Ontario Geological Survey
Permanent Link to this Record:
MDI000000002968
Record Name(s) | Windfall Road - 2021 |
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Related Record Type | |
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Record Status | Discretionary Occurrence |
Date Created | 2022-Mar-17 |
Date Last Modified | 2022-Mar-18 |
Created By | |
Revised By |
Primary Commodities: Yttrium
Township or Area: Gould Lake Area
Latitude: 50° 30' 27.1" Longitude: -93° 15' 40.04"
UTM Zone: 15 Easting: 481484 Northing: 5595095 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid: 52K11SW
Point Location Description: Rock cut on the edge of Cedar River along Windfall Road.
Location Method: Field Visit with GPS
Access Description: Travelling East along Windfall Road from Highway 105.
2021: RGP geologists were completing reconnaissance in the English River subprovince, looking for peraluminous granites and pegmatites. Sample collected during visit.
Province: Superior
Subprovince: English River
Geological Age: Archean
Mar 17, 2022 (Paul Malegus) - White granitoid with significant abundance of biotite (40%) and approx. 20-30% muscovite. Primarily composed of quartz. XRD completed on green mineral, which is Apatite with inclusions of Xenotime.
Rock Type | Rank | Composition | Texture | Relationship | Quartz-Rich Granitoid | 1 |
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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 | Xenotime | Economic | Gangue | ||||
2 | Apatite | Economic | Gangue | ||||
3 | Quartz | Economic | Gangue | ||||
4 | Biotite | Economic | Gangue | ||||
5 | Muscovite | Economic | Gangue |
Rank | Characteristic |
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1 | Intrusive |
Date: Sep 13, 2021
Geologist: Paul Malegus
Notes: Part of reconnaissance for peraluminous granites.
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