This report sets out a framework and terminology for classifying and naming lithodemic units composed entirely or predominantly of intrusive rock. It has been written with the geology of the UK in mind, but the principles and definitions recommended here should be applicable globally. The report anticipates a second phase of work, in which a BGS lithodemic classification for onshore intrusions in the UK will be constructed using the recommendations set out here. (Adobe Acrobat PDF 594 KB)
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