Hostname: page-component-848d4c4894-tn8tq Total loading time: 0 Render date: 2024-07-01T04:09:58.159Z Has data issue: false hasContentIssue false

Age-Problems of the Lundy Island Granites

Published online by Cambridge University Press:  01 May 2009

Extract

A RECENT communication from Mr. E.H. Davison relating to the possible age of the “ Lundy Island granite ” is interesting as affording several points of contrast with the results of detailed researches in structural and petrological characters of this some-what inaccessible island in the Bristol Channel, which the author has been carrying out for some time.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1932

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.)

References

REFERENCES

(1)Mclintock, W.F.P. and Hall, T. C.F.. “ On Topaz and Beryl from the Granite of Lundy Island,” Min. Mag., xvi, 1912, 294301.Google Scholar
(2)Groves, A.W.. “ The Heavy Mineral Correlation of Igneous Rocks,” letter on this subject, Geol. Mag., LXVIII, 1931, 527.CrossRefGoogle Scholar
(3)Joly, J.. “ The Genesis of Pleochroic Haloes,” Phil. Trans. R.S., 217, 1916, 53.Google Scholar
(4)Harwood, H.F.. Analysis quoted by A. Brammall in “ The Dartmoor Granite,” P.G.A., xxxvii, pt. 3, 1926, 255.Google Scholar
(5)Rastall, R.H. and Wilcockson, W. H.. “ The Accessory Minerals of the Granite Rocks of the English Lake District,” Q.J.G.S., lxxi, 1915, 617.Google Scholar
(6)Guppy, E.M. and Thomas, H. H.. “ Chemical Analyses of Igneous Rocks, Metamorphic Rocks, and Minerals,” Mem. Geol. Survey, 1931, 87.Google Scholar
(7)Osman, C.W.. “ The Granites of the Scilly Isles and their Relations to the Dartmoor Granites,” Q.J.G.S., lxxxiv, 1927, 288.Google Scholar
(8)Holmes, A.. “ The Problem of the Association of Acid and Basic Rocks in Central Complexes,” Geol. Mag., LXVIII, 1931, 241–55.CrossRefGoogle Scholar