Excerpt from Excursion in Eastern Quebec and the Maritime Provinces, Vol. 2: Excursion A1
From the above view points, Fletcher made use of five main arguments to show that the riversdale-union and associated strata are of Devonian and not Carboniferous age as held by various ... palaeontologists. It should be remembered that of the contending parties, Fletcher is virtually the only member who has studied the strati graphy of the region. Fletcher held that the strata in question are of Devonian age because: (i) The measures as compared with the Carboniferous beds, are in general metamorphosed, contorted, and associated with igneous rocks generally absent from the Carboniferous areas. (2) The measures contain fossil plants, etc., of Devonian types. (3) The measures closely resemble the Little River group of St. John, N. B., which by Dawson was placed in the Devonian. (4) The measures cannot lie above the Limestone series since they are not developed in such well defined sections as those of Joggins and Sydney harbour. (5) The measures lie unconformably beneath the Carboniferous Limestone series.
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