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The Base of the Devonian, with special reference to the Welsh Borderland.

  • L. Dudley Stamp

Extract

The classification set forth in this paper is founded essentially on an examination of the junction-beds between the Silurian and the Devonian in the field. All the localities described have been studied personally by the writer, and in most cases the actual junction has been mapped on the 6-inch scale. The names of localities are taken from the 6-inch Ordnance Survey maps, the sheet number being quoted in each case.

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page 333 note 1 Lapworth, & Watts, , “Shropshire” in “Geology in the Field”: Jub. Vol. Geol. Assoc., 1910, p. 756.

page 333 note 2 Elles, & Slater, , op. cit., p. 204.

page 333 note 3 Stamp, , op. cit., supra, 1918.

page 334 note 1 Trans. Caradoc Field Club, vol. i, pt. iv, issued for 1896, 1897, pp. 181–3.

page 334 note 2 In this and all other tabulated successions the rocks are Downtonian unless otherwise stated.

page 335 note 1 Op. cit., p. 209.

page 335 note 2 To economize space by avoiding the repetition of fossil names, the fossils recorded are indicated by numbers referring to the lists in a later section.

page 336 note 1 Stamp, , op. cit., 1918, p. 238.

The Base of the Devonian, with special reference to the Welsh Borderland.

  • L. Dudley Stamp

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