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@ARTICLE{Wollenweber:57134,
      author       = {Wollenweber, J. and Schwarzbauer, J. and Littke, R. and
                      Wilkes, H. and Armstroff, A. and Horsfield, B.},
      title        = {{C}haracterisation of non-extractable macromolecular
                      organic matter in {P}alaeozoic coals},
      journal      = {Palaeogeography, palaeoclimatology, palaeoecology},
      volume       = {240},
      issn         = {0031-0182},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-57134},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Comprehensive 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.},
      keywords     = {J (WoSType)},
      cin          = {ICG-V},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB51},
      pnm          = {Geosysteme - Erde im Wandel},
      pid          = {G:(DE-Juel1)FUEK405},
      shelfmark    = {Geography, Physical / Geosciences, Multidisciplinary /
                      Paleontology},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000241313800015},
      doi          = {10.1016/j.palaeo.2006.03.053},
      url          = {https://juser.fz-juelich.de/record/57134},
}