Mi neralogical Characters. 
21 
locally-contorted and crumpled state of the Silurian strata near 
their contact with the former. 
According to the description given by Mr. A. R. C. Selwyn, of 
the country east of the Snowy River, the summits of many of the 
hills and ranges there consist of nearly vertical Silurian slates 
Eight feet. 
Fig. 4. — Ground Plan op contact op Granite and Silurian, 
Lower Three-mile Creek, BeeCHWORTii. 
The granite is a felspathic ternary Compound. The granite veins cut sharply across the 
indurated Silurian strata. They are fine-grained at the sides, but coarsely aggregated in 
the centre, and with strings and patches of yellowish orthoclnse. Two seta of vertical 
joints traverse the granite. Main joints E, to \V. The indurated Silurian rocks arc dense 
and crystalline, blackish or bluish-black in colour, and marked by fine stripes following the 
line of strike of the beds. . Dip. S. C3°-U5° W. at about SO. Patches and strings of quartz 
found in both rocks. 
