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Published online by Cambridge University Press: 01 May 2009
In “Nature”, August 26, 1886, vol. xxxiv. p. 387, I ventured to draw a distinction between the outliers of unfossiliferous Tertiary sands found at high altitudes on the North Downs and the deposits containing casts of fossils of Pliocene age which are found in hollows in the Chalk at Lenham. Last summer I visited and examined, I believe, all the more important outliers of the former series, Mr. J. Hutchins French, F.G.S., having kindly conducted me to those at Headley and Chipstead; those at Netley were visited with other members of the Geologists' Association under the direction of the same gentleman.
page 123 note 1 See Geological Magazine, Dec. II. Vol. III. No. 7, p. 303, 1876.Google Scholar
page 123 note 2 “Nature”, 10. 16, 1887, vol. xxxvi. p. 531.Google Scholar
page 123 note 3 Surely these are the patches of “clay-with-flints” (Argile à silex) of W. Whitaker and the French and Belgian geologists.—H. W.—The clays referred to are quite distinguishable from the “clay-with-flints” of Mr. Whitaker and the Survey, if by that term is understood the insoluble residue frequently found on the surface of the Chalk, the calcareous constituents of the original rock having been dissolved away by carbonated atmospheric waters; a kind of deposit known to the French geologists as “argile à silex” or “terrain superficiel de la craie” (Memoir, Les Causes Actuelles en Géologie, p. 300).—A. I.Google Scholar
page 124 note 1 See Mem. Geol. Survey, vol. iv.Google Scholar
page 124 note 2 Exclusive of the Oligocene.