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Ontario Geological Survey
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MDI52F07SW00016
| Record Name(s) | Weasel - 1972 |
|---|---|
| Related Record Type | SIMPLE |
| Record Status | Occurrence |
| Date Created | 1991-Jan-22 |
| Date Last Modified | 2021-Dec-07 |
| Created By | Q Unknown |
| Revised By | C Ravnaas |
Primary Commodities: Gold, Silver
Township or Area: Lower Manitou Lake Area
Latitude: 49° 15' 1.86" Longitude: -92° 57' 4.15"
UTM Zone: 15 Easting: 503554.731 Northing: 5455306.356 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52F07SW
Point Location Description: Precise
Location Method: Conversion from MDI
Access Description: The Weasel occurrence is located 60 km south-southwest of Dryden. The pit is situated on the portage which connects Lower Manitou Lake to Weasel Lake. The portage follows the Weasel River. The occurrence consists of one pit. (OFR 5731, p. 149, 150; 1990)
1972: The pit was identified on Map 2320 (Blackburn 1976) during regional geological mapping.
Province: Superior
Subprovince: Wabigoon
Terrane: Western Wabigoon
Belt: Eagle-Wabigoon-Manitou
Geological Age: Precambrian
Feb 23, 2010 (C Ravnaas) - BEST ASSAY: 0.534 OPT AU AND 0.44 OPT AG FROM GRAB (OGS 1990). 1972: The pit was identified on Map 2320 (Blackburn 1976) during regional geological mapping. The pit is sunk in chert interbedded with clastic sediments of the Etta Lake formation (Blackburn 1976, 1982). No bedrock is exposed around the pit. On the north wall of the pit, the schistosity, striking at 040� and dipping 50� to the southeast, is rotated into the narrow shear fabric striking 050�, and dipping 85� to the southeast, indicating a north-side-up, dipslip component of movement on the shear. Two quartz veinlets, 5 cm wide and 40 cm apart, are present in the pit. The quartz is light to medium grey, stained yellow by limonitic alteration, and sugary in texture. Mineralization in the veins consists of about 5% of very fine grained pyrite. Adjacent wall rock has rusty staining over a very narrow width, and contains <1% very fine grained pyrite. Three samples were taken by the author. A sample from the first vein assayed 0.255 ounce gold per ton and 0.47 ounce silver per ton, and a sample from the second vein assayed 0.534 ounce gold per ton and 0.44 ounce silver per ton. A sample of the wall rock assayed 0.009 ounce gold per ton and 0.07 ounce silver per ton. (OFR 5731, p. 149, 150; 1990)
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Limonite | Economic | Ore | ||||
| 10 | Pyrite | Economic | Ore |
Feb 23, 2010 (C Ravnaas) - BEST ASSAY: 0.534 OPT AU AND 0.44 OPT AG FROM GRAB (OGS 1990). 1972: The pit was identified on Map 2320 (Blackburn 1976) during regional geological mapping. The pit is sunk in chert interbedded with clastic sediments of the Etta Lake formation (Blackburn 1976, 1982). No bedrock is exposed around the pit. On the north wall of the pit, the schistosity, striking at 040� and dipping 50� to the southeast, is rotated into the narrow shear fabric striking 050�, and dipping 85� to the southeast, indicating a north-side-up, dipslip component of movement on the shear. Two quartz veinlets, 5 cm wide and 40 cm apart, are present in the pit. The quartz is light to medium grey, stained yellow by limonitic alteration, and sugary in texture. Mineralization in the veins consists of about 5% of very fine grained pyrite. Adjacent wall rock has rusty staining over a very narrow width, and contains <1% very fine grained pyrite. Three samples were taken by the author. A sample from the first vein assayed 0.255 ounce gold per ton and 0.47 ounce silver per ton, and a sample from the second vein assayed 0.534 ounce gold per ton and 0.44 ounce silver per ton. A sample of the wall rock assayed 0.009 ounce gold per ton and 0.07 ounce silver per ton. (OFR 5731, p. 149, 150; 1990)
Mono - Property visits by the Dryden area mineral commodity geologist, 1989
Publication Number: OFR5731 Scale: Date: 1990
Author: Delisle P.C.
Publisher Name: Ontario Geological Survey
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For detailed information regarding this mineral record please contact the Kenora Resident Geologist District Office