Occurrence Details


Occurrence Number:
116B 085
Occurrence Name:
Oz
Occurrence Type:
Hard-rock
Status:
Showing
Date printed:
4/29/2025 12:58:18 PM

Print Options


General Information
Capsule
Work History
Assessment Reports
References

General Information

Secondary Commodities: copper, lead, silver, zinc
Aliases: Harp
Deposit Type(s): Sediment hosted Mississippi Valley-Type Pb-Zn (MVT)
Location(s): 64°44'12" N - -139°43'11" W
NTS Mapsheet(s): 116B12
Location Comments: .5 Kilometres
Hand Samples Available: No
Last Reviewed:

Capsule

Work History

Staked in Aug/74 as OZ cl 1-81 (Y89931) by Dynasty Explorations Limited, which conducted mapping and soil and rock geochem sampling later in the year.
In 1975, the OZ group was transferred to Cyprus Anvil Mining Corp, which drilled 3 holes totalling 379.5 m and completed grid soil sampling, mapping and hand trenching
Restaked as Harp cl 1-24 (YA64908) in Feb/82 by Enterprise Exploration Limited and transferred to U. Schmidt & E. Jensen, who prepared a topographic map in 1985. In Mar/91, the claims were transferred to U. Schmidt, who staked Harp cl 11-42 (YB40149). In Jul/95 the remaining surviving Harp claims (YA64908) were transferred to Jensen.
1 km to the north the following year Schmidt completed a property site map showing the location of claim posts, trenches and old drill hole locations. Schmidt also completed grid soil sampling, a radiometric survey and prospecting program. In Dec/96 the Corn claims were optioned to Atna Resources Ltd.
In Jun/96, High Sense Geophysics Ltd. under contract to Equity Engineering Limited flew a regional, helicopter borne, magnetic and radiometric survey over most of the Coal Creek Inlier, but no new claims were staked.

Capsule Geology

This occurrence is underlain by Middle Proterozoic Pinguicula Group siliceous carbonate rocks, Middle Proterozoic Wernecke breccias and mafic intrusive rocks (Hart River ?); and Lower Proterozoic Gillespie Lake orange weathering silty carbonates and shales (Thorkelson, 2000).
The area is noted to host two types of mineralization. The first reported as lead-zinc mineralization in stratabound sulphides occuring in a 1.5 to 15 m thick bed of black shale, argillite and chert containing bands and disseminated grains of galena and minor sphalerite with occasional barite. This type of mineralization is thought to reflect a sedimentary origin although best grades (up to 30% Pb + Zn with 102.9 g/t Ag) were found in brecciated zones related to faulting. The best assay from the 1975 drilling, which tested the central of three showings, was 2.2% Pb + Zn over 1.5 m. Also, dolomite breccias in adjacent rocks contain fracture fillings of calcite, barite and red-brown-yellow sphalerite with minor galena. These appear to be related to faulting.
The second type of mineralization reports lead-zinc-copper mineralization suspected to originate from the Wernecke Breccia unit. During Schmidt¿s 1996 program a ¿heart-shaped¿ breccia pipe was confirmed from local float with chalcopyrite mineralization and alteration similar to Wernecke breccias. Anomalous soils over the area assayed as high as 1181 ppm Pb, 1704 ppm Zn, 1.8m ppm Ag, and 127 ppm Cu.
The regional airborne geophysical survey outlined numerous northeast trending features which were interpreted to be faults..

References

CYPRUS ANVIL MINING CORPORATION LTD., Dec/75. Assessment Report #090041 by P. Dean.

DYNASTY EXPLORATIONS LIMITED, May/75. Assessment Report #061213 by P. Dean.

GORDEY, S.P., MAKEPEACE, A.J., Bedrock Geology, Yukon Territory, 1:1000 000 scale map. Geological Survey of Canada, Open File 3754 and Exploration and Geological Services Division, Yukon Indian and Northern Affairs Canada, Open File 2000-12.

ETHERIDGE HENLEY WILLIAMS & HIGH SENSE GEOPHYSICS LIMITED, Feb/97. Assessment Report #093600 by Allen Duffy et al.

MINERAL INDUSTRY REPORT 1974, p. 74-75; 1976, p. 85-86.

LANE, R.A., AND GODWIN, C.I., 1992. Geology of the Ogilvie Mountains Breccias, Coal Creek Inlier (NTS 116B/11,13,14), Yukon Territory. Exploration and Geological Services Division, DIAND, Open File 1992-1.

YUKON EXPLORATION 1985-86, p. 394.

SCHMIDT, U., Mar/85. Assessment Report #091631 by U. Schmidt.

SCHMIDT, U., Apr/97. Assessment Report #093657 by U. Schmidt.

SCHMIDT, U., May/97. Assessment Report #093688. by U. Schmidt.

THORKELSON, D., 2000. Geology and mineral occurrences of the Slats Creek, Fairchild Lake and ¿Dolores Creek¿ areas, Wernecke Mountains (106D/16, 106C/13, 106C/14), Yukon Territory, Bulletin 10.

Work History

Date Work Type Comment
12/31/1996 Ground Geophysics
12/31/1996 Geochemistry
12/31/1996 Airborne Geophysics Also radiometric survey .
12/31/1996 Other
12/31/1985 Airphotography Used airphotos to construct 1:50 000 topographic base map.
12/31/1975 Drilling Three holes, 379.5 m.
12/31/1975 Geology
12/31/1975 Geochemistry
12/31/1975 Trenching
12/31/1974 Geochemistry
12/31/1974 Geology
12/13/1996 Pre-existing Data Created property map showing all claim posts, trenches and showing.

Assessment Reports that overlap occurrence

Report Number Year Title Worktypes Holes Drilled Meters Drilled
095055 2007 Geological Report on the OZ 1-14 Claims Detailed Bedrock Mapping - Geology
094886 2006 Geochemical Report on the OZ 1-14 Claims Soil - Geochemistry
093600 1996 Logistics Report for a Helicopter Magneitc and Gamma-Ray Spectrometer Survey of the MONSTER Property Gamma-Ray Spectrometry - Airborne Geophysics, Magnetic - Airborne Geophysics
091631 1982 Report on Topographic Mapping Harp 1-10 Mineral Claims Orthophoto - Airphotography, Surveying - Other, Data Compilation - Pre-existing Data
061213 1974 Geological and Geochemical Report on the 1974 Field Work on the OZ Claims Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Bedrock Mapping - Geology, Line Cutting - Other, Prospecting - Other

Related References

Number Title Page(s) Reference Type Document Type
ARMC007794 Detail area map - Coal Creek dome - Reef project - Figure 11 Property File Collection Geochemical Map
ARMC007851 Orthophoto map - Coal Creek - Oz claims - Job No. 06153-1 Property File Collection Geoscience Map (General)
ARMC011372 Zinc geochemistry contour map - Oz claim group - Reef project Property File Collection Geochemical Map
ARMC011384 Geology map - Oz group - Reef project - HF9-140 Property File Collection Geoscience Map (Geological - Bedrock)
ARMC011385 Geology map - Oz group - Reef project - HF9-141 Property File Collection Geoscience Map (Geological - Bedrock)
ARMC016781 Geochemical map - 116B/12 Property File Collection Geochemical Map
ARMC016782 Geochemical map - 116B/13 Property File Collection Geochemical Map
ARMC013221 A brief geological report on the Oz and Tart groups Property File Collection Report
ARMC011311 Coal Creek Dome detail area map - Reef project - Fig. 13 Property File Collection Geoscience Map (General)
ARMC011340 Geochemical values map - Coal Creek Dome detail area - Reef project - Fig. 13 Property File Collection Geochemical Map
ARMC011303 Detail area map - Coal Creek Dome - Reef project - Fig. 12 Property File Collection Geoscience Map (General)
ARMC011370 Detailed geochemistry map - Oz claim group - Reef project Property File Collection Geochemical Map
ARMC019476 Field notes - Oz Property File Collection Miscellaneous Company Documents
ARMC011302 Geology of Coal Creek Dome - Reef project Property File Collection Geoscience Map (Geological - Bedrock)
ARMC011371 Lead geochemistry contour map - Oz claim group - Reef project Property File Collection Geochemical Map
ARMC018621 Field notes - Reconnaissance contour geochem lines - Kiwi, Tart, Oz, Will Property File Collection Miscellaneous Company Documents