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Title: DISTRIBUTIONS OF LIGHT HYDROCARBONS IN THE NEAR SURFACE ZONE CONNECTED WITH MEASUREMENTS OF MAGNETIC SUSCEPTIBILITY IN THE MARGINAL PART OF THE CARPATHIAN FOREDEEP AND OUTER CARPATHIANS ? CASE STUDY FROM SE POLAND
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DISTRIBUTIONS OF LIGHT HYDROCARBONS IN THE NEAR SURFACE ZONE CONNECTED WITH MEASUREMENTS OF MAGNETIC SUSCEPTIBILITY IN THE MARGINAL PART OF THE CARPATHIAN FOREDEEP AND OUTER CARPATHIANS ? CASE STUDY FROM SE POLAND
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1314-2704
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English
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19
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1.2
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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 in petroleum prospecting.
A total of 38 soil and soil gas samples were collected from 1.2 m depth below the surface. Maximum concentrations of CH4, total alkanes C2-C5, total alkenes C2-C4 in soil gas samples reached: 36.1 ppm, 0.95 ppm and 0.23 ppm, respectively. Very low values of magnetic susceptibility of soil ranged between 0.8 and 12.9 10-8 m3/kg. Moreover, the results of hydrocarbon concentrations and magnetic susceptibility measurements of soil gas samples were presented in a linear plot and then integrated with seismic image. The method presented in this paper is a complementary one and its results allow to better understanding of the complexity of hydrocarbon migration mechanisms in the studied area. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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795-802
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30 June - 6 July, 2019
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website
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cdrom
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5145
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surface geochemical survey; light hydrocarbons; magnetic susceptibility; Carpathian Foredeep; Poland
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