The data from the georadar survey (Figure 5b ) showed a barely significant penetration depth of only about 5–8 m (depth of 2nd seismic refractor z2), indicating structures near the surface but providing no information about the depth of the mines or mining dumps, as the profile ended also just before the dumping area.
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Combining geophysical prospection and core drilling: Reconstruction of a Late Bronze Age copper mine at Prigglitz-Gasteil in the Eastern Alps (Austria).
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