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V.—On the Subdivisions of the Carboniferous Series in Great Britain, and the True Position of the Beds Mapped as the Yoredale Series.2

Published online by Cambridge University Press:  01 May 2009

Extract

The correlation of the various series of Carboniferous rocks which occur in different districts of Great Britain according to the fourfold subdivision proposed by the late Professor Phillips, has always presented great difficulties, on account of the marked changes in sequence, thickness, and lithological character which occur in districts only a few miles apart. The consideration of this difficulty was the subject of a special Sub-Committee of the International Geological Congress of 1888. The Report, however, indicated only a difference of opinion, and consisted chiefly in a series of typical sections showing the local development of Carboniferous rocks, and the schemes of classification proposed by various members of the Sub-Committee.

Type
Original Aricles
Copyright
Copyright © Cambridge University Press 1897

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Footnotes

2

Read before the Geological Society of London, December 16, 1896.

References

page 160 note 1 Geol. Yorks.,” pt. ii, pp. 19, 27, 32, 33, 34, and 61, pl. xxiii, Nos. 9 and 10; pl. xxiv, sections 3 and 24.Google Scholar

page 160 note 2 p. 32

page 161 note 1 See Arnold-Bemrose, , Quart. Journ. Geol. Soc., vol. L, 1894, pp. 603644.CrossRefGoogle Scholar

page 162 note 1 This name is abundantly used in Lancashire and Yorkshire for at least two different forms of shells which have been studied by Mr. H. Bolton and myself. I have referred them to Posidonia lævis and P. minor, Brown, sp., and they form a part of the matter to be published in this year's portion of my Monograph on. “The British Carboniferous Lamallibranchs,” by the Palæontographical Society.

page 166 note 1 Mem. Geol. Surv., “Geol. Flint, Mold, and Ruthin,” p. 48.Google Scholar