Timms (2004) has presented a very restricted interpretation of an important structural feature in the New England Appalachians that I originally termed the Piermont allochthon and interpreted as a far-traveled Acadian thrust sheet (Moench et al., 1987; Moench, 1990). As described Mherein, subsequent mapping has led me to a very different conclusion that, whether right or wrong, is crucial to understand because it bears directly on how we interpret northern Appalachian tectonics for Late Ordovician to Early Devonian time (see also Billings [1992] and Moench [1992]).

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