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Inclusions in garnet: discussion and suggested mechanism of growth for syntectonic garnets

Published online by Cambridge University Press:  01 May 2009

F. C. Cox
Affiliation:
Institute Of Geological Sciences, 5 Prince's Gate, London S.W.7.

Summary

Inclusion textures within garnets are often used to demonstrate the relationship in time between garnet growth and deformation. The evidence for syntectonic growth is discussed, and it is shown that several thin sections are required before an accurate interpretation can be made. The patterns predicted by Powell & Treagus (1967) are matched with natural examples, and a mechanism for the aevelopment of these fabrics is suggested.

Type
Articles
Copyright
Copyright © Cambridge University Press 1969

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References

REFERENCES

Johnson, M. R. W 1963 Some time relations of movement and metamorphism in the Scottish Highlands Geologie Mijnb., 42 121142.Google Scholar
Powell, D. & Treagus, J. E. 1967. On the geometry of S-shaped inclusion trails in garnet porphyroblasts. Mineralog. Mag., 36, 453–6.Google Scholar
Ramsay, J. G. 1962. The geometry and mechanics of formation of “similar” type folds. J. Geol., 70, 309327.CrossRefGoogle Scholar
Rast, N. 1958. The metamorphic history of the Schiehallion complex. Trans. R. Soc. Edinb., 63, 413431.CrossRefGoogle Scholar
Spry, A. 1963. The origin and significance of snowball structure in garnet. J. Petrol., 4, 211222.CrossRefGoogle Scholar
Sturt, B. A. & Harris, A. 1961. The metamorphic history of the Loch Tummel area. Lpool Manchr geol. J., 2, 689711.CrossRefGoogle Scholar
Zwart, H. J. 1962. On the determination of polymetamorphic mineral associations and its application to the Bosost area (Central Pyrenees). Geol. Rdsch., 52, 3865.CrossRefGoogle Scholar