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Modelling Salt Tectonics and Sedimentary Basin Evolution at Passive Margins.

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Modelling Salt Tectonics and Sedimentary Basin Evolution at Passive Margins. Implications for HC Exploration on the Scotian Shelf. Author: Sheila M Ballantyne – PowerPoint PPT presentation

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Title: Modelling Salt Tectonics and Sedimentary Basin Evolution at Passive Margins.


1
  • Modelling Salt Tectonics and Sedimentary Basin
    Evolution at Passive Margins.
  • Implications for HC Exploration on the Scotian
    Shelf.

Author Sheila M Ballantyne Supervisors Dr.
Juergen Adam and Dr. Djordje Grujic Dalhousie
University, Department of Earth Sciences Honours
Thesis
http//www.csc.noaa.gov/benthic/mapping/applying/i
mages/scotian.gif
2
The Purpose of my Honours Thesis
  • To gain a better understanding of the structural
    geology of passive rift margins, with an emphasis
    on salt tectonics and sedimentary processes.
  • To relate the gravity driven experiments to the
    processes on the Scotian Shelf, and aid in HC
    exploration.
  • To improve interpretations of geologic and
    geophysical data.

Stratigraphic and Structural Setting of the
Scotian Margin after Wade et al. 1990, 1995.
3
Experimental Set-up
  • Each model is a 3D scaled representation of the
    shelf, using silica as sand and silicone putty as
    salt. The materials have specific rheological
    behaviours and physical parameters.
  • The experiments are monitored using hi-res.
    digital time-series data, using Particle Imaging
    Velocimetry (PIV).
  • Each experiment will be digitally analyzed and
    cut into cross-sections for interpretation.
  • Displacement field data
  • IW (time t dt)

Photos courtesy of Juergen Adam
4
3D Structure - Stagnation
Photos courtesy of Juergen Adam
5
  • My main focus will be experiments where the
    effects of varying the slope angle are explored.
    These experiments will be carried out over the
    coming months. Data from recent experiments will
    also be used.
  • Acknowledgements
  • Canadian Superior Energy Inc. Awards Program
  • Dalhousies Centre for Complex Geo-Systems
    Research team
  • Thanks to Juergen Adam for the pretty pictures,
    and animations. Much thanks to Juergen
    Adam, Djordje Grujic, Csaba Krezsek, and Steve
    King for guidance!

Photo from Juergen Adam
Photo courtesy of Juergen Adam
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