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I.—The Recent Geological History of the Baltic. Part II: The Ancylus Sea and the Baltic Breach

Published online by Cambridge University Press:  01 May 2009

H. H. Howorth
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Extract

In the previous paper I ventured to trace the history of the Baltic back to the time when the latest of its raised beaches were laid down, and to show that it was then considerably larger in size, and that its waters were more salt than they are now, although they were even then brackish (see Map I, Pl. XIX).

This conclusion was derived mainly from an examination of the molluscan remains in the more recent shell-beds. It is confirmed by other evidence; thus, Munthe mentions the occurrence in the so-called Litorina beds of three species of Rhizopods, whose present and former distribution in the Baltic is shown in the following table:

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 8 , August 1905 , pp. 337 - 353
Copyright
Copyright © Cambridge University Press 1905

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References

1 This may be the same submerged forest mentioned by Porchhammer, who says it is situated between the island of Römöe and the dukedom of Slesvig, and that it is nine feet below high-water mark, and that its roots are still seen branching out into the sand. The fishermen say this forest consisted of fir. At other places far beyond the present shore forests of oak are found in the same situation below the mean level of the sea (Geol. Trans., ser. n, vi, 157–160).