Abstract

The recognition by Boyer and Pheasant of three distinct weathering zones in the fiord region of southeastern Baffin Island has wide implications. Similar zones, some of which can be correlated with late Cenozoic glacial stades, have been noted in northeastern Baffin Island and northern Labrador; yet possible apparent counterparts in Arctic Norway cannot be chronologically correlated. The problem of whether or not the uppermost weathering zone indicates the persistence of ice-free areas throughout the late Cenozoic Glaciations is examined. While it is apparent that large areas remained ice-free throughout the past 100,000 years (Wisconsin equivalent), true glacial erratics, derived from a glacial episode in the much more distant past, probably exist on several high summits. Recognition of weathering zones over wide areas is a valuable tool for study of the glacial history of these regions.

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