In the White Bay region, at the eastern base of the great Northern Peninsula of Newfoundland, Silurian rocks underlie a considerable area adjacent to the west coast of the bay.

The Northern Peninsula—the northward continuation of the Long Range Mountains—is an upland area of rugged topography; in the vicinity of White Bay it consists for the most part of pre-Cambrian crystalline rocks. Between this upland and the west shore of White Bay is a strip of country of lower altitude, underlain by Paleozoic rocks. This belt varies in width from 9 miles in its more southern portion to less than 3 miles at Coney Head near its north end. It consists of sedimentary rocks (with a relatively small proportion of volcanic rocks) which strike north-northeast, and, in general, dip to the east. The Paleozoic series is summarized in Table 1. The Silurian and older rocks are intruded . . .

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