8

Barber Bill Group (5)

References: Ann. Repts., Minister of Mines, B.C.: 1910, p. 87; 1917, p. 107; 1928, p. 155.

The Barber Bill claims are on the east side of Silver Cup Basin on
the north side of Nine Mile Mountain. Silver Cup Basin is reached by way
of the Nine Mile Mountain road, which ascends to the lower end of the
basin at elevation 3,400 feet by a series of switchbacks. From the road
a good trail about 1 mile in length leads up to the workings, which are
situated in the timber. W. S. Harris and associates carried out a little
development work there in 1928.

At elevation 4,100 feet a vein is exposed by stripping and by open-cuts
for about 375 feet along the steep east slope of the basin. It is enclosed
in fine-grained, bedded greywacke immediately north of the northwest
end of the granodiorite stock that intrudes the sediments on this side of
the mountain. The vein strikes north, dips from 18 to 30 degrees east into
the mountain, and ranges from 4 inches to 4 feet in width. It lies along a
fault that follows closely the bedding of the tuffs. The vein is essentially a
replacement of the tuff along both sides of the fissure by very finely
crystalline jamesonite, sphalerite, galena, and arsenopyrite. There is a
little vein quartz and fine pyrite associated with these sulphides along
the original fissure.

Midway along its strike the vein is explored by a 45-foot adit with
a shallow winze, now water filled at the face. In the adit the vein has an
average width of 2 feet and where it is joined by a divergent fracture there
is a mineralized width of 4 feet for a short distance. A 24-inch channel
sample taken across the vein near the winze assayed: gold, 0-045 ounce
a ton; silver, 14-89 ounces a ton; lead, 5:67 per cent; zinc, 12-50 per
cent; antimony, 2-22 per cent; arsenic, 8-15 per cent.

In a trench 125 feet north of the adit, the vein is 1 foot wide and con-
sists of schistose tuff replaced by jamesonite, which is now greatly oxidized.
An 11-inch channel sample taken here across the vein assayed: gold, 0-03
ounce a ton; silver, 9-91 ounces a ton; lead, 5-88 per cent; zine, nil; anti-
mony, 1-91 per cent.

In a rock cut 150 feet south of the adit, the vein fissure is strong but
carries very little vein filling, and the wall-rocks are very sparsely miner-
alized. The granodiorite stock lies between 50 and 75 feet south of this
pit, but the actual contact is talus covered.

Silver Cup Group (6)

References: Geol. Surv., Canada, Sum. Repts.: 1909, p. 65; 1910, p. 97; Mem. 110,
1919, p. 84. Ann. Repts., Minister of Mines, B.C.: 1909, p. 84; 1910, p. 86; 1911,
p. 105; 1912, p. 118; 1914, pp. 201-204; 1915, p. 76; 1920, p. 84; 1925, p. 134;
1926, p. 126; 1927, p. 180; 1928, p. 152; 1929, p. 156.

The Silver Cup group of four Crown granted claims, the Silver Cup,
Silver Dollar, Duke, and Duchess, is on the north side of Nine Mile
Mountain and blankets the west side of a steep-walled cirque known as
Silver Cup Basin. The property is the most westerly of those on the north
side of the mountain. It is 8 miles north of New Hazelton station or 13