas of the ancient mining district and complexity of these prehistoric mining features could be examined to determine excavation intensity and exploitation techniques used during the Neolithic.