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Published online by Cambridge University Press: 01 May 2009
The area included in this survey comprises that part of the Clyde Plateau Lavas and associated sediments which lie within the Geological Survey 1 in. Sheet, number 39. This northern portion of the Campsie Fells was previously mapped for the Geological Survey by Peach and Jack, but the lavas were not separated into their petrographic types. It is this latter task that constitutes the main part of the work of this paper.