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1 2014

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Preliminary results of the ground penetrating radar (GPR) prospection in the area of the prehistoric flint mine Borownia, southeastern Poland

Mieszkowski R., Welc F, Budziszewski J, Migal W, Bąkowska A.

Studia Quaternaria

2014

Vol. 31, Nr 2

123--132

Preliminary results of GPR field prospection carried out in the area of the prehistoric mining field Borownia (Ćmielów, Ostrowiec Świętokrzyski District) are presented. This mining field forms a belt (30–50 m wide and 700 m long), starting from the valley edge of the Kamienna River southeastwards. Southeastern and western parts of the site have preserved the original post-exploitation relief. Geology of the Borownia mining field was examined and acquired radiograms revealed three distinct zones of anomaly concentrations. The central zone (B) is clearly a fragment of the prehistoric mining field, confirmed not only by the GPR sounding but also by archaeological surveys. The other two zones have not yet been investigated in detail but their surface and archaeological examination may determine only whether their underground structures are natural or have been created by humans. Data obtained during the GPR prospection at the Borownia archaeological site confirmed usefulness of 100, 250 and 500 MHz antennas. The relatively large depth range and good resolution are due to favorable geological conditions.