Ontario Geological Survey
Permanent Link to this Record:
MDI000000002567
| Record Name(s) | Sherridon Johnson Pegmatite - 1964, Jubilee Lake Pegmatite Group - 2001 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2021-Oct-18 |
| Date Last Modified | 2023-May-12 |
| Created By | |
| Revised By |
Primary Commodities: Rubidium
Secondary Commodities: Lithium, Cesium
Township or Area: Jubilee Lake Area, Birkett
Latitude: 51° 2' 36.57" Longitude: -92° 22' 37.33"
UTM Zone: 15 Easting: 543672 Northing: 5654846 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid: 52N01SW
Point Location Description: Sample 01-FWB-19 from OFR6099 converted to NAD83
Location Method: Field Visit
Access Description: Jubilee lake reached from Wenesaga road
1964: prospector Sherridon Johnson discovered the pegmatite. 2001: OGS staff carried out sampling.
Province: Superior
Subprovince: Uchi
Terrane: North Caribou
Domain: Uchi
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Pegmatite | 1 | Is |
|---|---|---|---|---|
| Arenite | 2 | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Beryl | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue | ||||
| 2 | Feldspar | Economic | Gangue | ||||
| 3 | Muscovite | Economic | Gangue |
Oct 18, 2021 (Therese Pettigrew) - Locality 01-FWB-19 consists of a rare-element pod surrounded by a pegmatitic leucogranite. The rare-element pod consists of green beryl up to 3 by 13 cm with moderate Cs contents (average of 0.34 weight % Cs2O), euhedral quartz (9 by 10 cm), blocky potassium feldspar (14 by 12 cm) and brown muscovite books with accessory red garnet and black tourmaline (Breaks et al., 2003).
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Cesium | Unknown | 122 | ppm | |||
| Cesium | Unknown | 5.29 | ppm | |||
| Cesium | Unknown | 7.24 | ppm | |||
| Lithium | Unknown | 88 | ppm | |||
| Lithium | Unknown | 56 | ppm | |||
| Rubidium | Unknown | 1861 | ppm | |||
| Rubidium | Unknown | 164.5 | ppm | |||
| Rubidium | Unknown | 137.66 | ppm |
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
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:
Mono - Fertile Peraluminous Granites and Related Rare-Element Mineralization in Pegmatites, Superior Province, Northwest and Northeast Ontario: Operation Treasure Hunt
Publication Number: OFR6099 Page: 22, 25 Date: 2003
Author: Breaks F.W., Selway J.B., Tindle A.G.
Publisher Name: Ontario Geological Survey
Location:
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