Ontario Geological Survey
Permanent Link to this Record:
MDI52L08SW00026
Record Name(s) | Pegmatite #10 - 1994 |
---|---|
Related Record Type | Simple |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 2004-Jun-07 |
Date Last Modified | 2023-May-10 |
Created By | |
Revised By |
Primary Commodities: Lithium, Tantalum
Secondary Commodities: Niobium, Tin
Township or Area: Treelined Lake Area
Latitude: 50° 16' 43.42" Longitude: -94° 28' 18.76"
UTM Zone: 15 Easting: 395128 Northing: 5570658 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52L08SW
Point Location Description: North of Separation Lake and south of English River Road
Location Method: Data Compilation
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 |
---|---|---|---|---|
Mafic lava flow-unsubdivided | 2 | Adjacent |
Jul 14, 2010 (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 | Ferrotantalite | Economic | Ore | ||||
4 | Ferrotapiolite | Economic | Ore | ||||
5 | Wodginite | Economic | Ore | ||||
6 | Cassiterite | Economic | Ore | ||||
1 | Feldspar | Economic | Gangue | ||||
2 | Albite | Economic | Gangue | ||||
3 | Quartz | Economic | Gangue | ||||
4 | Muscovite | Economic | Gangue | ||||
5 | Garnet | Economic | Gangue |
Jul 26, 2017 (C Ravnaas) - The ore minerals are petalite, ferrocolumbite, ferrotantalite, ferrotapiolite, ferrowodginite, cassiterite. The pegmatite contains abundant petalite, K-feldspar, albite, quartz, muscovite and accessory garnet, apatite, oxides (ferrocolumbite, ferrotantalite, ferrotapiolite, ferrowodginite, cassiterite, nigerite).
Jul 26, 2017 (Therese Pettigrew) - Pegmatite 10 has a max 10.3 wt % Ta2O5 (Tindle and Breaks, 2000)
Rank | Classification |
---|---|
1 | Magmatic |
1 | Pegmatite |
Rank | Characteristic |
---|---|
1 | Intrusive |
1 | Vein |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
---|---|---|---|---|---|---|---|---|---|
Regular | PRECAMBRIAN |
Article - Granite-Related Mineralization in Northwestern Ontario: II. Detailed Examination of the Separation Rapids (English River) Rare-Element Pegmatite Group
Publication Number: MP163.024 Date: 1994
Author: Breaks F.W., Tindle A.G.
Publisher Name: Ontario Geological Survey
Location:
Journal - Columbite-Tantalite Mineral Chemistry from Rare-Element Granitic Pegmatites: Separation Lakes Area, NW Ontario, Canada; Mineralogy and Petrology, vol. 70, issue 3-4, pp. 165-198
Publication Number: Min&Pet V70 Date: 2000
Author: Breaks, F.W. and Tindle, A.G.
Publisher Name: Mineralogy and Petrology
Location:
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:
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:
Mono - Tantalum Mineralogy of Rare-Element Granitic Pegmatites from the Separation Lake Area, Northwestern Ontario
Publication Number: OFR6022 Date: 2000
Author: Tindle A.G., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.
Please review our Terms of Use agreement for this data product.
For detailed information regarding this mineral record please contact the Kenora Resident Geologist District Office