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    Rubin, Alan E. 2014. Shock and annealing in the amphibole- and mica-bearing R chondrites. Meteoritics & Planetary Science, Vol. 49, Issue. 6, p. 1057.
    Beach, A. and Fyfe, W. S. 1972. Fluid transport and shear zones at Scourie, Sutherland: Evidence of overthrusting?. Contributions to Mineralogy and Petrology, Vol. 36, Issue. 3, p. 175.
    Max, M. D. 1970. Metamorphism of Caledonian Metadolerites in North-west County Mayo, Ireland. Geological Magazine, Vol. 107, Issue. 06, p. 539.
    1969. Metamorphic Textures. p. 314.
    Bridgwater, D. 1966. Clouded Felspar. Geological Magazine, Vol. 103, Issue. 03, p. 284.
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Chemical and Mineralogical Changes Associated with the Laxfordian Metamorphism of Dolerite Dykes in the Scourie-Loch Laxford Area, Sutherland, Scotland

  • D. J. Burns (a1)
Abstract

Chemical analyses of dolerites and metadolerites from the Scourie-Loch Laxford area have been made, together with analyses of amphiboles and a pyroxene from these rocks.

Chemical variation within the dykes as originally emplaced has been investigated. Introduction of material during metamorphism is limited, only potassium showing a marked increase in concentration. In the least-altered dykes a relationship between degree of clouding in felspar and amount of H2O+ present is indicated.

Chemical analyses and optical properties of amphiboles show no distinctive trends which could be associated with the progress of the metamorphism.

Copyright
COPYRIGHT: © Cambridge University Press 1966
References
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Clough, C. T., 1907. In The Geological Structure of the North-West Highlands of Scotland. Mem. geol. Surv. U.K., p. 139.
MacGregor, A. G., 1931. Clouded felspars and thermal metamorphism. Miner. Mag., 22, 524–538.
Mercy, E. L. P., 1956. The accuracy and precision of rapid methods of silicate analysis. Geochim. et Cosmochim. Acta, 9, 161–173.
O'Hara, M. J., 1961. Petrology of the Scourie Dyke, Sutherland. Miner. Mag., 32, 848–865.
Shapiro, L., and Brannock, W. W., 1952. Rapid analysis of silicate rocks. U.S. geol. Surv. Circ., 165.
Sutton, J. and Watson, J., 1951. The Pre-Torridonian metamorphic history of the Loch Torridon and Scourie areas in the N.W. Highlands and its bearing on the chronological classification of the Lewisian. Quart. J. geol. Soc. Lond., 106, 241–296.
Teall, J. J. H., 1885. The metamorphism of dolerite into hornblende-schist Quart. J. geol. Soc. Lond., 41, 133–144.
Teall, J. J. H., et al. 1907. The Geological Structure of the North-west Highlands of Scotland. Mem. geol. Surv. U.K.
Watson, J. V., 1949. Thesis submitted for Ph.D. degree, Univ. of London.
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Geological Magazine
  • ISSN: 0016-7568
  • EISSN: 1469-5081
  • URL: /core/journals/geological-magazine
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