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VI.—The Isle of Thanet. The Ammonite Zone, the Depth of the Chalk in Section, and the Continuity of its Flint Floorings

Published online by Cambridge University Press:  04 June 2018

Extract

In the summer of this year I laid before the Geologists' Association some particulars of fourteen large Ammonites which I had found in the Chalk cliffs east and west of Margate. The following is the result of three weeks' further work on these cliffs.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1874

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References

1 But query if these three forma are not identical. I have a flint cast in my possession which looks very much as if it united all three forms in its markings. See also Sharpe's Mollusca, Pal. Soc.