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Reinterpretation of Newfoundland gravity data and arguments for an allochthonous Dunnage Zone

¹ Department of Geology, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3, Canada

Gravity data for the Dunnage Zone of northeastern Newfoundland are best modeled by a 5- to 10-km-thick layer of high-density rocks (2.8–3.0 g/cm³) underlain by rocks with densities corresponding to continental crust (2.7 g/cm³). This implies that the Dunnage Zone is entirely allochthonous and represents rocks of oceanic affinity thrust onto continental crust.

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