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On a curiously-jointed Pre-glacial Rock-surface at Rhiwbina, near Cardiff

Published online by Cambridge University Press:  01 May 2009

Arthur Hubert Cox  and
E. Cyril Oakes
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Extract

The rock surface to be described in this paper was discovered under boulder-clay during excavations for a new reservoir for the City of Cardiff Waterworks at Rhiwbina, 5 miles north of Cardiff. The relation of rock to boulder-clay proved so unusual, by reason of a curious jointing in the rock-surface, that it appeared to be worthy of record.

Type
Original Articles
Information
Geological Magazine , Volume 61 , Issue 6 , June 1924 , pp. 241 - 245
Copyright
Copyright © Cambridge University Press 1924

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References

page 241 note 1 For engineering features see Potters, Neil J., Cotterill, H. W. B., and Crimp, B. Santo, “Various Aspects of the Cardiff Waterworks Undertaking”: Water and Water Engineering, 21st January, 1924.Google Scholar

page 245 note 1 This has since been proved by a borehole, which started only 3 yards south of the jointed platform, but failed to reach solid rock at a depth of 20 feet.