Marine Geoscience Data System
EW0113 Seismic Reflection/Refraction
Processed multichannel seismic data off the Exmouth and Cuvier margin, northwestern Australia, acquired during the R/V Maurice Ewing survey EW0113 (2001)
The Exmouth and Cuvier margin system represents one of the best locales to study the differences between wide versus narrow rifts and to define the interplay between strain partitioning, volcanism, segmentation, and the continent-ocean transition. This geophysical investigation of the Exmouth and Cuvier margins was designed to test alternate models for continental margin development, and when these results are integrated with those from other margin studies, will lead to a better overall understanding and appreciation of: the strain partitioning across margins between the brittle upper crust and the ductile lower crust and lithospheric mantle (e.g., the upper plate paradox); the interplay between extensional style (rift architecture), magmatism and detachments; the continent-ocean transition, and the origin of magnetic anomalies observed off the Exmouth and Cuvier margin; the formation of seaward-dipping reflectors along the continent-ocean boundaries and the importance of faults in their formation. Funded by NSF grants OCE99-11877, OCE99-12007, OCE99-11962.
Device Info
Maurice Ewing (Array)
The data have been processed/modified to a level beyond that of basic quality control (e.g. final processed sonar data, photo-mosaics).

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