Excerpt from The London and Edinburgh, Vol. 10: Philosophical Magazine and Journal of Science
I Did not venture to propose a separation of the marine deposits above the London Clay in Suffolk, until I considered myself in possession of something more than merely conjectural evidence to justify my division of these fossiliferous strata. That the immense accumulation of testaceous reliquiae forming the Crag might in some places be seen to be separated from the subjacent beds of clay by a deposit the characters of which did not accord with the general aspect of either of these formations, was a statement involving mere personal observation, and which could therefore at any time be readily refuted or confirmed. But that this coralliferous stratum should be looked upon as holding an intermediate place not only in geological position, but in age, when considered in relation to the beds above and beneath it, was suggesting a notion which appeared to me so far admissible, that its adoption or rejection would entirely depend upon the results attending continued investigation.
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