Ontario Geological Survey
Permanent Link to this Record:
MDI52G05NW00007
Record Name(s) | Trend 2b Pegmatites - 2004 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 2004-Feb-11 |
Date Last Modified | 2023-Apr-18 |
Created By | |
Revised By |
Primary Commodities: Rubidium, Tantalum
Secondary Commodities: Cesium, Lithium
Township or Area: Raleigh Lake Area
Latitude: 49° 24' 42.21" Longitude: -91° 57' 25.26"
UTM Zone: 15 Easting: 575655 Northing: 5473750 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52G05NW
Point Location Description: N/A
Location Method: Based on Assessment
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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2.22429 / 52G05NW K-4 | 52G05NW2005 | 52G05NW2005 |
2.21766 / 52G05NW K-3 | 52G05NW2004 | 52G05NW2004 |
Province: Superior
Subprovince: Wabigoon
Belt: Raleigh Lake
Geological Age: Archean
Jul 27, 2022 (Q Unknown) - Grab samples taken from trend 2B, 600-700 m SW of Johnson Pegmatite. Four samples yielded: 822-1210 ppm Rb, 29-88 ppm Cs and 61-148 ppm Ta (KAF 52G05NW K-3). Trenching of trend 2B yielded two samples with 91-298 ppm Ta, 1090-1970 ppm Rb, 75-195 ppm Cs. Drill hole RL-01-08 intersected 3.70 m of pegmatite (known as 2B2 pegmatite) with 0.019% Ta2O5, 1910 ppm Rb, 620 ppm Cs and 537 ppm Li. Surface sampling at this drill site yielded 2 samples with 0.0350-0.051% Ta2O5 (KAF 52G05NW K-4).
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