230 



and silicified it through the entire mass." Ann. Report of 

 Government Geologist, 1884, p. 10. 



1884. H. P. Woodward. Report on Range to the east of 

 Farina. "Towards the north-east end of the rang^e these beds 

 [clay slates and quartzite] gradually change their lithological 

 characters into a conglomerate, with boulders from several 

 tons in weight to small pebbles of quartzite, sandstone, granite, 

 limestone, marble, and slate, scattered through a slaty mat- 

 rix, of which there are large patches without any boulders 

 or pebbles. These beds, from their resemblance to boulder 

 clay, have most probably been formed in a similar manner, 

 viz., by floating ice dropping boulders and pebbles on to clay- 

 beds in process of formation. They are from their marked 

 characters traceable throuph gradual chang-e into gneiss and 

 granite, where all the boulders, with the exception of the 

 quartzites, are also changed into granite, but generally of a 

 different textiire from the matrix, so that, on weathering, the 

 boulders come out in their original shapes. The slates are 

 seen in small strips of country, mostly in the centres of anti- 

 clinals or by faults. The boulder slate runs from the Daly 

 and Stanley Mines to Hamilton Creek and Bill}^ Spring's."' 

 Pari. Paper No. 40 of 1884, p. 3. 



1885. PT. Y. L. Brown. Journey to Silverton. "At Bim- 

 bowrie, granite and slate conglomerate, and mica schist. This 

 slate conglomerate contains pebbles and boulders of granite, 

 quartzite, etc, and is penetrated by small dykes of coarse 

 granite." Pari. Paper No. 143 of 1885. 



1891. H. Y. L. Brown. Further Geological Examina- 

 tion of Leigh's Creek and Hergott Districts: — "Along the 

 northern boundary of the range, going from Petermorra, 

 there are beds of ferruginous sandstone and boulder conglome- 

 rate, resting upon graiiitic and metamorphic rocks." Pari. 

 Paper, 1892. 



1894. H. Y. L. Brown. Report on the Peake and Denni- 

 son Ranges. The following clause probably refers to the beds 

 in question: — "Near the borehole., some fourteen miles north- 

 ward [of Anna Creek Railway Station], the strata are lime- 

 stone, clay slate, conglomerate, and a siliceous brecciated con- 

 glomerate." Ann. Report, No. 25 of 1894. 



1898. n. Y. L. Brown. Wadnaminga Goldfield : — 'The 

 slates and flags, as well as the limestone, in this vicinity, con- 

 tain scattered boulders and pebbles of various varieties of 

 granite, quartzite, sandstone, slate, limestone, and other 

 rocks, sometimes forming a true conglomerate. Some of these 

 boulders are very large, and, judging from their size and mode 

 of occurrence, have probably been transported by ice action 



