Geo-Marine Letters

, Volume 26, Issue 4, pp 235–248 | Cite as

Tying seismic data to geologic information from core data: an example from ODP Leg 177

  • Etienne Wildeboer Schut
  • Gabriele Uenzelmann-NebenEmail author


The integration of seismic data with core data should provide ground-truth to a structural interpretation of seismic data. The main difficulty in such an integration effort is the correct translation of physical property measurements on cores to a form which can be used in seismostratigraphic interpretation. In the absence of down-hole well data and check-shots, required knowledge of the velocity structure at the drilling locations can be obtained directly from measurements of the physical properties of core samples. This involves upscaling of the data from physical properties of cores to the sample interval used in the seismic data. In the present study, three of the seven drill-sites of ODP (Ocean Drilling Program) Leg 177 in 1997/1998, located on the Agulhas Ridge in the south-eastern Atlantic (sites 1088–1090), were connected with eight seismic profiles. Physical properties data measured on the cores from the various holes at each site were combined to create a single continuous log and used to construct synthetic seismograms. The synthetics generally show a good agreement with real seismic data in terms of amplitude and waveform. Some reflections in these generated traces may have a time-shift due to sections with incomplete or spurious P-wave velocity measurements in the ODP datasets. The main reflectors identified in the real seismic data correspond to hiatuses or periods of reduced sedimentation rates, and correlate well with density variations. One particular hiatus, clearly observable in the real seismic data, was not unequivocally identifiable in the various types of core data, and tying core data to seismic data can confirm its existence in the core data, showing the benefit of including seismic data in an interpretation of core log data. On the other hand, core data provide a calibration tool for the geological timescale of seismic data and information about the lithology, needed in the interpretation of seismic data.


Seismic Data Seismic Profile Core Data Seismic Section Synthetic Seismogram 
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.



We are grateful for the support of the captain and crew of the R/V Petr Kottsov for their help during the SETARAP expedition. We further acknowledge with gratitude the helpful comments of the reviewers D. Goldstein and Ch. Buecker as well as those of the associate editor M.T. Delafontaine. The expedition was funded by the German Bundesministerium für Bildung, Forschung und Technologie under contract no. 03G0532A, and the work of E. Wildeboer Schut by the Deutsche Forschungsgemeinschaft, proposal no. Ue 49/3. This research used data provided by the Ocean Drilling Program (ODP), sponsored by the US National Science Foundation (NSF) and participating countries under management of Joint Oceanographic Institutions (JOI), Inc. This is Alfred Wegener Institute contribution AWI-N15965.


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Etienne Wildeboer Schut
    • 1
  • Gabriele Uenzelmann-Neben
    • 1
    Email author
  1. 1.Alfred-Wegener-Institut für Polar und MeeresforschungBremerhavenGermany

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