Hostname: page-component-78c5997874-mlc7c Total loading time: 0 Render date: 2024-11-04T19:07:25.862Z Has data issue: false hasContentIssue false

Eclogitic amphibolites from the Grampian Moines

Published online by Cambridge University Press:  05 July 2018

A. J. Baker*
Affiliation:
Department of Earth Sciences, Oxford University, Parks Road, Oxford OX1 3PR

Abstract

Amphibolites from the Grampian Moines of Scotland contain clinopyroxene-plagioclase symplectites and plagioclase-hornblende coronas around garnet. The clinopyroxene-plagioclase symplectites are interpreted as former omphacites. It is inferred that an eclogitic garne-tomphacite-quartz assemblage once existed, but has since undergone partial reaction to an amphibolite facies hornblende-plagioclase assemblage. An early high-pressure metamorphic event occurred in parts of the Moine.

Type
Petrology
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1986

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Footnotes

*

Present address: Grant Institute of Geology, West Mains Road, Edinburgh EH9 3JW.

References

Ashworth, J. (1979) In The Caledonides of the British Isles—reviewed(A. L. Harris C.H. Holland and B. E. Leake, eds.). Spec. Publ. geol. Soc. London 8, 357-62.Google Scholar
De Wit, M.J., and Strong, D.F. (1975) J. Geology, 83, 609-27.Google Scholar
Droop, G.T.R. (1983) J. metamorphic Geol, 1, 3-12. Gresens, R. (1967) Chem. Geol. 2,47-65.Google Scholar
Griffin, W.L., and Raheim, A. (1973) Lithos, 6, 21-40.Google Scholar
Heinrich, C.A. (1983) Contrib. Mineral. Petrol, 81, 30-8.Google Scholar
Hinxman, L.W., and Anderson, E.M. (1915) The Geology of mid Strathspey and Strathdearn.Mem. Geol. Surv. Scotland.Google Scholar
Mysen, B.O. (1972) Contrib. Mineral. Petrol, 34, 315-25.Google Scholar
Mysen, B.O. and Griffin, W.L. (1973) Am. Mineral, 58, 60-3.Google Scholar
Piasecki, M.A.J. (1980) J. geol. Soc. London, 137, 412-59.Google Scholar
Powell, D., Brooke, M., and Baird, A.W. (1983) Ibid. 140, 813-23.Google Scholar
Roberts, A.M. and Harris, A.L. (1983) Ibid. 140, 88-92.Google Scholar
van Breemen, O., and Piasecki, M.A.J. (1983. Ibid. 140, 47-62.Google Scholar
Wells, P.R.A. (1979) Ibid. 136, 663-71.Google Scholar
Wells, P.R.A. (1981) Ibid. 138, 206-9.Google Scholar
Wilkstrom, A. (1970) Norsk. Geol. Tiddskr, 50, 137-55.Google Scholar
Winchester, J.A. (1974) J. geol. Soc. London, 136, 663-71.Google Scholar