279 
The country rock is mica schist with outcrops of granite rock on Huon's 
Hill. Where the reef crops out the country is decomposed granite rock, 
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Fig. 36.—Plan showing Keef at Huon’s Hill. 
with mica schist close by. The reef ranges from 4 inches to 6 inches thick, 
occasionally thickening out to 1 foot or more. The quartz is of dull 
yellowish colour and contains much iron pyrites. The strike of the reef 
is north-west, the dip north-east at 50°. The main shaft is 75 feet 
deep and is on the east side of a fault which throws the south-east end of 
the reef about 1 chain to the south-west. The shafts are sunk to cut the 
reef on the dip ; they are close to the junction of the granite rock and the 
mica schist, so that the reef so far stoped out has been in granitic country; 
but by following the reef further on its dip it will be in mica schist 
country. From the main shaft the reef has been traced for about 10 chains 
to the north-west by shallow shafts and costeans. South-east from the 
main shaft the reef can be traced for 5 chains. It attains a thickness of 1 
foot on the saddle north-west from the main shaft. One chain north-west 
of the main shaft is an old shaft 120 feet deep, from which a great deal 
of work appears to have Been done. 
[28.2.08.] 
