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@ARTICLE{Armstroff:57133,
      author       = {Armstroff, A. and Wilkes, H. and Schwarzbauer, J. and
                      Littke, R. and Horsfield, B.},
      title        = {{A}romatic hydrocarbon biomarkers in terrestrial organic
                      matter of {D}evonian to {P}ermian age},
      journal      = {Palaeogeography, palaeoclimatology, palaeoecology},
      volume       = {240},
      issn         = {0031-0182},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-57133},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {This paper presents the results of a detailed study on the
                      occurrence and distribution of alkylnaphthalenes and
                      alkylphenanthrenes in 39 coal and sediment samples from the
                      Late Palaeozoic containing predominantly terrestrial organic
                      matter. Most of the samples represent the Euramerian flora
                      realm and originate from locations beyond the Variscan front
                      in Eastern, Northern and Central Europe, i.e. especially
                      England and the Moscow Basin. The samples are of relatively
                      low maturity (0.32 to $1.80\%$ R-r) and consist mainly of
                      mixtures of type III and II kerogen. Quantification of the
                      C-0- to C-4-naphthalenes and the C-0- to C-4-phenanthrenes
                      showed that these compound classes were highly abundant in
                      all samples. Aromatic hydrocarbon maturity parameters in
                      general are in good agreement with measured vitrinite
                      reflectance values. 1,2,7-Trimethylnaphthalene, an assumed
                      diagenetic product of oleanane type biomarkers was present
                      in all investigated samples. This observation provides
                      evidence that oleanane type lipids were biosynthesised by
                      organisms predating the evolution of angiosperms or that
                      assumed formation pathways for 1,2,7-trimethylnaphthalene
                      are insecure. 1,2,8-Trimethylphenanthrene was significantly
                      enriched in samples from the Permian and the one sample from
                      the Devonian investigated in this study. The precursor(s) of
                      1,2,8-trimethylphenanthrene therefore may have been produced
                      by organisms which were least abundant in the Carboniferous
                      depositional environments represented by our samples. (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:000241313800014},
      doi          = {10.1016/j.palaeo.2006.03.052},
      url          = {https://juser.fz-juelich.de/record/57133},
}