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Published online by Cambridge University Press: 01 May 2009
Since the publication, in the Quarterly Journal of Science for July, 1876, of an article on the Indian Diamond Fields, in which the writer, Captain Burton, does not appear to be aware of what has been done in these Colonies towards adding to our knowledge of the geological history of the diamond, I have been induced to re-write a paper, jointly prepared by the late Professor Alex. M. Thomson, of the Sydney University, and myself, and read before the Royal Society of New South Wales on the 7th December, 1870; and to incorporate with it a series of my own papers (of which the above was merely a summary), which appeared in the “Sydney Morning Herald” previously to that date. I shall confine my remarks to the mode of occurrence of the diamond in New South Wales, as the late Rev. W. B. Clarke has, in his valuable and interesting Presidential Addresses to the Royal Society of New South Wales in 1870 and 1872, almost exhaustively treated the subject, as far as regards our present knowledge of the diamond all over the world.
page 400 note 1 1 See Trans. Eoy. Soc. N. S. Wales for 1870, pp. 94–106.—E. E., jun.
page 400 note 2 2 See Mines and Mineral Statistics of N. S. Wales for 1875, pp. 77–80.—E. E., jun.
page 402 note 1 See C. S. Wilkinson, Annual Report of the Department of Mines, N. S. Wales, for the Year 1876, p. 172; also Baron von Mueller, ibid, pp. 178–180.—R. E., jun.
page 405 note 1 In the Annual Report of the Department of Mines, New South Wales, 1876, page 173, Mr. Wilkinson, the Government Geologist, states, “The Coal-measures are seen again at the junction of Reedy Creek with the Cudgegong River; they extend into the Guntawang Paddocks, and then in a narrow belt as far as Beau Desert, where, in a well sunk near Mr. George Rouse's residence, the shales show markings of coal.” As a much older geologist than Mr. "Wilkinson, and having had a longer acquaintance with the district referred to, I cannot help stating that Mr. "Wilkinson must be in error in placing these rocks on the same horizon as the true Coal-measures, for the reasons given above.