Ontario Geological Survey
Permanent Link to this Record:
MDI52L07SE00036
| Record Name(s) | Pegmatite 94-24 - 1994, East Beryl Pegmatite - 1994 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 2004-Jun-07 |
| Date Last Modified | 2023-May-24 |
| Created By | |
| Revised By |
Primary Commodities: Niobium, Beryllium
Township or Area: Paterson Lake Area
Latitude: 50° 15' 16.25" Longitude: -94° 30' 35.41"
UTM Zone: 15 Easting: 392369 Northing: 5568020 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
1997: Tanco drilled 10 DDH totalling 854.35 m. 1998: Tanco conducted soil sampling and geological mapping.
| 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 | Host |
|---|
Dec 07, 2005 (C Ravnaas) - Exterior Beryl Zone.
| 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 | Topaz | Economic | Ore | ||||
| 1 | Albite | Economic | Gangue | ||||
| 2 | Feldspar | Economic | Gangue | ||||
| 3 | Quartz | Economic | Gangue | ||||
| 4 | Muscovite | Economic | Gangue | ||||
| 5 | Garnet | Economic | Gangue |
Jul 14, 2017 (C Ravnaas) - The ore minerals are ferrocolumbite, beryl. The pegmatite contains abundant albite, K-feldspar, quartz, muscovite; accessory beryl, garnet, ferrocolumbite, altered topaz.
| Rank | Classification |
|---|---|
| 1 | Magmatic |
| 1 | Pegmatite |
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
| 1 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | PRECAMBRIAN |
Journal - Columbite-Tantalite Mineral Chemistry from Rare-Element Granitic Pegmatites: Separation Lakes Area, NW Ontario, Canada; Mineralogy and Petrology v. 70, issue 3-4, p. 165-198
Publication Number: Min&Pet V70 Date: 2000
Author: Tindle, A.G. and Breaks, F.W.
Publisher Name: Mineralogy and Petrology
Location: https://www.researchgate.net/publication/42797106_Columbite-tantalite_mineral_chemistry_from_rare-element_granitic_pegmatites_Separation_Lake_area_NW_Ontario_Canada
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:
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