Aliphatic hydrocarbons as biological markers in 250-million-year-old rock salt deposits near Kassel,West Germany |
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| Authors: | M. P. De Silva W. Thiemann |
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| Affiliation: | (1) Kernforschungsanlage Jülich, West Germany;(2) Universität Bremen, West Germany |
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| Abstract: | ![]()
Organic matter sedimented within salt deposits from the Carboniferous Perm epoch has been investigated for hydrocarbons by gas-liquid-chromatography, mass spectrometry, and spectropolarimetry. Main constituents were made of aliphatic and olefinic hydrocarbons which retained a considerable part of their optical activity thus resisting complete racemization over 250 mio years. |
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