Ontario Geological Survey
Permanent Link to this Record:
MDI52L07SE00039
| Record Name(s) | Bob's Pegmatite - 1997 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2004-Jun-07 |
| Date Last Modified | 2022-Dec-08 |
| Created By | |
| Revised By |
Primary Commodities: Lithium, Rubidium
Secondary Commodities: Tin, Tantalum, Niobium
Township or Area: Paterson Lake Area
Latitude: 50° 15' 47.71" Longitude: -94° 34' 23.66"
UTM Zone: 15 Easting: 387870 Northing: 5569085.01 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52L07SE
Point Location Description: West of Big Whopper
Location Method: Data Compilation
Access Description: The property is accessed by travelling north from Kenora along Highway 658 to the English River Road turnoff, approximately 2 km south of the town of Redditt on the CNR mainline railway, then north on the English River Road to a boat landing and campground at Separation Rapids. From the Separation Rapids campground, the property can be reached by boat, 8 km west along the English River. Alternatively, the property can be accessed by logging roads off the English River Road, namely the Sand Lake Road and the Snook Lake Road, which terminates immediately west of the property. A 2 km bush road cleared in September 1997 for drill access from the termination of the Snook Lake Road can be travelled in the winter months by four-wheel drive and in the spring and summer months by ATV.
1996: Avalon Ventures Ltd. acquired the property. 1997: Avalon conducted linecutting, a ground magnetometer survey, trenching and sampling, and drilled 2 DDH totalling 274 m. 2017: Avalon Advanced Materials Inc. conducted vegetative sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 52L08SW0004 | 20000004902 | 20000004902 |
| 2.18285 | 52L07SE2001 | 52L07SE2001 |
| 2.19116 | 52L07SE2003 | 52L07SE2003 |
| 2.58249 | 20000015331 | 20000015331 |
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 |
|---|
Jul 13, 2010 (C Ravnaas) - Southwestern Petalite Zone, garnet-muscovite-quartz-K-feldspar zone, petalite and aplite zones.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Petalite | Economic | Ore | ||||
| 2 | Cassiterite | Economic | Ore | ||||
| 3 | Manganocolumbite | Economic | Ore | ||||
| 4 | Manganotantalite | Economic | Ore | ||||
| 1 | Feldspar | Economic | Gangue | ||||
| 2 | Quartz | Economic | Gangue | ||||
| 3 | Albite | Economic | Gangue | ||||
| 4 | Garnet | Economic | Gangue |
Jul 13, 2017 (C Ravnaas) - The ore minerals are petalite, cassiterite, manganocolumbite, manganotantalite. The pegmatite contains abundant K-feldspar, quartz, petalite, muscovite, albite; and accessory garnet, oxides (cassiterite, manganocolumbite, manganotantalite).
Jul 13, 2017 (Therese Pettigrew) - Samples collected during trenching on Bob’s Pegmatite returned a weighted average of 1.679% Li2O, 0.253% Rb2O, 0.001% Cs2O, 109 ppm SnO2, 52 ppm Ta2O5, 0.007% Nb2O5, and 0.047% P2O5 (AFRI 52L07SE2003).
| Rank | Classification |
|---|---|
| 1 | Magmatic |
| 1 | Pegmatite |
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
| 1 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 84 | 15 | PRECAMBRIAN |
Article - Rare-metal exploration potential of the Separation Lake Area: an emerging target for bikita-type mineralization in the Superior Province of northeastern Ontario
Publication Number: MP168.017 Page: 72-88 Date: 1997
Author: Breaks F.W., Tindle A.G.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, Operation Kenora-Sydney Lake, Umfreville-Separation lakes sheet, District of Kenora
Publication Number: P1028 Scale: 1:63,360 Date: 1975
Author: Breaks F.W., Bond W.D., McWilliams G.H., Gower C.F., Findlay D.C., Stone D.
Publisher Name: Ontario Division of Mines
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:
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