Ontario Geological Survey
Permanent Link to this Record:
MDI000000001949
| Record Name(s) | Walkinshaw Lake - 2003 |
|---|---|
| Related Record Type | |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 2016-Jul-07 |
| Date Last Modified | 2022-Dec-08 |
| Created By | |
| Revised By |
Primary Commodities: Rubidium, Niobium, Tantalum, Lithium
Township or Area: Onion Lake Area
Latitude: 48° 38' 2.62" Longitude: -89° 4' 33.02"
UTM Zone: 16 Easting: 347063 Northing: 5388857 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52A11NE
Point Location Description: Sample 01-FWB-132-01 from OFR6099 p. 98
Location Method: Other
Access Description: Travel 18 kilometres North on HWY527 from HWY 17.
2001: Sampled by OGS staff as part of Operation Treasure Hunt. No assessment reports found on file.
Province: Superior
Subprovince: Quetico
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Terrigenous-Clastic-Unsubdivided | 1 | Near |
|---|---|---|---|---|
| Pegmatite | 1 | Green Muscovite Potassic Pegmatite | Host |
Mar 11, 2020 (Andrew Tims) - Pegmatite sheets, at least 5 m thick, hosted in a wacke dominated sediment.
Mar 11, 2020 (Andrew Tims) - Rb values up to 514 ppm is associated with a 20 to 30 cm wide dike of potassic pegmatite rich in green that also contained anomalous Li (11 ppm), Ta (33 ppm), Be (27 ppm), Nb (68.76 ppm), and Sn (11 ppm) coupled with an evolved Nb/Ta ratio of 2.07.
Mono - Fertile Peraluminous Granites and Related Rare-Element Mineralization in Pegmatites, Superior Province, Northwest and Northeast Ontario: Operation Treasure Hunt
Publication Number: OFR6099 Page: 98 Date: 2003
Author: Breaks F.W., Selway J.B., Tindle A.G.
Publisher Name: Ontario Geological Survey
Location:
Data - Electron Microprobe and Bulk Analyses of Fertile Peraluminous Granites and Related Rare-element Pegmatites, Superior Province, Northwest and Northeast Ontario: Operation Treasure Hunt
Publication Number: MRD111 Date: 2002
Author: Tindle A.G., Selway J.B., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
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