Ontario Geological Survey
Permanent Link to this Record:
MDI52F08NW00017
| Record Name(s) | Old Timer - 1983 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Feb-27 |
| Date Last Modified | 2022-Jul-06 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Kawashegamuk Lake Area
Latitude: 49° 23' 19.54" Longitude: -92° 27' 41.25"
UTM Zone: 15 Easting: 539082.81 Northing: 5470813.487 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52F08NW
Point Location Description: Transfer
Location Method: Conversion from MDI
Access Description: The area of the Snake Bay - Old Timer Zone Project and is located some 55 km southeast of Dryden, Ontario. Access to the Snake Bay property claim group is via the Snake Bay Road, an all weather gravel road which leads south from Highway 17. This road runs through the middle of the claim group, and a number of logging roads lead off this road providing additional access to the region. The area contains numerous lakes interconnected by short portages or creeks. Virtually all the map area is within a kilometre of a road or navigable lake which greatly facilitates exploration work. (Assessment File 52F/08 NW R-5, Report of Esso Minerals Canada Activities; 1984, Kenora Resident Geologist Office)
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.7900 / 52F08NW R-2 | 52F08NW8151 | 52F08NW8151 |
Province: Superior
Subprovince: Wabigoon
Terrane: Western Wabigoon
Belt: Eagle-Wabigoon-Manitou
Geological Age: Precambrian
| Rock Type | Rank | Composition | Texture | Relationship | Gabbro | 1 | sheared |
|---|---|---|---|---|
| Vein | 2 | carbonate | Host | |
| Porphyry-unsubdivided | 3 | dyke |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Fuchsite | Economic | Ore | ||||
| 10 | Pyrite | Economic | Ore |
Jul 06, 2022 (Q Unknown) - Best assay: 3.0 g/t Au. The most significant gold mineralization on the Snake property is hosted by shear zones cutting oxide-bearing gabbro. The shear zones are part of a conjugate set trending 180°/90°and 120° /40° S respectively throughout the property. To date seven main mineralized zones have been discovered by EMC (Figs. 4, 5) of which five have been drilled. The shear zones range from 1.0 to 15.0 metres in width and are marked by an intense foliation developed parallel to the trend of the zones. These zones are the focal point for hydrothermal alteration and associated veining, generally consisting of an early carbonate (Fe-carbonate + minor pyrite) generation overprinted by a quartz stockwork vein set. The early carbonate veins are typically colliform textured, up to 5.0 metres in width, and have formed parallel to, and in the centre of, the shear zones. Consanguineous with the carbonate veining, carbonatized haloes in the wallrock developed up to 15.0 metres away from the zones. In the wider shear zones, thin (2m), lamprophyre dykes are found intruded along the centre of the veins. No significant Au values (i.e. 2.0 g/t) are associated with this period of veining. Sporadically developed zones of quartz-stockwork veining and associated silicification overprint the carbonate veining. These zones are typically small (2m) and anastomosing and are formed at the widest portions or bends in the shear zones. Sulphide mineralization (py, aspy), locally present in amounts up to 40% is found within the silicified zones. Significant gold values (i.e. 2 to 10 g/t) are intimately associated with this sulphide mineralization. Three Au-bearing zones were cleared, sampled and mapped during the 1984 field season. Two of these zones occur in the upper gabbro sill and the third in the lower gabbro sill. The Old Timer and Twilight Zones (Maps 3 and 5) occur within and adjacent to the "East Fault Zone”. Old Timer Zone: The Old Timer Zone (Map 5) occurs 100 metres southeast of the South Katisha Zone and is the southern extension of the same structure with similar alteration and mineralization suggesting that the South Katisha structure has a strike length in excess of 250 metres. As with the South Katisha structure, gold values in the Old Timer Zone are generally low (up to 2.5 g/t) and are associated with thin, less than 1 metre wide, silicified pods. The zone is exposed over a strike length of 50 metres with an exposed width of 5.0 metres. A sheared and carbonatized Thundercloud Porphyry dyke, 1 metre wide, cores the zone which dips 50° to 80°to the west. The footwall and hanging wall gabbros are extensively carbonatized and sheared. The zone itself is composed of a colliform textured carbonate vein ranging in width from 1.0 to 2.5 metres, with locally abundant (5-10%) pyrite. This carbonate vein contains only minor gold (tr - 0.5 g/t). A silicified lens, up to 2.0 m wide occurs in the middle of the zone. This lens has abundant pyrite (up to 15%) and fuchsite. Channel samples give values of 0.5 to 3.0 g/t. Parallel silicified/carbonatized zones presumably lie to the west underneath the swamp for a distance of approximately 10 metres, based on the drill intersection in the South Katisha Zone. (Assessment File 52F/08 NW R-5, Report of Esso Minerals Canada Activities; 1984, Kenora Resident Geologist Office)
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