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New Evidence on the Origin of Breccias and Conglomerates in the Warwickshire Coalfield: The Mount Nod Boreholes, Coventry

Published online by Cambridge University Press:  01 May 2009

F. W. Shotton
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Extract

During the last two years the Coventry City Corporation has put down three boreholes, for water supply purposes, near Mount Nod Farm, on the north side of Broad Lane, 2 miles 5 furlongs W. 6° N. of the centre of the city.

Type
Original Articles
Information
Geological Magazine , Volume 70 , Issue 10 , October 1933 , pp. 466 - 476
Copyright
Copyright © Cambridge University Press 1933

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References

page 466 note 1 Eastwood, T., Gibson, W., Cantrill, T. C., Whitehead, T. H., “The Geology of the Country around Coventry”: Mem. Geol. Surv., 1923.Google Scholar

page 469 note 1 Shotton, F. W., “The Geology of the Country around Kenilworth” Q.J.G.S., lxxxv, 1929, 167–222.CrossRefGoogle Scholar

page 469 note 2 Shotton, F. W., “The Conglomerates of the Enville Series of the Warwickshire Coalfield”: Q.J.G.S., lxxxiii, 1927, 604–621. “The Geology of the Country around Kenilworth”: Q.J.G.S., Ixxxv, 1929, 167–222.CrossRefGoogle Scholar

page 470 note 1 It is probable, of course, that the close jointing, shattering, and indurated nature of the Pre-Cambrian rocks would lend themselves to the production of angular fragments, while the softer and soluble Avonian limestones and the rounded chert concretions would have originally a greater tendency to produce round pebbles. It seems less likely, however, that the hard Silurian sandstones would have taken on their well-worn shape unless they had been subjected to more attrition than the Pre-Cambrian material.Google Scholar

page 473 note 1 It is significant that even in the Kenilworth breccias (representing a time when conglomerate-deposition had ceased) the small proportion of Avonian and Silurian material is very well-rounded.Google Scholar

page 474 note 1 Boulton, W. S., “The Rocks between the Carboniferous and the Trias in the Birmingham District”: Q.J.G.S., lxxxix, 1933, 53–86.CrossRefGoogle Scholar

page 474 note 2 Boulton, W. S., “The Rocks between the Carboniferous and the Trias in the Birmingham District”: Q.J.G.S., lxxxix, 1933, 54.Google Scholar

page 476 note 1 T. Eastwood, W. Gibson, T. C. Cantrill, T. H. Whitehead, “The Geology of the Country around Coventry” : Mem. Geol. Surv., 1923, 86, 87.