209

is nearly flat-lying; is quite heavily mineralized; and occupies an area
about 30 feet long and 20 feet wide. Stripping and trenching in the vicinity
have failed to expose any significant extension of this deposit, nor has a
total of 210 feet of underground workings, directly beneath the mineralized
outcrop, revealed any significant indications of lead-zine mineralization.

Approximately 1,000 feet south of these workings considerable stripping
has been done and a shaft sunk to a depth of about 30 feet in brecciated
limestone partly replaced by siderite. The shaft encountered a small
deposit consisting of relatively coarse-grained, dark brown, resinous sphal-
erite and finer grained crystalline galena in a creamy, fine-grained ground-
mass of calcite. This deposit is unique for the vicinity of the Ferguson and
Onward properties in that it is found in a breccia that appears to cut
across, rather than follow, the bedding of the limestone.

BURDEN GROUP (4)

References: Dolmage, V.: Geol. Sury., Canada, Sum. Rept. 1927, pt. A, p. 35 (1928).

Lay, Douglas: Ann. Rept. B.C. Minister of Mines, 1928, p. 185.

The Burden group consists of two claims, the Burden and the Ruth B.,
staked in September 1927 by E. H. Burden of Prince George. They are on
the east bank of Swannell River about 5 miles above its confluence with
the Ingenika. The property is about 34 miles due east of the main work-
ings of the Ferguson group.

The mineral showing on the Burden group consists of several irregular
masses of white vein quartz in a highly calcareous tale-sericite schist of the
Ingenika group. The quartz is cut by veins and patches of cream-coloured,
coarsely crystalline calcite, and contains a few blebs and stringers of pyrite
and chalcopyrite.

About 100 feet downstream from the main quartz showing lies a
boulder, 2 by 2 by 4 feet, of solid, massive to fine-grained pyrite and
chalcopyrite, with blebs of white to bluish quartz and minor covellite and
bornite. Undoubtedly much of the work done on this property was under-
taken with a view to finding the ledge from which the boulder was derived.
It seems probable, however, that the boulder has travelled far, for it is
well rounded, and the quartz in it is quite unlike the milky, opaque variety
seen in place on the claims,

SWANNELL GROUP (5)

References: Lay, Douglas: Ann. Rept. B.C. Minister of Mines: 1927, p. 189; 1928,
p. 180; 1929, pp. 184-430.

The Swannell group of mineral claims is on Swannell River about 10
miles from its mouth, 3 miles by trail south of Delkluz Lake. The deposits
have been known for many years, and have been staked at intervals by
various residents of the district. They are at present held by Gust Ola of
Fort Grahame.

The showings lie on both banks of Swannell River, which at this point
flows easterly through a broad, flaring, drift-covered valley containing few
rock outcrops. Very little development work has been done on the showing,
and exposures are chiefly the result of erosion on the steep banks of the
river, which has cut a trench 10 to 40 feet deep and 60 feet wide.

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