601 Extracts from the Minute Book of the Geological Society , 
Specimens collected upon Hill river. 
No. 17720, Coll. Geol. Soc. from the second bank on the north 
side of Hill river, as you ascend from Hill river house. Red 
calcareous clay. 
No. 17721, from the Sugar loaf. Slaty calcareous clay, enclosing 
many fragments of limestone, and having a tendency to break into 
rhomboidal forms. The strata of this clay rise towards the west at 
an angle of 80°. All the banks of the river from its mouth to the 
Sugar loaf are composed of it. 
No. 17722, from the 1st. carrying place. Slaty granite, or gneiss, 
composed of white quartz, black mica, and flesh-coloured felspar. 
No. 17723, From the same place; and forming veins in No. 
1. White milky quartz, containing yellow iron pyrites. 
No. 17724, from the same place. A slaty rock, consisting of 
quartz and mica, without any felspar. 
No. 17725, from the Point-of-rock handing place. Resembles 
No. 4. 
No. 17726, from the rocky carrying place. Black slaty 
hornblende rock, the hornblende being in small crystals. 
No. 17727, from little rocky island. Green talc imbedded in 
granite. 
No. 17728, from the smooth rock carrying place. Felspar 
forming veins. 
No. 17729, from the same place. Black mica and felspar, 
forming veins in a small grained granite.* 
* The following specimens collected by Mr. Holdsworth, or from rivers not mentioned 
in the route of Mr. Edwards. 
No. 17730, from the lower carrying place in Jack river. Coarse grained granite, 
containing reddish felspar and black mica. 
No. 17731, from the upper carrying place in Jack river. Granular quartz rock, con- 
taining black foliated mica, No. 17732. 
