Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI000000002370| Deposit Name(s) | McKinnon Reef - 1973 |
|---|---|
| Deposit Status | occurrence |
| Date Created | 2020-Jan-13 |
| Date Last Modified | 2020-Jan-13 |
| Created By | T Pettigrew |
| Revised By | T Pettigrew |
Primary Commodities: gold
Township or Area: Glass
Latitude: 49° 35' 35.5" Longitude: -94° 58' 10.68"
UTM Zone: 15 Easting: 357659 Northing: 5495265 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52E10SW
Point Location Description: Drillholes from Assessment report 52E10SW8557
Location Method: data compilation
1973: Kenora Prospectors and Miners Ltd (KPM) carried out sampling. 1982: Denison Mines Ltd. carried out sampling. 1985: St. Joe Canada optioned the property from Kenora Prospectors and Miners. 1986-88: Bond Gold (formerly St. Joe Canada) drilled 4 DDH.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 63.5290 | 52E10SW8557 | Open |
| 63.3469 | 52E10SW8558 | Open |
| 38 | 52E10SW8513 | Open |
| 63.5293 | 52E10SW8559 | Open |
Province: Superior
Subprovince: Wabigoon
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship |
|---|---|---|---|---|
| vein | 1 | quartz | host | |
| felsic intrusive | 2 | granodiorite | contains |
01/13/2020 (T Pettigrew) - On McKinnon Reef, northeast of Cedar Island, there is a stockwork of interlaced quartz veins in grey granodiorite. It is exposed for w width of 15 to 20 feet on the reef (Assessment report 52E10SW8558).
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
|---|---|---|---|---|---|---|---|
| 1 | gold | economic | ore | ||||
| 1 | quartz | economic | gangue |
01/13/2020 (T Pettigrew) - A total of four holes (K86-01, K87-111 and K88-113, 115) have intersected sulphidized alteration zones and mineralized quartz veins located 225 m north of the Cedar Island Mainland Zone. The holes have returned gold values up to 13.03 g/t Au over 1.0 m (Assessment report 52E10SW8557). The zone contains two narrow but very rich quartz veins, the most northerly of which contains much free gold. Grab samples showing no visible gold assayed as high as 11 ounces per ton, Extensions of the veins are under water (Assessment report 52E10SW8558). Select samples taken by Denison Mines in 1982 from McKinnon Reef ran 1.45 oz Au/ton over 3 inches (49.7 g/t Au over 7.62 cm) and 3.51 oz Au/ton over 3 inches (120.3 g/t Au over 7.62 cm) (Assessment report 52E10SW8559).
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