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STRATI 2013 pp 1055-1060 | Cite as

Improving the Palaeoecological Understanding of the Lisboa–Sintra Region Cenomanian Units: The S. João Das Lampas Section

  • M. Cristina CabralEmail author
  • Ana C. Azerêdo
  • Elba A. Boavida
Conference paper
Part of the Springer Geology book series (SPRINGERGEOL)

Abstract

The S. João das Lampas section, in the Sintra region (Lusitanian Basin, Portugal), exhibits a highly fossiliferous marl–limestone Cenomanian succession and belongs to the Caneças Formation. In this work, we present data from ongoing studies on ostracods and microfacies to address palaeoecological issues within the regional framework. The fossil assemblage comprises ostracods (very abundant and represented mainly by brackish and marine littoral species), benthic foraminifers, dasycladalean and bryopsidalean algae, bivalves, gastropods, serpulids, and echinoderms. The succession consists predominantly of oyster-rich marls and marly limestones, interbedded with skeletal/microfossil-rich carbonate and marly layers and skeletal storm beds or lenses. Overall, the data point to a low- to moderate-energy marginal-marine setting with frequent variations in salinity.

Keywords

Ostracods Foraminifers Dasycladales S. João das Lampas Cretaceous Portugal 

Notes

Acknowledgments

This work is a contribution to project PEst-OE/CTE/UI0263/2011, FCT, Portugal.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • M. Cristina Cabral
    • 1
    Email author
  • Ana C. Azerêdo
    • 1
  • Elba A. Boavida
    • 1
  1. 1.Departamento e Centro de Geologia, Faculdade de CiênciasUniversidade de LisboaLisbonPortugal

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