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III.—On Rock-Staining

Published online by Cambridge University Press:  01 May 2009

J. Clifton Ward
Affiliation:
Associate of the Royal School of Mines; Of the Geological Survey of England and Wales.

Extract

In a paper on “The Permian Beds of Yorkshire”, Mr. Lucas maintains: 1st, that the present western edge of the Magnesian Limestone, at all events to the north of Ripon, marks the old shoreline; 2nd, that the iron and other salts found in Permian deposits were derived from the neighbouring grit and limestone land; 3rd, that the colouring-matter, as it was brought down, stained the rocks forming the bed of the inland sea, and hence the purple and red colour of the grit and other beds between Knaresborough and Leeds.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1872

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References

page 389 note 1 See Geol. Mag. (August, 1872), Vol. IX., p. 338.

page 389 note 2 Mr. Lucas speaks, by inadvertence, of the east and west anticlinals as the Pennine, whereas the Pennine anticlinal, ranging north and south, was post-Permian in its formation, and helped to give the easterly tilt to the Magnesian Limestone.— See Prof. Hull's paper, Quart. Journ. Geol. Soc, vol xxiv., p. 323.

page 389 note 3 See my paper “On Beds of supposed Rothliegende Age, near Knaresborough”, etc. Quart. Journ. Geol. Soc, vol. xxv., p. 291.

page 390 note 1 Quart. Journ. Geol. Soc, vol. xxv., p. 293.

page 390 note 2 “On the Red Rocks of England of older date than the Trias”. Quart. Joura. Geol. Soc., vol. xxvii., p. 242.

page 390 note 3 Transactions of the Geol. Soc, 2nd series, vol. iii., p. 239.

page 390 note 4 “Notes on the Geology of Harrogate”. Quart. Journ. Geol. Soc, vol. xxi., p. 234.

page 391 note 1 Quart. Journ. Geol. Soc., vol. xxv., p. 296.

page 391 note 2 Quart. Journ. Geol. Soc., vol. xxvii., p. 242.

page 391 note 3 On Mr. Aveline's working copies over the Lower Magnesian Limestone, I find many notes of “red soil” and “red clay”.