Ontario Geological Survey
Permanent Link to this Record:
MDI52L08SW00021
Record Name(s) | Pegmatite #8 - 1994 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 2004-Jun-07 |
Date Last Modified | 2022-Feb-22 |
Created By | |
Revised By |
Primary Commodities: Lithium, Niobium
Township or Area: Treelined Lake Area
Latitude: 50° 16' 47.64" Longitude: -94° 28' 8.38"
UTM Zone: 15 Easting: 395336 Northing: 5570784 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52L08SW
Point Location Description: NW of Separation Lake and south of English River Road
Location Method: Data Compilation
Access Description: NW of Separation Lake
1997: Champion Bear Resources Ltd. conducted prospecting and sampling.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
---|---|---|
52L08SW0004 | 20000004902 | 20000004902 |
OM92-064 | 52L08SW0005 | 52L08SW0005 |
2.20238 | 52L08SW2008 | 52L08SW2008 |
52L08SW0013 | 20000005302 | 20000005302 |
2.17842 | 52L08SW0024 | 52L08SW0024 |
Province: Superior
Subprovince: English River
Belt: Separation Lake
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Complex-Type, Petalite-Subtype | Coarse-Grained | Host |
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Mafic lava flow-unsubdivided | 2 | Adjacent |
Jul 26, 2017 (C Ravnaas) - The pegmatite is hosted by mafic metavolcanics (amphibolite). Eastern Petalite Zone
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
---|---|---|---|---|---|---|---|
1 | Petalite | Economic | Ore | ||||
2 | Ferrocolumbite | Economic | Ore | ||||
3 | Tourmaline | Economic | Ore | ||||
1 | Feldspar | Economic | Gangue | ||||
2 | Quartz | Economic | Gangue | ||||
3 | Albite | Economic | Gangue |
Jul 26, 2017 (C Ravnaas) - The ore minerals are petalite, ferrocolumbite. The pegmatite contains abundant petalite, K-feldspar, quartz, albite; accessory ferrocolumbite, tourmaline.
Rank | Classification |
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1 | Magmatic |
1 | Pegmatite |
Rank | Characteristic |
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1 | Intrusive |
1 | Vein |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
---|---|---|---|---|---|---|---|---|---|
Regular | PRECAMBRIAN |
Map - Precambrian Geology, Separation Lake Greenstone Belt-West Sheet
Publication Number: P2673 Scale: 1:20,000 Date: 2008
Author: Blackburn C.E., Young J.B., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
Mono - Tantalum Mineralogy of Rare-Element Granitic Pegmatites from the Separation Lake Area, Northwestern Ontario
Publication Number: OFR6022 Scale: Date: 2000
Author: Tindle A.G., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
Article - Granite-Related Mineralization in Northwestern Ontario: II. Detailed Examination of the Separation Rapids (English River) Rare-Element Pegmatite Group
Publication Number: MP163.024 Scale: Date: 1994
Author: Breaks F.W., Tindle A.G.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Separation Lake Greenstone Belt, East Part
Publication Number: OFM0242 Scale: 1:20,000 Date: 1994
Author: Blackburn C.E., Young J.B., Searcy T.O., Donahue K.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Kenora Resident Geologist District Office