Ontario Geological Survey
Permanent Link to this Record:
MDI000000003036
Record Name(s) | Garnet Zone - 1991 |
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Related Record Type | |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 2022-May-31 |
Date Last Modified | 2022-May-31 |
Created By | |
Revised By |
Primary Commodities: Zinc
Secondary Commodities: Copper
Township or Area: Ratte Lake Area
Latitude: 50° 32' 2.59" Longitude: -88° 41' 40.2"
UTM Zone: 16 Easting: 379914 Northing: 5599383 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52I10SE
Point Location Description: Sample 206962 on map in Assessment report 52I10SE8267
Location Method: Based on Assessment
Access Description: The Garnet Zone is located on the McKinley Road in the Ratte Lake area.
1991-92: prospectors J.G. Clark and T. Maitland carried out prospecting, blasting, sampling, humus sampling, and mapping.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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OP92-747 | 52I10SE0002 | 52I10SE0002 |
63.6217 | 52I10SE8267 | 52I10SE8267 |
Province: Superior
Subprovince: English River
Terrane: English River Basins
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Claystone | 1 | graphitic argillite |
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Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Pyrite | Economic | Ore | ||||
2 | Pyrrhotite | Economic | Ore | ||||
1 | Garnet | Economic | Gangue |
May 31, 2022 (Therese Pettigrew) - Sample 206962 returned 2100 ppm Zn and 430 ppm Cu from a dark, fine-grained metasediment with 1-3% pyrite and pyrrhotite (Assessment report 52I10SE8267). Sample 22926 returned 4352 ppm Zn and 486 ppm Cu from a argillite with pyrite. Sample 22928 returned 3006 ppm Zn and 328 ppm Cu from a graphitic argillite with 5% pyrite and pyrrhotite (Assessment report 52I10SE8267)
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office