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Ropy Surfaces of Lava in Iceland

Published online by Cambridge University Press:  01 May 2009

Leonard Hawkes
Leonard Hawkes
Affiliation:
Glaslow
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Abstract

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Type
Correspondence
Information
Geological Magazine , Volume 3 , Issue 10 , October 1916 , pp. 476
Copyright
Copyright © Cambridge University Press 1916

References

page 476 note 1 In reference to the footnote to my paper, Geol. Mag., Sept. No., p. 390, I find that Dr. Pjetursson now regards his “Graa Etage” of Middle Northern Iceland as of Post-Tertiary age. This view presents difficulties, and I prefer to hold to his former idea as there indicated. The doubt I expressed relates, not to the Tertiary age of the “Graa Etage”, but to the adequacy of the evidences therein of a general “glacial period”.