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V.—The Boulder-clay of Caithness a Product of Land-ice

Published online by Cambridge University Press:  01 May 2009

James Croll
Affiliation:
Geological Survey of Scotland.

Extract

A Considerable amount of difficulty has been felt by geologists in accounting for the origin of the Boulder-clay of Caithness. It is an unstratified clay, of a deep grey or slaty colour, resembling much that of the Caithness flags on which it rests.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1870

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References

page 209 note 1 This paper is illustrated by a Map (Plate X.), which will appear, together with the concluding part of the article, in our June Number.—Edit.