KOCK TEMPERATUKES AT SYDNEY HARBOUR COLLIERY. 



211 



Birthday Shaft, Sydney Harbour Colliery. 



Strata. 



Thickness 



Depth from 

 Surface. 



Brickwork ... 



Yellowish-red, gritty, thick bedded ferru- 

 ginous sandstone 



Grey shaly sandstone 



Shale parting 



Rather hard thick-bedded grey sandstone 



Dark bluish-grey sandy shale 



Rather fine grained greyish sandstone 



Bluish-grey sandy shale 



Rather fine light grey sandstone with narrow 

 bands of nodular carbonate of iron 



;Shale parting 



Greyish-white sandstone with mica streaks 



Shale, horizontally bedded... 



Greyish-white sandstone with mica streaks 



Shale parting 



Greyish-white sandstone, false-bedded with 

 streaks of mica 



Fine grained greyish-white sandstone 



Grey sandstone, horizontally bedded with 

 shale bands 



Greyish-white sandstone, false-bedded 



Sandstone with pebbles of shale ... 



Shale band ... 



Greyish-white sandstone with balls of shale 



Fine grey sandstone with mica 



Greyish-white sandstone with a little fine 

 conglomerate ... 



Shale band ... 



Coarse sandstone, false-bedded 



Grey sandstone with pipes of shale 



Clay parting 



White sandstone 



Hard grey sandstone with dark streaks 

 false-bedded in places... 



Clay parting 



Hard grey sandstone with dark streaks 

 carbonate of iron nodules 



Hard grey streaky sandstone, shewing 

 current bedding 



Fine conglomerate passing into gritty sand- 

 stone with occasional nodules of car- 

 bonate of iron... 



7 



32 

 4 

 



49 

 5 

 1 



15 



OJ 

 42 6 



4 



24 







15 

 10 



18 8 

 5 6 



13 



3 



12 9 



19 8 



12 



7 







3 



9 



6 



7 











o* 



10 







23 



101 







2 



1 



H 



35 



n 



9 



2 



7 



39 2 



43 2 



43 3 



92 11 



98 4 



100 1 



108 5 



123 5 



123 51 



165 Hi 



170 5i 



194 81 



210 51 

 221 21 



239 101 

 245 4i 



258 



41 



258 



7 * 



271 



U 



291 



OJ 



303 



71 



303 



101 



313 



4 * 



320 



H 



320 



5 



330 



5 



354 3J 

 354 51 



355 9 



391 8 



400 10 



