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VII.—On the Occurrence of Lead, Zinc, and Iron Ores in some Rocks of Carboniferous Age in the North-west of England
Published online by Cambridge University Press: 01 May 2009
Extract
East Cumberland.—In the Cross Fell and Alston Moor district the Mountain Limestone is split up into numerous beds of limestone, sandstone, and shale, the thickness and character of which are well known through the local names given to each horizon by the miner, and from the writings of Messrs. Westgarth Forster, Sopwith, and Wallace.
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- Copyright © Cambridge University Press 1873
References
page 306 note 1 Mem. Geol. Surv., vol. i. p. 186, London, 1846.
page 307 note 1 Metallurgy of Iron, third edition, 1872, p. 80.
page 307 note 2 Hunt and Rudler, Descriptive Guide to the Museum of Practical Geology, Third edition, p. 84.
page 307 note 3 Op. cit., p. 94.