Note 51 — Chapter VIII · PRE-CAMBRIAN VOLCANOES
Reading edition
See the Report of this Survey work by Messrs. Peach, Horne, Gunn, Clough, Cadell and Hinxman, Quart. Journ. Geol. Soc. vol. xliv. (1888), pp. 378-441; and Annual Reports of Director-General of the Geological Survey in the Report of The Science and Art Department for 1894, p. 279, and 1895, p. 17 of reprint. The general area of the gneiss is shown in Map I.