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X.—Was the Deposit of Flint and Chalk Contemporaneous?

Published online by Cambridge University Press:  01 May 2009

G. Abbott
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Extract

Many difficulties remain to be solved and much work to be done before we rest satisfied that we can understand how flint took the peculiar shapes and position in which we find it in the Cretaceous strata.

Type
Original Articles
Information
Geological Magazine , Volume 10 , Issue 6 , June 1893 , pp. 275 - 277
Copyright
Copyright © Cambridge University Press 1893

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References

page 275 note 1 This can hardly apply to the continuous horizontal layer of flint which occurs in the Chalk from Thauet to Dover.—Edit. Geol. Mag.

page 277 note 1 Mr. David Forbes, F.R.S., pointed out, many years ago, that the Hard Chalk and Grey Chalk really contained an equal quantity of silica as the Upper Chalk with flints, but it had not segregated out into flints in the former as in the latter formation. An excellent account of the Chalk formation and of the Flints and their probable mode of origin will be found in the Geology of England and Wales by Woodward, Horace B., F.G.S. (1887) pp. 397–401.Google Scholar See also paper on Banded Flints by DrWoodward, S. P. (Geol. Mag. 1864, pp. 145–149,Google Scholar Plates VII. & VIII.), and the Isle of Thanet and its Continuity of the Flint Floorings by Bedwell, F. A., M.A., F.R.M.S. (Geol. Mag. 1874, pp. 17–22,Google Scholar and Proc. Geol. Assoc. 1873, vol. iii. pp. 217–238, pl. iv.).—Edit. Geol. Mag.Google Scholar