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Notices of Memoirs

Published online by Cambridge University Press:  01 May 2009

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Type
Notices of Memoirs
Information
Geological Magazine , Volume 6 , Issue 12 , December 1889 , pp. 558 - 566
Copyright
Copyright © Cambridge University Press 1889

References

page 561 note 1 Quart. Journ. Geol. Soc. vol. xxxi. p. 319.Google Scholar

page 564 note 1 Since the publication of portions of the address in the local papers, Mr. Thomas Collins, of Redruth, has written to say, “he considers there is evidence in the Tavistock district that the metalliferous deposits containing copper-ores had been formed in the Devonian rocks before the deposition of the main mass of the Carboniferous. The large copper-lodes of Mary Tavy, for instance, are in Devonian rocks, and cease altogether on coming into contact with the black schists of the Carboniferous.” It is suggested that this may be due to faulting at the junction.