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The interpretation of over 30000 km of multichannel reflection seismic in the general Lancaster Sound-Baffin Bay-Davis Strait area provides the following new information:
(2) During the Cretaceous-Tertiary opening of the Baffin Bay area the bounding plates did not behave in a rigid manner.
(3) Portions of Davis Strait may be floored by continental crust.
(4) The geology of the Greenland and Baffin Island shelves is markedly different.
(5) Paleozoic and older sediments may be more extensively distributed than previously suspected.
(6) The five regional unconformities seen in Bylot Basin can be related to the tectonic history of the area.
This new information, in particular the non-rigid behaviour of the bounding plates, has been used to modify existing Baffin Bay spreading scenarios. Unlike previous reconstructions, the resulting model honours both the geophysical interpretation of the Labrador Sea and the mounting geological evidence that minimal translation took place along the Wegener Transform Fault in Nares Strait.
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