Ontario Geological Survey
Permanent Link to this Record:
MDI000000003456
Record Name(s) | Tommyhow Lake East - 1991, BHP TL-91-5 - 1991 |
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Related Record Type | |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 2023-Jun-27 |
Date Last Modified | 2023-Jun-27 |
Created By | |
Revised By |
Primary Commodities: Copper
Township or Area: Whitebirch Lake Area
Latitude: 49° 50' 30.76" Longitude: -89° 44' 6.7"
UTM Zone: 16 Easting: 303347 Northing: 5524639 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52H13SE
Point Location Description: DDH TL-91-5 from Assessment report 52H13SE9189
Location Method: Based on Assessment
1991: BHP Minerals Canada Ltd. carried out electromagnetic surveys and drilled 1 DDH totalling 240.5 m.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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OM91-027 | 52H13NE2001 | 52H13NE2001 |
2.14143 | 52H14NW1004 | 52H14NW1004 |
2.14755 | 52H13NW0001 | 52H13NW0001 |
19 | 52H13SE9189 | 52H13SE9189 |
Province: Superior
Subprovince: Wabigoon
Belt: Obonga Lake
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Quartz-Feldspar Porphyry | 1 |
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Gabbro | 2 | |||
Felsic Tuff | 3 | Host |
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Chalcopyrite | Economic | Ore | ||||
2 | Pyrrhotite | Economic | Ore |
Jun 27, 2023 (Therese Pettigrew) - DDH TL-91-5 returned 2030 ppm Cu from within a quartz biotite rhyolite tuff (Assessment report 52H13NE2001).
Rank | Classification |
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1 | VMS Base Metal |
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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office