Ontario Geological Survey
Permanent Link to this Record:
MDI000000002587
Record Name(s) | Campus Creek Property - 2021, Highstone Pegmatite - 2021 |
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Related Record Type | |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 2021-Oct-19 |
Date Last Modified | 2023-Jul-06 |
Created By | |
Revised By |
Primary Commodities: Lithium, Cesium, Rubidium, Tantalum
Township or Area: McNamara Lake Area
Latitude: 49° 18' 38.27" Longitude: -91° 38' 4.06"
UTM Zone: 15 Easting: 599255 Northing: 5462885 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52G05SE
Point Location Description: Sample B419026 location from Grid Metals October 5, 2021 news release
Location Method: Data Compilation
Access Description: The Campus Creek property is located directly adjacent to the TransCanada highway (Figure 1) and is road accessible with the initial discovery attributable to the recent logging in the area.
2021: Grid Metals Corp. optioned the property and carried out sampling which returned up to 4.35% Li2O in grab sample.
Province: Superior
Terrane: Winnipeg River
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | spodumene-bearing pegmatite | Is |
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Granite | 2 | Near |
Oct 19, 2021 (Therese Pettigrew) - Multiple fertile granite and granite pegmatite dyke outcrops have been identified by geochemistry over an initial reconnaissance prospecting area of ~4 km x ~2 km (Grid Metals Corp. October 5, 2021 news release).
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Spodumene | Economic | Ore | ||||
2 | Lepidolite | Economic | Ore |
Oct 19, 2021 (Therese Pettigrew) - Outcropping spodumene- and lepidolite-bearing pegmatite with high-grade Li2O contents have been identified. The spodumene in Highstone pegmatite is beige to pinkish indicating low iron content. Sample B419026 returned 4.35% Li2O. Sample B419088 returned 1.42% Li2O, 0.18% Cs2O, 0.45% Rb2O, and 304 ppm Ta (Grid Metals Corp. October 5, 2021 news release).
Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
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Cesium | Unknown | .01 | % | |||
Cesium | Unknown | .18 | % | |||
Lithium | Unknown | 4.35 | % | |||
Lithium | Unknown | 1.42 | % | |||
Rubidium | Unknown | .45 | % | |||
Rubidium | Unknown | .03 | % | |||
Tantalum | Unknown | 304 | ppm | |||
Tantalum | Unknown | 88 | ppm |
Rank | Classification |
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1 | Pegmatite |
Rank | Characteristic |
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1 | Intrusive |
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For detailed information regarding this mineral record please contact the Kenora Resident Geologist District Office