117

about 60 feet thick and in this place contains disseminated pyrite and chal-
copyrite.

The upper mineral zones (See Figure 7) are veins perhaps formed
largely by replacement. They dip steeply southward into the hillside and
along their easterly strike their outcrops lie at elevations that rise from
4.325 feet to 4,825 feet above sea-level in a horizontal distance of 800 feet.
The veins are known as the Blue vein, Green vein, and White vein. To-
wards the east the Blue vein divides and one of the branches is named the
Jasper vein. The Blue and Jasper veins have been proved to have a
combined length of at least 700 feet and a width that locally is 10 feet but
perhaps averages no more than 5 feet. The Green vein may be an eastward
continuation of the Jasper vein. It is known to be at least 200 feet long,
is for the most part narrower than the Blue or Jasper veins, but in a
brecciated and branching part is 20 feet wide. The White vein is exposed
only in a few places and is not certainly known to be a single lode. It may
be 500 feet or more long; in one place it is more than 10 feet wide, but the
average width is much less.

The veins have numerous branches which appear to die out or pinch
to stringers within a hundred feet of the main veins. The Jasper vein and
its apparent continuation, the western part of the Green vein, consist of
irregular, branching veins and stringers in brecciated rock. This condition
may have been due to a local difference in the intensity of fracturing or in
the type of rock traversed by the main fracture zone. The chief vein
minerals are chalcopyrite, pyrite, hematite, magnetite, arsenopyrite, quartz,
jasper, and barite. Hematite, magnetite, and arsenopyrite are uncommon
except locally. Quartz is more plentiful than jasper or barite, but country
rock makes up most of the gangue matter. Judging from surface exposures
arsenopyrite is more abundant in the Blue vein than in the others, but
except for this feature all the veins are much alike. Metallic minerals make
up 20 to 50 per cent of the vein matter. Chalcopyrite is in most places as
plentiful as pyrite. Some channel samples across the veins average 10 per
cent copper and others show less than 1 per cent copper. Gold values vary
from a trace to 0-25 ounce a ton, the gold content appearing to depend on
the quantity of arsenopyrite.

George E Claim (Locality 77)

References: Annual Report of the Minister of Mines, British Columbia, 1907, 1908,
1909, 1910; Geol. Surv., Canada, Memoirs 32 and 159.

The George E claim lies between the property of the Dunwell Mining
Company, Limited, on the north, and the Glacier Creek Mining Company’s
claims on the south. The country rock is argillite of the lower part of the
Hazelton group.

Most of the development work was done many years ago and consists
chiefly of underground work on several parallel quartz veins. The veins
strike north and dip westward at moderate angles. An adit driven south-
eastward crosscuts three veins known as the First, Central, and Green
veins at respectively 40, 140, and 300 feet from the portal. Drifts have
been driven on each of the three veins. The First vein is 2 to 3 feet wide