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Palaeoecological implications from the sedimentary record of a subtropical maar lake (Eocene Eckfelder Maar; Germany)

  • Bernd Zolitschka
Tertiary Maar Lakes
Part of the Lecture Notes in Earth Sciences book series (LNEARTH, volume 49)

Abstract

The sediments from Eocene Eckfelder Maar display a cycle from an initial clastic stage via organic oil shale deposition to a final clastic stage. Increasing aridity is related with the onset of oil shale formation, increasing freshwater input with the gradual change from organic back to final clastic deposition. Eutrophic conditions occurred only during a short period of the early oil shale stage related to maximum organic carbon and oxygen isotope values and to the formation of pyrite and vivianite.

Keywords

Oxygen Isotope Middle Eocene Sediment Depth Diatom Frustule Freshwater Sponge 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • Bernd Zolitschka
    • 1
  1. 1.GeologieUniversität TrierTrier

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