Abstract

The Grantown granite in north-central Scotland is emplaced in Moine gneisses and contains many inclusions of the Moine rocks. A study of the orientation of these inclusions shows that they have been rotated during emplacement of the granite. Three zones are recognized, showing increasing rotation from the original position, from east to west. Movement in a veritical direction is considered to have been nominal. The evidence points to emplacement of the granite at a temperature of the same order as the country rock, in a more or less plastic state, by dilation of the surrounding rock mainly along the foliation.

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