Recent work on the carbonates and sulfates of the Mississippian Windsorian rocks of the Maritime Provinces has led to the idea that the widespread evaporites in the area are the product of sedimentation in supratidal fiats and in depressions in those flats. The tectonic setting and lithologic features of the more soluble evaporites, however, suggest a comparison with the Plio-Pleistocene sediments of the Dead Sea Graben, and it is proposed that the great thicknesses of chlorides known to exist in Nova Scotia and New Brunswick are the result of rapid sedimentation in possibly deep water within the Fundy Rift formed at the end of the Acadian Orogeny.

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