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Published online by Cambridge University Press: 01 May 2009
The question of the zinc content of the Ballachulish granodiorite (Geol. Mag., Dec, 1924, p. 554) has now been thoroughly investigated, Dr. E. G. Zies, of this laboratory, having very kindly interested himself in the matter.
1 An account of the methods of determination employed, subject to appropriate modifications in view of the different material used, is given in the Nat. Geog. Soc. Tech. Papers, Katmai Series, No. 3, pp. 161–3, 172.Google Scholar