Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI52J02SW00020| Deposit Name(s) | Pat Lake - 1984 |
|---|---|
| Related Deposit Type | None |
| Deposit Status | occurrence |
| Date Created | 1995-May-30 |
| Date Last Modified | 2020-Mar-24 |
| Created By | Q Unknown |
| Revised By | T Pettigrew |
Primary Commodities: gold
Township or Area: Fourbay Lake Area
Latitude: 50° 2' 20.24" Longitude: -90° 46' 51.19"
UTM Zone: 15 Easting: 658902 Northing: 5545321 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52J02SW
Point Location Description: Trench from map in Assessment report 52J02SW0016
Location Method: based on assessment
Source Map: OGS 1980 MAP 2420 SQUAW LAKE
Sources Map Scale: 1:25 000
Access Description: Light aircraft can land on King Bay in summer and winter. Boats and snowmobiles can reach Sturgeon Lake from access points off Hwy. 599 between Cobb Bay and Trappers Point.
1984: Hudson Bay Exploration and Development Company Ltd. carried out prospecting and sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 52J02SW-0051 | 52J02SW0016 | Open Open |
Province: Superior
Subprovince: Wabigoon
Belt: Sturgeon Lake
Geological Age: Archean
02/01/2000 (R Tuomi) - The trench occurs in fine to medium grained metabasalt cut by southeast trending quartz-feldspar porphyry dikes.
| Rock Type | Rank | Composition | Texture | Relationship |
|---|---|---|---|---|
| vein | 1 | blue quartz | host | |
| mafic metavolcanics | 2 | host | ||
| porphyry | 3 | quartz - feldspar | dykes | near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
|---|---|---|---|---|---|---|---|
| 1 | gold | economic | ore | ||||
| 2 | chalcopyrite | economic | ore | ||||
| 3 | pyrite | economic | ore | ||||
| 1 | calcite | economic | gangue | ||||
| 2 | carbonate | economic | gangue | ||||
| 3 | quartz | economic | gangue | ||||
| carbonate | alteration | carbonatization | 1 | unknown | disseminated | ||
| chlorite | alteration | chloritic | 2 | unknown | disseminated |
02/14/2000 (R Tuomi) - Grab samples from the waste pile around the trenches assayed up to 0.19 ounces gold per ton. 1984: The only record of this showing is contained in Sioux Lookout Resident Geologist's Assessment File 52J02SW-0051. This file includes a sketch map of the location of a trench with assays of several blue quartz vein samples. A 50 m trench was excavated following a layering trending 020 which dips 52 to the south east. The south end of the trench is folded to the east in a rusty fault gouge which assayed 0.005 ounce gold per ton over 1 foot. It is probable that this trench was excavated before 1984.
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