300 W. J. CLUNIES ROSS, 
four hundred and seventy feet above datum and does not reach 
the base of the basalt. A photograph of this quarry is exhibited. 
Another very interesting section of the basalt is that exposed 
in the shaft sunk by Mr. James Dewar, with aid from the pros- 
pecting vote, to test the underlying drift. The shaft is not far 
from the Corporation quarry, but at a higher level, about five 
hundred and sixty feet above datum. The following is a list of 
the rocks passed through in sinking :— 
Decomposed basalt... pes a cts 
Solid basalt ... Ne ue ai 60 >5. oa 
Columnar basalt Bes oe we eee 
Total basalt ; os ... 106 ft. 6 in. 
Beneath basalt— W nike nay we = Be 
Very fine white sand es 
Tough yellow clay oe 
Conglomerate | ae 
Wash, carrying fie la Bis 
Total depth of shaft to granite ... .». 121 ft. 6 in. 
—_—_—_———— 
A tunnel has been driven from the bottom of the shaft to th 
south-east. This commenced in granite, but the drift was after- 
wards met with and, after driving seventy feet on the level, it 
was carried in a sloping direction, following the wash down. The 
gravel is coarser than at first and still carries fine gold but is not 
payable as yet. The drive has since been continued and is noW 
(October, 1897) one hundred and thirty feet from the shaft. The 
drift has been followed to a depth of one hundred and fifty feet 
from surface and is a coarse red gravel. 
Beneath the basalt there is drift all round the hills. It is of 
variable thickness, and composed almost wholly of well rolled quart 
pebbles. At Mr. Dewar’s ee fifteen feet thick and becomes 
deeper in the tunnel. Good exposures are uncommon, but about 
a mile to the south of the Corporation quarry a tunnel was driven 
