--> Abstract: Imaging Analogue Sandbox Models, by D. H. Sherlock, J. A. McDonald, and B. J. Evans; #90937 (1998).

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Abstract: Imaging Analogue Sandbox Models

SHERLOCK, DONALD H., JOHN A. MCDONALD, and BRIAN J. EVANS, Department of Exploration Geophysics, Curtin University of Technology.

Summary

Analogue sandbox models provide cheap, concise data and allow the evolution of geological structures to be observed under controlled conditions in a laboratory. Seismic physical modelling is used to study the effects of seismic wave propagation in isotropic and anisotropic media, and to improve methods of data acquisition, processing and interpretation. By combining these two independent modelling techniques, the potential exists to expand the benefits of each method. For seismic modelling, the main advantages are that the seismic data collected from these models contain natural variation that cannot be built into conventional solid models that are machined with predetermined structures, which results in a more realistic image. In addition, the cost and construction time of these models is dramatically reduced. For sandbox modelling, the ability to record seismic images before the model is manually sectioned for conventional interpretation allows far more detailed study of subtle structures than previously possible. It also provides the missing link when comparing structures generated within the models with interpretations from field seismic data.

AAPG Search and Discovery Article #90937©1998 AAPG Annual Convention and Exhibition, Salt Lake City, Utah