III.—On Drift

In a letter to Nature for 14th May, 1874, Mr. Belt has expressed his belief that the presence of shells in glacial deposits, at whatever elevation they may be found, does not necessarily constitute a proof that the land has been depressed to that extent relatively to the level of the sea; but that i...

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Bibliographic Details
Published in:Geological Magazine
Main Author: Goodchild, J. G.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1874
Subjects:
Online Access:http://dx.doi.org/10.1017/s0016756800169808
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0016756800169808
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Summary:In a letter to Nature for 14th May, 1874, Mr. Belt has expressed his belief that the presence of shells in glacial deposits, at whatever elevation they may be found, does not necessarily constitute a proof that the land has been depressed to that extent relatively to the level of the sea; but that in such cases as those of the drifts of the basin of the Irish Sea the shells occur in their present positions because they were thrust thither out of the bed of the sea by the ice-sheet which was advancing from the North.