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The Moon and Radioactivity

Published online by Cambridge University Press:  01 May 2009

V. S. Forbes
V. S. Forbes
Affiliation:
Christ's College,, Cambridge.
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Extract

In a study of the surface features of our satellite one is immediately struck by the remarkable sharpness and freshness which most of those features exhibit. Further, one is impressed by the fact that evidences of compressive action are in the minority, whereas the moon's crust shows clearly innumerable clefts, rifts, and fractures pointing to an extensional tendency of its outer envelope. This is hardly in accordance with our ideas of the appearance of a sphere which has lost all its heat; everywhere it should show signs of intense contraction, and arcuate mountain ranges should be more frequent than upon the face of the earth.

Type
Original Articles
Information
Geological Magazine , Volume 66 , Issue 2 , February 1929 , pp. 57 - 65
Copyright
Copyright © Cambridge University Press 1929

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References

page 57 note 1 “The Continents and the Origin of the Moon,” Nature, 2nd May, 1925.Google Scholar

page 58 note 1 Carnegie Institution of Washington, Year Book, No. 26, 1926–7.

page 60 note 1 The Surface-History of the Earth, by Joly, John. Oxford University Press, 1925.Google Scholar

page 62 note 1 Shaler, N. S., “A Comparison of the Features of the Earth and the Moon,” Smithsonian Contributions to Knowledge, vol. xxxiv, 1903.Google Scholar

page 63 note 1 Op. cit.

page 64 note 1 Theory of Continental Drift, a Symposium on Wegener's Hypothesis.Tulsa, Oklahoma,1928.Google Scholar