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Published online by Cambridge University Press: 01 May 2009
Geology.—Stated roughly, the geology of the Department of Finistère may be said to consist of two masses of granite, one to the north and one to the south, enclosing between them nearly the whole of the sedimentary rocks of the district. These consist of Cambrian slates and gneiss, Lower, Middle, and Upper Silurian slates and grits, and very small and unimportant patches of Upper Carboniferous shales. The entire mass of these deposits has an east and west direction, and occupies the central part of the Department.
page 443 note 1 I have ventured to use the old north country word “swire” to express the slack between two hills. I think it might be a useful one to adopt in the description of physical features.
page 443 note 2 The result would be exactly similar were we to follow the northern half of the section from the hills to the north coast.
page 446 note 1 Read at the British Association Meeting at Exeter, in Section C., on Saturday, the 21st August, 1869.