Ontario Geological Survey
Permanent Link to this Record:
MDI52L07SE00041
Record Name(s) | Pegmatite 93-249 - 1993 |
---|---|
Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 2004-Jun-07 |
Date Last Modified | 2023-May-19 |
Created By | |
Revised By |
Primary Commodities: Lithium
Secondary Commodities: Tantalum, Tin, Beryllium, Fluorite, Rubidium
Township or Area: Paterson Lake Area
Latitude: 50° 15' 45.01" Longitude: -94° 31' 51.63"
UTM Zone: 15 Easting: 390878 Northing: 5568938.99 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52L07SE
Point Location Description: Island on Separation Lake west of bridge
Location Method: Data Compilation
Access Description: on an island in English River
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
---|---|---|
52L08SW0004 | 20000004902 | 20000004902 |
2.20238 | 52L08SW2008 | 52L08SW2008 |
Province: Superior
Subprovince: English River
Belt: Separation Lake
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Beryl Type | Fine Grained | Host |
---|---|---|---|---|
Granite | 2 | Biotite-Muscovite-Garnet Leucogranite | Adjacent |
Jul 13, 2010 (C Ravnaas) - Separation Rapids Pluton, biotite-muscovite-garnet leucogranite, muscovite pegmatitic leucogranite.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
---|---|---|---|---|---|---|---|
1 | Ferrocolumbite | Economic | Ore | ||||
2 | Beryl | Economic | Ore | ||||
3 | Cleavelandite | Economic | Ore | ||||
1 | Feldspar | Economic | Gangue | ||||
2 | Quartz | Economic | Gangue | ||||
3 | Garnet | Economic | Gangue | ||||
4 | Muscovite | Economic | Gangue | ||||
5 | Biotite | Economic | Gangue | ||||
6 | Cordierite | Economic | Gangue |
Jul 13, 2010 (C Ravnaas) - The ore minerals are ferrocolumbite (1), beryl (1). The pegmatite contains abundant albite (cleavelandite), K-feldspar, quartz, garnet, muscovite, biotite; accessory ferrocolumbite, beryl; cordierite altered to garnet-muscovite-biotite and local beryl.
Jul 14, 2017 (Therese Pettigrew) - Pegmatite 93-249 is enriched in Rb (993 ppm), Ta (31 ppm), Li (1629 ppm), Sn (132 ppm), and F (2510 ppm) (Breaks, 2008).
Rank | Classification |
---|---|
1 | Magmatic |
1 | Pegmatite |
Rank | Characteristic |
---|---|
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 Date: 2000
Author: Tindle A.G., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Separation Lake Greenstone Belt, West Part
Publication Number: OFM0241 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 - Reference Specimen Collection of Rare-Element Pegmatites, Granitic Rocks and Migmatites, Mainly from the Superior Province of Ontario
Publication Number: OFR6224 Date: 2008
Author: 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 Date: 1994
Author: Breaks F.W., Tindle A.G.
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