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Reddened Carboniferous Beds in the Carlisle Basin and Edenside

Published online by Cambridge University Press:  01 May 2009

F. M. Trotter
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Extract

The origin of the West Cumberland haematites is one of those unsettled problems that have exercised the minds of geologists and miners for more than half a century. Theories have been evolved, but not one can claim general acceptance. It is not my purpose to discuss these theories here, but the consideration of one of them was directly responsible for the examination of the reddened Carboniferous rocks that form the subject of this paper. This theory, first advocated by J. G. Goodchild and later supported by Dr. B. Smith, may be stated briefly thus: The New Red Sandstone rocks were the immediate source of the haematites. From these rocks the iron was carried in solution to lower levels by the downward percolation of meteoric waters. The theory had the merit of explaining, not only the haematite deposits of the Carboniferous Limestone of West Cumberland, many of which occur beneath the New Red Sandstone Series, but also the reddened Carboniferous strata frequently found in North-Western England, beneath and fringing the base of the Permo-Triassic rocks.

Type
Original Articles
Information
Geological Magazine , Volume 76 , Issue 9 , September 1939 , pp. 408 - 416
Copyright
Copyright © Cambridge University Press 1939

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References

page 408 note 1 “Some Observations upon the Mode of Occurrence and the Genesis of Metalliferous Deposits,” Proc. Geol. Assoc., xi, 1889–1890, 63–4.Google Scholar

page 408 note 2 Special Reports on the Mineral Resources of Great Britain (Mem. Geol. Surv.), vol. viii (Haematites of West Cumberland, Lancashire, and the Lake District), 1924, p. 38.Google Scholar

page 408 note 3 “Subterranean Penetration by a Desert Climate,” Geol. Mag., LXIII, 1926, 276–280.Google Scholar

page 410 note 1 Dr. H. C. Versey has independently observed pebbles of haematite in the Brockram of Southern Edenside.

page 411 note 1 Eastwood, T., in “Summary of Progress for 1923,” Mem. Geol. Surv., 1924, p. 71.Google Scholar

page 415 note 1 Op. cit., “Subterranean Penetration by a Desert Climate.”

page 416 note 1 Reuling, H. Th., in The Rhenish Schieferberge, Proc. Geol. Assoc., xlix, 1938, 233.Google Scholar