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000057134 0247_ $$2DOI$$a10.1016/j.palaeo.2006.03.053
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000057134 084__ $$2WoS$$aGeography, Physical
000057134 084__ $$2WoS$$aGeosciences, Multidisciplinary
000057134 084__ $$2WoS$$aPaleontology
000057134 1001_ $$0P:(DE-HGF)0$$aWollenweber, J.$$b0
000057134 245__ $$aCharacterisation of non-extractable macromolecular organic matter in Palaeozoic coals
000057134 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2006
000057134 300__ $$a
000057134 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000057134 440_0 $$013362$$aPalaeogeography Palaeoclimatology Palaeoecology$$v240$$x0031-0182$$y1
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000057134 520__ $$aComprehensive organic-geochemical investigations were applied to Permian, Carboniferous and Devonian coals. The major goal of the investigation was to quantify differences in organic matter composition of the coals on a molecular level and to associate these differences with either i) primary composition of the precursor plant material, or ii) diagenetic processes related to burial and temperature increase or iii) evolutionary time trends.The pre-extracted samples were analysed by means of pyrolytic and chemical degradation techniques as well as FTIR spectroscopy. Additionally, Rock-Eval pyrolysis and organic petrography were used to obtain information on the bulk of the coal samples.The degradation analysis revealed a wide variety of individual compounds including n-alkanes, isoprenoids, polycylic aromatic compounds, fatty acids, alkylbenzenes, aromatic carboxylic acids and phenols. Relative concentrations of substances or compound groups were correlated with bulk parameters and age of the samples.Significant correlations of the chemical data were found out mainly for maturity parameters and maceral composition. Time depending changes in chemical composition were observed only to a minor extent. Thus, the rapid morphologic evolution of higher land plants in the Late Palaeozoic is not reflected in a significant way by the chemical composition of the non-extractable matter in the coal samples investigated. (c) 2006 Elsevier B.V. All rights reserved.
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000057134 65320 $$2Author$$amacromolecular organic matter
000057134 65320 $$2Author$$ainfrared spectra
000057134 65320 $$2Author$$aPalaeozoic
000057134 65320 $$2Author$$aplant evolution
000057134 65320 $$2Author$$athermal maturity
000057134 65320 $$2Author$$apyrolysis
000057134 65320 $$2Author$$achemical degradation
000057134 7001_ $$0P:(DE-HGF)0$$aSchwarzbauer, J.$$b1
000057134 7001_ $$0P:(DE-HGF)0$$aLittke, R.$$b2
000057134 7001_ $$0P:(DE-HGF)0$$aWilkes, H.$$b3
000057134 7001_ $$0P:(DE-Juel1)VDB3401$$aArmstroff, A.$$b4$$uFZJ
000057134 7001_ $$0P:(DE-HGF)0$$aHorsfield, B.$$b5
000057134 773__ $$0PERI:(DE-600)1497393-5$$a10.1016/j.palaeo.2006.03.053$$gVol. 240$$q240$$tPalaeogeography, palaeoclimatology, palaeoecology$$v240$$x0031-0182$$y2006
000057134 8567_ $$uhttp://dx.doi.org/10.1016/j.palaeo.2006.03.053
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