231 



at an early period in geological iiistory." Records of Mines. 

 1898. 



1899. IT. Y. L. Brown. Ohiddie Station : ^"Tlio coun- 

 try rocks in this district are vertical and inclined flaggv 

 slates, sandstones, limestones, and slate conglomerat<e." Pari. 

 Paper. 1899. 



1901. W. Howchin. Preliminary Note on Glacial Beds 

 of Cambrian Age in South Australia. Trans. Rov. Soc, f^nouth 

 Aus., 1901, p. 10. 



1901. C. Chewings. Glacial Beds of Cambrian Age in 

 Far North of South Australia. Trans. Rov. Soc, South Aus., 

 1901, p. 45. 



1901. T. W. Edgeworth David. The Glacial Theory ["By 

 an Investigator"]. The Uegkter (S.A.), September 17. 1901. 

 The Ad vert her (S.A.), same date. 



1902. Glacial Committee Report. Aus. Asso. for Ad- 

 vancement of Science, Hobart meeting, vol. ix., 1902, p. 190. 



1902. W. Howchin. Report of South Australian Glacial 

 Investigation Committee. Ih'id., p. 198. 



1902. T. W. Edgeworth David. Note appended to Re- 

 port of South Aus. Glac. Inves. Committee. Ihid, p. 199. 



1902. E. F Pittman. Two photographs of glaciated boul- 

 ders from glacial till, Petersburg, South Aus., Ih'id., facing p. 

 200. 



1905. J. D. Iliffe and H. Basedow. Paper read before 

 the Royal Society of South Aus., ''On the formation known as 

 Glacial Beds of Cambrian Age in South Australia." Abstracts 

 published in Adelaide daily press, April 5, 1905, et .<t^r/., in 

 correspondence columns. 



1906. J. W. Gregorv. "The Dead Heart of Australia." 

 p. 10, London. 



The beds were, in the first instance, and for many years 

 later, regarded as a "conglomerate." which is a formation 

 very distinct from a glacial till, both in its origin and char- 

 acteristics. The credit of first recognizing the true signifi- 

 cance of these beds belongs to Mr. H. P. Woodward, some 

 time Assistant Government Geologist in Adelaide : but their 

 glacial origin could not be regarded as definitely determined 

 until the discovery of undoubted glaciated erratics in the till 

 beds of Petersburg and other places, in 1901. 



LithologicaL—\ great uniformity of features is main- 

 tained over very wide areas, which makes the identification 

 of these beds comparatively easy. The ijreater j^art of the 



