The Talladega series has been traced by the writer from Alabama, where it is typically exposed, across northwest Georgia, into North Carolina and Tennessee. The series occupies a belt, trending northeast, 300 miles in length and 1 to 25 miles in width. The belt is separated in most places from the fossiliferous rocks of the Appalachian Valley and Ridge province, which it borders, by a low-angle thrust fault, the Cartersville fault. To the southeast of the belt lie pre-Cambrian crystalline schists, which in Alabama and Georgia are faulted (Whitestone fault) against the Talladega rocks. Thus, a large part of the belt is a fault block bounded by low-angle faults, which, in general, strike northeast and dip southeast (Fig. 1).


The Talladega series was named by E. A. Smith1 for exposures in the Talladega Hills, Alabama (locality 1, Fig. 1). The series2 consists typically of slate . . .

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