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VI.—The Occurrence of Variegated Coal-measures, Altered Ironstones, etc., at Swadlincote, Derbyshire

Published online by Cambridge University Press:  01 May 2009

W. S. Gresley
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Extract

A highly interesting and remarkable instance of altered Coal measures, due to impregnation by hydrous and anhydrous oxides of iron, infiltrated by water from the overlying Permian strata, can now be seen in situ in the Ashby-de-la-Zouch Coal-field, and I think it should be made known in order that those who may wish to study such phenomena may have the opportunity of doing so. The following is a general description of the section.

Type
Original Articles
Information
Geological Magazine , Volume 5 , Issue 3 , March 1888 , pp. 115 - 117
Copyright
Copyright © Cambridge University Press 1888

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References

page 115 note 1 See GeologicalMagazine, NO. 1. p. 17, January, 1887.Google Scholar

page 115 note 2 See GeologicalMagazine, Vol. for 1885, p. 333.Google Scholar

page 116 note 1 Owing to unconformity the thickness of this stratum varies a good deal, and in places where the distance between the Permian marl and it, is much increased, the ironstone nodules are found in their natural condition (clay-carbonates).

page 116 note 2 The section not having been carefully measured, the thicknesses here given are only approximate.