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Occurrence Details


Occurrence Number
105H 029
Occurrence Name
Fir Tree
Occurrence Type
Hard-rock
Status
Prospect


General Information

Secondary Commodities: copper, gold, lead, silver, zinc
Deposit Type(s): Skarn Pb-Zn
Location(s): 61.414440 N, -128.445560 W
NTS Mapsheet(s): 105H08
Location Comments: .5 Kilometres
Hand Samples Available at YGS: No

Capsule

Work History

Staked as Bryan and Pedro cl (88533) in Sep-Oct/63 by Norquest JV (Anaconda, Asbestos Corp, Bralorne Pioneer, Granby, New Jersey Zinc, and Utah), which built a road and performed trenching and soil sampling in 1964 and 1966, soil sampling in 1969 and more road work and trenching in 1970.
In 1973, the claims were transferred to New Jersey Zinc, which drilled 13 holes (582.8 m) later in the year and transferred the property to a new company, Blackjack ML.
Shell Canada Resources Ltd tied on the Cal cl (YA54371) in Apr/80 and entered a joint venture with Blackjack, performing road repair, line cutting, mapping, geochem sampling and trenching in 1980-81, and drilled part of 5 holes (137.8 m) on this occurrence in 1981.

Capsule Geology

Dark brown sphalerite, galena, pyrrhotite and pyrite with minor chalcopyrite and scheelite are finely disseminated in an epidote-rich gneiss band, which is cut by numerous dykes and sills related to a Cretaceous stock 1.6 km to the east. The mineralized band has been traced for a length of 396 m on surface and reaches a maximum thickness of 12.2 m.
The following assays were reported from selected specimens:

Pb (%)
Zn (%)
Ag (g/t)
Au (g/t)
Cu (%)
5.0
3.1
13.71
tr
0.4
4.1
3.8
37.71
tr
0.2
0.1
6.6
58.28
tr
0.2

The 1981 drilling encountered erratic zinc values within several mineralized bands.

References

DICK, L.A., 1980. A comparative study of the geology, mineralogy, and conditions of formation of contact metasomatic mineral deposits in the northeastern Canadian Cordillera. Unpublished Ph.D. Thesis, Queen's University, p. 8, 163, 166-170, 180-181.

GEOLOGICAL SURVEY OF CANADA Paper 65-19, p. 45-46; Paper 78-lA, p. 289-290.

NEW JERSEY ZINC EXPLORATION COMPANY LTD, 1973. Assessment Report *#091179 by J. Ariz.

NORQUEST JOINT VENTURE, 1969. Assessment Report *#060171 by A.A. Burgoyne and D.H. James.

SHELL CANADA RESOURCES LTD, 1980. Assessment Report *#090691 by W.A. Macleod.

SHELL CANADA RESOURCES LTD, Sep/81. Assessment Report *#090867 by W.A. Macleod.

SHELL CANADA RESOURCES LTD, Oct/81. Assessment Report *#091180 by W.A. Macleod.

SHELL CANADA RESOURCES LTD, 1981. Assessment Report *#090780 by W.A. Macleod.

YUKON EXPLORATION AND GEOLOGY 1981, p. 141-142.

YUKON GEOLOGY AND EXPLORATION 1979-80, p. 188.

Location Map

Last Updated: Sep 15, 2011

Work History

Year Work Type Comment
1981 Development, Surface: All Weather Road
1981 Drilling: Diamond Number of holes drilled: 5 Amount of work done: 137.7 METRES
1980 Other
1980 Trenching
1973 Drilling: Diamond Number of holes drilled: 13 Amount of work done: 582.8 METRES
1970 Development, Surface: All Weather Road
1970 Trenching
1969 Geochemistry: Soil
1966 Development, Surface: All Weather Road
1966 Geochemistry: Soil
1966 Trenching
1964 Development, Surface: All Weather Road
1964 Geochemistry: Soil
1964 Trenching

Regional Geology - Terrane

Group: Ancestral North America
Affinity: W Laurentia
Name: North America - basinal strata
Realm: Laurentia


Regional Geology - Bedrock

Supergroup: Windermere
Group/Suite: Hyland
Formation: Narchilla
Member:
Terrane: Laurentia
Period Max: Ediacaran
Age Max: 635 MA
Period Min: Cambrian
Age Min: 521 MA
Rock Major: shale, sandstone, siltstone
Rock Minor: limestone
Reference: Moynihan (2016) - YGS OF 2016-36
Geological Unit (1M): PCH
Geological Unit (250K): PCH8

Assessment Reports that overlap occurrence

Report Number Year Title Worktypes Holes Drilled Meters Drilled
090691 1980 Assessment Report on Road Rehabilitation and Survey Grid Lines, Bryan, Pedro, Ann and Wine Claims All Weather Road - Development, Surface
091179 1973 Drill Logs for the Fir Tree Area, Norquest Property Diamond - Drilling 15 580.89
091178 1966 Report Showing Details of Expenditures for Assessment Work Requirements - ""Copter"" Claim Group. All Weather Road - Development, Surface, Diamond - Drilling, Stripping - Placer Processing 8 602.28

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