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January 01, 2002


Phillips was, first and foremost, a superb teacher and his main legacy lies in the students he trained and in the influence of his textbooks, An Introduction to Crystallography and The Use of Stereographic Projection in Structural Geology. His revision of Herbert Smith's Gemstones is much less well-known, because the study of gemstones does not form a significant part of any degree course. He excelled at the exposition of factual, logical, non-controversial mathematically based material in the visual, non-mathematical way sought by geologists. His translation of Sander's book was difficult to understand simply because Sander's obscure writings were themselves ‘impenetrable’ and replete with technical phrases invented by Sander which had no equivalents in English. Moreover, the subject of petrofabrics was never in the mainstream of geology degree courses, so Phillips’ last book would not have become familiar to most geology students even if it had appeared ten years earlier.

However, despite the controversy which surrounded the petro-fabric approach, Phillips’ pioneéring studies in the Scottish Highlands certainly were early developments in the use of increasingly sophisticated field and laboratory methods in which graphical manipulation of three-dimensional structural data, using stereographic techniques, helped to unravel the complex structure of the Moine rocks.

Despite the fact that Sander's kinematic axes, ‘movement-picture’ and ‘symmetry principle’ have become discredited,326 petrofabric studies undoubtedly provoked thoughts about the mechanisms of crystal deformation and recrystallization during metamorphism. This stimulated early experimental rock-deformation studies (particularly of marbles), by Griggs & Miller (1951), Paterson (1958), Heard (1963), Tullis et al. (1973), Tullis (1977) and others, to determine crystal response to known forces.

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Geological Society, London, Memoirs

The Life of Frank Coles Phillips (1902–1982) and the Structural Geology of the Moine Petrofabric Controversy

Richard J. Howarth
Richard J. Howarth
Department of Geological Sciences, University College London, UK
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Bernard E. Leake
Bernard E. Leake
Department of Earth Sciences, Cardiff University, Wales, UK
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Geological Society of London
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Publication date:
January 01, 2002




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