93

C—2

All analyses except the last were made in the Dominion Laboratory under the control of Dr. J. S. Maclaurin. Nos. Bto 11 are quoted from Park (18, pp. 544 and 545). LITEKATURE. 1. Hector, James : " Waipara District, Canterbury." Progress Report in Rep. Geol. Expl. during 1868-69, No. 5, 1869, pp. x-xii. Hector states that calcareous sandstones, with Miocene fossils [Mount Brown beds] rest unconformably on blue and grey marly sandstone, sometimes passing into chalk. [Grey Marl, Weka Pass stone, and Amuri limestone.] 2. Haast, Julius von :" On the Geology of the Waipara District, Canterbury." Rep. Geol. Expl. during 1870-71, No._6, 1871, pp. 5-19. 3. Hector, James : " North-east Portion ol South Island " ; " Marlborough and Amuri Districts." Progress Report in Rep. Geol. Expl. during 1873-74, No. 8, 1877, pp. vi-xiii. Some criticism of Hutton's report cited below is given. 4. Hutton, E. W. : " Report on the Geology of the North-ea.st Portion of the South Island from Cook Strait to the Rakaia." Rep. Geol. Expl. during 1873-74, No. 8, 1877, pp. 27-58. The principal references to the Weka Pass district are on pp. 43-46. Section X, opposite p. 56, illustrates Weka Pass stratigraphy. 5. McKay, Alex. : " Report on Weka Pass and Buller Districts." Rep. Geol. Expl. during 1874—76, No. 9, 1877, pp. 36-42. 6. McKay, Alex. : " Oamaru and Waitaki Districts." Rep. Geol. Expl. during 1876-77, No. 10, 1877, pp. 41-66. Pp. 44 and 45 refer to fossils collected in Waipara and Weka Pass districts. 7. Haast, Julius von : " Geology of the Provinces of Canterbury and Westland," 1879. The principal references to the Weka Pass district are on pp. 297, 298, and 306. See also references to Waipara district and formation. 8. Hutton, F. W. :" On the Geological Position of the Weka Pass Stone of New Zealand." Q.J.G.8., vol. xli, 1885, pp. 266-78. 9. Hector, James : Progress Report in Rep. Geol. Expl. during 1886-87, No. 18, 1887, pp. xi-xiii. 10. McKay, Alex. : "On the Junction of the Amuri Limestone and Weka Pass Stone, Weka Pass, North Canterbury." Rep. Geol. Expl. during 1886-87, No. 18, 1.887, pp. 78-91. 11. Hector, James : " Waipara and Weka Pass." Progress Report in Rep. Geol. Expl. during 1887-88, No. 19, 1888, p. xxxviii. 12. Park, James :" On the Geology of Waipara and Weka Pass Districts." Rep. Geol. Expl. during 1887-88, No. 19, 1888, pp. 25-35. 13. Hutton, F. W. :" On the Relative Ages of the New Zealand Coalfields." Trans. N.Z. Inst., vol. xxii, 1890, pp. 377-87. Much of this paper refers to the supposed unconformity between the Waipara and Oamaru formations. f4. Hector, James : " Waipara." Progress Report in Rep. Geol. Expl. during 1890-91, No. 21, 1892, pp. 1-liii. 15. McKay, Alex. : " On the Geology of the Middle Waipara and Weka Pass Districts, North Canterbury." Rep. Geol. Expl. during 1890-91, No. 21, 1892, pp. 97-103. 16. Hutton, F. W. : " Tho Geological History of New Zealand." Trans. N.Z. Inst., vol. xxxii, 1900, pp. 159-83. On pp. 168-70 are references to the geology of the Waipara and Weka Pass districts. 17. Park, .lames: "On the Age and Relations of the New Zealand Coalfields." Trans. N.Z. Inst., vol. xxxvi, 1904, pp. 405-18. On pp. 412-13 Park supports Hutton's view of an unconformity between Weka Pass stone and Amuri limestone. 18. Park, James: "On the Marine Tertiari.es of Otago and Canterbury, with Special Reference to the Relations existing between the Pareora and Oamaru Series." Trans. N.Z. Inst., vol. xxxviii, 1905, pp. 489-551. Pp. 538-46 deal mainly with the Weka Pass district. 19. Park, .lames: "The Geology of New Zealand," 1910. The principal references to Weka Pass geology will be found on pp. 88-89, 95, and 116-19. 20. Ulrich, E. 0. : " Revision of the Palaeozoic Systems." Bulletin of Soc. of America, vol. xxii, 1911, pp. 281-680. The matter having most application to the question of unconformity between parallel bedded formations will be found on pp. 462-67 and 526-31. 21. Marshall, P., Speight, R., and Cotton, C. A. : " The Younger Rock Series of New Zealand." Trans. N.Z. Inst., vol. xliii, 1911, pp. 378-407. Pp. 384-90 deal specially with the Weka Pass and Waipara districts. See also pp. 404, 406, 407, &c. 22. Park, James : " The Unconformable Relationship of the Lower Tertiaries and Upper Cretaceous of New Zoaland." Geol. Mag., n.s., Dec. v, vol. viii, 1911, pp. 539-49. 23. Marshall, P.: "The Younger Rock Series of New Zealand." Geol. Mag., n.s., Dec. v, vol.ix, 1912, pp. 314-20. 24. Park, James : " The Supposed Cretaceo-Tertiary Succession of New Zealand." Geol. Mag., n.s., Dec. v, vol. ix, 1912, pp. 491-98. 25. Marshall, P. : " Geology of New Zealand," 1912. Pp. 1.88 et seq. have some references to the geology of North Canterbury. 26. Cotton, C. A. : " Typical Sections showing the Junction of tho Amuri Limestone and Weka Pass Stone at Weka Pass." Proc. N.Z. Inst., in vol. nxliv of Trans., 1912, pp. 84-85. 27. Kindle, Edward M. : " The Unconformity at the Base of the Onondaga Limestone in New York, and its Equivalent West of Buffalo." " The Jour, of Geol., vol. xxi, 1913, pp. 301.-19. This paper describes fully an unconformity not easily detected at all points by stratigraphical evidence alone.