ZASTOSOWANIE GEORADARU DO IDENTYFIKACJI POTENCJALNYCH ŹRÓDEŁ ZAGROŻEŃ GAZOWYCH ORAZ ROZPOZNANIA BUDOWY GEOLOGICZNEJ POKŁADU NAJSTARSZEJ SOLI KAMIENNEJ (NA1) W O/ZG POLKOWICE-SIEROSZOWICE

Tomasz Chrul, Waldemar Pawlik, Joanna Wrzosek

Abstract


USING A GEORADAR TO IDENTIFY POTENTIAL SOURCES OF GAS RISKS AND TO RECOGNIZE THE GEOLOGICAL STRUCTURE OF THE ZECHSTEIN OLDEST HALITE ROCK SALT DEPOSIT (NA1) AT THE POLKOWICE-SIEROSZOWICE MINE

Abstract. The Polkowice-Sieroszowice Mine the KGHM Polska Miedź S.A. uses the georadar method to recognize the geological structure of the Zechstein (Upper Permian) Oldest Halite rock salt deposits (Na1). The incentive to use the georadar was the occurrence of a gas risk in mining excavations. This method is ideal for locating anhydrite blocks, that are potential sites of hydrogen sulphide accumulation, and is helpful in determining the top and base of the salt deposits. In the tests, 100 MHz and 30 MHz antennas were used, which reached the ranges of 40 m and 60 m and resolutions of 0.25 m and 1.0 m, respectively. The profiling with use of a georadar was performed in research boreholes and along the floors of excavation drifts.


Keywords


georadar, złoże soli, bloki anhydrytowe, siarkowodór.

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