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Light hydrocarbons migrate from the petroleum accumulations to the Earth?s surface through faults and fractures. The occurrence of these hydrocarbons in the near-surface zone forms the basis for the surface geochemical methods. The purpose of these methods is to record and analyze the distributions of micro-concentration of gaseous hydrocarbons. The paper presents the results of surface geochemical survey carried out in the ?Kosina? hydrocarbon concession block in SE part of the Carpathian Foredeep. The surveys we...

The paper presents an attempt to integrate the results of surface geochemical survey (?free gas? method) and soil magnetic susceptibility carried out in "Brzesko-Wojnicz" area, the SE part of Poland. The measurement profile is located at the border of two regional tectonic units: the central part of the Carpathian Foredeep and the Outer Carpathians. . The purpose of the article was to find out a relationship between different indicators of hydrocarbon microseepage, which can provide useful information, especially ...