Ontario Geological Survey
Permanent Link to this Record:
MDI41P12SW00079
| Record Name(s) | Sheppard #10 - 1938, Claim S20660 - 1984, Siragusa #61 - 1993 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1993-Aug-12 |
| Date Last Modified | 2022-Jul-15 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Secondary Commodities: Copper, Zinc, Silver
Township or Area: Chester
Latitude: 47° 32' 47.25" Longitude: -81° 54' 30.4"
UTM Zone: 17 Easting: 431642.57 Northing: 5266292.69 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 41P12SW
Point Location Description: Edge of large 5 x 5 m pit.
Location Method: Field Visit with GPS
Access Description: Take the Mesomikenda Lake Young Shannon mine access roads off of Highway 144 to the upper Three Duck Lakes and travel by canoe south into the middle Three Ducks Lake. The showings are only a short distance from the west shore of the lake.
1931: R.S. Sheppard had discovered a number of auriferous veins in the area and in the following year the property was optioned to the West McWatters Syndicate who continued prospecting and trenching the property. A chip sample collected at this time assayed 9 g/t Au ($5.60). 1935: Buffalo Ontario Gold Mining optioned the property but what exploration took place is unknown. 1938 Buffalo ShepMac Gold sampled and drill tested a number of veins on the property and one long hole tested the #10 vein over 7.6m (25') but assays returned low values in gold. Another hole which tested the vein intersected a zone which ran 22 g/t Au ($13.30). 1981: Stralak Resources carried out a geological appraisal of the property but it is unknown if any exploration took place. 1982: Jarvis Resources acquired the property and over the next two years carried out VLF electromagnetic survey, a bulk sampling program on the #6 vein, collected muck samples on the #10 vein and drilled 27 holes on a number of different veins. The muck samples returned a value of 32 g/t Au and 8.65% Zn and the weighted average of the two intersections was 11.4 g/t Au over 1.76m (0.33opt, 5.8'). 1987: Canorth Resources carried out a program of prospecting, geological mapping, stripping, trenching and VLF electromagnetic, magnetic, and IP geophysical surveying. In the following year nine holes were drilled for 629m of which five holes tested the #10 vein but with disappointing results. The best value was 1.1 g/t Au over 0.8m (0.033opt, 2.8'). 2010: Trelawney Mining and Exploration Inc. – AEM, AMag.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| T-6382 / 2.50730 | 20000007118 | 20000007118 |
| T-3278 / 63.5176 | 41P12SW0036 | 41P12SW0036 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Swayze
Geological Age: Neoarchean Geochronological Age: 2740 MA Geochron. Age Ref.: GSC OF 3384 G
Dec 07, 2005 (S Fumerton) - Vein / silicified fracture system oriented at approximately 300 deg and dipping at about 60 deg to the northeast.
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Quartz | Vein | Host |
|---|---|---|---|---|
| Granodiorite | 2 | Host | ||
| Lamprophyre-Unsubdivided | 3 | Lamprophyre | Near | |
| Vein | 4 | Quartz | Host |
Dec 07, 2005 (S Fumerton) - The mineralization is hosted in a leucocratic tonalite with roughly equal amounts of quartz and plagioclase. Biotite is the main mafic mineral with minor amounts of clinopyroxene. Magnetite and chlorite occur in minor amounts as an in situ alteration product of biotite. Chlorite also occurs as fracture and vein fillings. Sericite alteration of the plagioclase is much more widespread. Near the mineralized zone the rock is marked by a grain size reduction, abundant sericite and carbonate in the rock matrix. Trace amounts of hematite occur in these sheared tonalites.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 3 | Sphalerite | Economic | Ore | ||||
| 1 | Magnetite | Economic | Gangue | ||||
| Sericite | Alteration | Potassic | 1 | Medium | Replacement | ||
| Chlorite | Alteration | Chloritic | 2 | Weak | Veins |
Dec 07, 2005 (S Fumerton) - Mineralization is associated with a quartz veins and altered shear zones. This mineralization is predominantly massive and semi massive pyrite with traces of chalcopyrite in quartz veins. Adjacent to the veins there are disseminated fine grains of pyrite and less abundant chalcopyrite.
Dec 07, 2005 (A Wilson) - A chip sample collected in 1931 ran 9 g/t Au. Assays from a diamond drilling program completed in 1938 returned 22 g/t Au. Muck samples from a bulk sample taken in 1982 returned values of 32 g/t Au, 8.65% Zn. Grab samples collected by the OGS in 1980 returned values of 30.2 g/t Au, 35.7 g/t Ag; 60.3 g/t au, 85.0 g/t Ag. A grab sample collected by the OGS in 1993 returned a value of 1.62 g/t Au, 3.7 g/t Ag, 0.01% Cu, 0.09% Zn.
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Copper | Unknown | .0294 | % | |||
| Copper | Unknown | .0145 | % | |||
| Copper | Unknown | .22 | % | |||
| Gold | Unknown | 1.62 | ppm | |||
| Gold | Unknown | 30.2 | ppm | |||
| Gold | Unknown | 60.3 | ppm | |||
| Lead | Unknown | .0053 | % | |||
| Molybdenum | Unknown | .0001 | % | |||
| Silver | Unknown | 35.7 | ppm | |||
| Silver | Unknown | 85 | ppm | |||
| Silver | Unknown | 3.7 | ppm | |||
| Zinc | Unknown | .0908 | % | |||
| Zinc | Unknown | 2.58 | % | |||
| Zinc | Unknown | 15.6 | % |
| Rank | Classification |
|---|---|
| 1 | Mesothermal |
| Rank | Characteristic |
|---|---|
| 1 | Sheared |
| 2 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Tabular | 400 | 1 | 50 | 300 | 65 | N/A | N/A |
Date: Aug 16, 1993
Geologist: K Houle
Notes: A 5 x 5 m pit in predominantly massive granodiorite (trondhjemite?). Pit is water filled up to within a meter of the surface and the water depth is on the order of about 2 m. Pit is centred over a NW trending quartz vein / silicified fracture system. Mineralization consists of massive and semi massive pyrite associated with quartz and silicified wall rock. Sample of massive and semi massive pyrite was taken at the north end of the pit.
Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario
Publication Number: GSC OF 1087 Page: 41P-39 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
Map - Three Duck Lakes area, District of Sudbury, Ontario
Publication Number: ARM41D Scale: 1:47,520 Date: 1997
Author: Laird H.C.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, Precambrian geology of Chester and Yeo townships, and parts of Neville and Potier townships, Jerome area, Sudbury District
Publication Number: P2449 Scale: 1:15,840 Date: 1981
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Parts of Chester, Neville, Potier and Yeo Townships
Publication Number: OFM0214 Scale: 1:15,840 Date: 1993
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Geology, Swayze greenstone belt, Gogama, Ontario
Publication Number: OF3384G Scale: 1:50,000 Date: 1999
Author: Heather, K B; Shore, G T
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/210455
MonoMap - Geology, Geochemistry and Mineralization of the Southern Margin of the Swayze Belt
Publication Number: OFR5844 Page: 91 Date: 1993
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)
Publication Number: OFR5912 Page: 418-419 Date: 1995
Author: Fumerton S.L., Houle K.A.
Publisher Name: Ontario Geological Survey
Location:
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