Note 40 — Chapter IV · CLAYS, SHALES, AND SLATES
Reading edition
Hall, "The Soil," ed. 2 (1908), 34, and E. J. Russell, "Clay," Standard Cyclopedia of Modern Agriculture (1908).
[41] Reade and Holland, "Sands and Sediments," Proc. Liv. Geol. Soc. (1903-6).
[42] Andrussow, "La Mer Noire," Guide des Excursions, viime Congrès géol. internat. (1897).
[43] B. Smith, "Upper Keuper Sandstone," Geol. Mag. (1910), 302. Compare F. Cresswell, Trans. Leicester Lit. and Phil. Soc. (1910).
[44] J. Murray and A. Renard, "Deep Sea Deposits," Challenger Rep. (1891), 231.
[45] Ibid., 234.
[46] Ibid., 229.
[47] Harker, "Slaty Cleavage and allied rock-structures," Rep. Brit. Assoc. (1885).
[48] Leith, "Rock Cleavage," Bull. U. S. Geol. Surv., No. 239 (1905).
[49] Lamplugh, "Geology of Isle of Man," Mem. Geol. Surv. Gt. Brit. (1903), 72-86.
[50] Darwin, "Geological Observations on S. America" (1846), chap. vi.
[51] Reade and Holland, "Green Slates of the Lake District, with a Theory of Slaty Cleavage," Proc. Liv. Geol. Soc. (1900-1), 124.
[52] A. Harker, "On 'eyes' of Pyrites &c.," Geol. Mag. (1889), 396.
[53] T. N. Dale illustrates an extreme case, "Slate Deposits of U.S.," Bull. U.S. Geol. Surv., No. 275 (1906), 31.
[54] Harker, op. cit., ref. 47, p. 19.
[55] Leith, op. cit., ref. 48, p. 152.
[56] I. Russell, "Glaciers of N. America" (1897), 25.
[57] See, for instance, T. W. Edgeworth David, "Evidences of glacial action in Australia," Q. Journ. Geol. Soc., 52 (1896), 289.