58 



Survey of Victoria, copies of which are enclosed with the 

 specimens. The litho. plates give detail sections of a shaft 

 where fossils were obtained; but as this does not explain the 

 general structure of the country in which 

 the fossil-bearing pliocene beds occur, I 

 have prepared the subjoined geological 

 section from a survey recently made by 

 me. This will supplement the informa- 

 tion given in the printed memoirs. 



a. Coarse, weU-rounded quartz pebble 

 drift containing gold in flat scales. The 

 gold is of inferior value (20 carat) to that 

 occuring in deposit 6 (23 carat), and the 

 grains are in many places discoloured by 

 a film of ferro-manganese. The deposit, 

 of Lower Pliocene age, is of small extent, 

 a mere outlier, or remnant, of a once wide- 

 spread marine drift. 



6. Auriferous, waterworn-quartz-pebble 

 drift, in part cemented by iron sulphide 

 into a pyritous conglomerate. This is a 

 fluvial deposit in the bed of an old river 

 channel (or "Lead" as the Australian 

 miner terms it). In it occur the fruit of 

 spondylostrobus, pliyraatocaryon, pen- 

 teune, etc. 



c. Sandy drift witli trunks, upwards of 

 3 feet in diameter, of sub-fossil cupressi- 

 nous conifer wood (possibly spondylo- 

 strobus), junks of lignite, and irregular 

 bands and patches of earthy brown coal. 

 The wood, as well as the xylocarps of 

 deposit h, are frequently partly or wholly 

 connected into pyrites, in which analysis 

 invariably detects the presence of gold. 





