On some chloritic minerals associated wlth the basaltic Carboniferous rocks of Derbyshire
Published online by Cambridge University Press: 14 March 2018
Extract
The occurrence of chloritic minerals as infillings of vesicular cavities in volcanic rocks is very common in rocks of all geological ages. Numerous chlorites have been described and analysed, but their classification and nomenclature are complicated by the fact that, as in the case with other hydrous alumino-silicates such as zeolites and clay minerals, the chloiites present a great variety of chemical compounds, usually of indefinite composition.
- Type
- Research Article
- Information
- Mineralogical magazine and journal of the Mineralogical Society , Volume 21 , Issue 114 , September 1926 , pp. 73 - 82
- Copyright
- Copyright © The Mineralogical Society of Great Britain and Ireland 1926
References
page 73 note 1 Heddle, M. F., Chapters on the minoralogy of Scotland. VI. Chloritic Minerals. Trans. Royal Soc. Edinburgh, 1879, vol. 29, p. 55 Google Scholar; Min. Mag., 1880, vol. 4, p. 45.
page 73 note 2 Tschermak, G., Sitzungsber. Akad. Wiss. Matb.-naturw. Wien, Cl., 1891, vol. 100, Abt. I, p. 29 Google Scholar.
page 74 note 1 Sargent, H. C., On a spilitic facies of Lower Carboniferous lava-flows in Derbyshire. Quart. Journ. Geol. Soc. London, 1918, vol. 73 (for 1917). p. 11 Google Scholar.
page 74 note 2 Garnett, C. S., On a peculiar chlorite-rock at Ible, Derbyshire. Min. Mag., 1923, vol. 20, p. 60 Google Scholar; The ‘toadstone-clays’ of Derbyshire. Min. Mag., 1923, vol. 20, p. 151.
page 74 note 3 The occurrence of a decomposed laya entrapped in a fresh olivine-dolerite sill at Ible, near Matlock, has been already recorded by C. S. Garnett (loc. cit.), and it may be possible to compare this occurrence with that of Calton Hill.
page 77 note 1 Heddle, M. F., The Mineralogy of Scotland, 1901, vol. 2, p. 189 Google Scholar.
page 79 note 1 Campbell, E. and Lunn, J. W., Chlorophaeite in the dolerites (tholeiites) of Dalmahoy and Kaimes Hills, Edinburgh. Min. Mag., 1925, vol. 20, p. 435 Google Scholar.
page 80 note 1 Wadia, D. N., Palagonite-bearing dolerito from Nagpur : suggestion regarding the nature and origin of palagonite. Eec. Geol. Survey, India, 1925, vol. 58, p. 342 Google Scholar.
page 81 note 1 Fermor, L. L., On the basaltic lavas penetrated by the deep baring for coal at Bhusawal, Bombay Presidency. Eec. Gcol. Survey, India, 1925, vol. 58, p. 133 Google Scholar.
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