53 
MT LIVINGSTONE 
•4 
* 
The workings in this claim seem to he in the bed of an 
ancient tarn or mountain lake. The auriferous gravels, 
which consist principally of rounded fragments of gneissose 
and micaceous schist, granite belonging to this scries, 
felstones, and greenstones, with a few boulders of upper 
volcanic rock, rest in tolerably regular beds on a false 
bottom composed of boulders of igneous rock (shown by 
a horizontal black line in the section). These boulders 
have been derived probably from a volcanic cap similar 
to those which occur in situ elsewhere in the neighbor¬ 
hood. The boulders are in every stage of decay, from 
exfoliation in concentric layers to kaolin or magnesian 
clay, varying from white to brown in color, and in touch 
from harsh to soapy and tenacious. The beds of the old 
lake are now eroded on three sides, and the surrounding 
hills are degraded. The mica-schist of the eastern side, 
which forms the area around Livingstone township, is 
