Ontario Geological Survey
Permanent Link to this Record:
MDI52J14NE00005
| Record Name(s) | Island 34 - 1922 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2001-Feb-21 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Silver
Township or Area: Trist Lake Area
Latitude: 50° 57' 47.13" Longitude: -91° 1' 5.38"
UTM Zone: 15 Easting: 639169.351 Northing: 5647590.502 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52J14NE
Point Location Description: Northwest side of Island 34
Location Method: Other Literature
Access Description: Access is by boat to the southwest bay of Lake St. Joseph.
There is no record of exploration work for this occurrence.
Province: Superior
Subprovince: Uchi
Terrane: North Caribou
Domain: Uchi
Belt: Lake St. Joseph
Geological Age: Neoarchean
Aug 27, 2007 (Mark Puumala) - Bruce (1922) reported a silver assay of 2.08 oz/ton from a chip sample collected across a series of quartx veins located on the northwest side of Lake St. Joseph Island 34. The combined width of the veins was reported to be approximately 1.2 m over a total zone width of 6.1 m. Mapping by Clifford (1969) suggests that this occurrence is located near a northwest-striking metasedimentary-metavolcanic rock contact.
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Is |
|---|---|---|---|---|
| Terrigenous-Clastic-Unsubdivided | 2 | Near | ||
| Mafic lava flow-unsubdivided | 3 | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Quartz | Economic | Gangue |
| Rank | Classification |
|---|---|
| 1 | Vein |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
Map - Western part of Lake St. Joseph, districts of Kenora, Thunder Bay and Patricia, Ontario
Publication Number: ARM31E Scale: 1:63,360 Date: 1997
Author: Bruce E.L.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Iron formation of Lake St. Joseph
Publication Number: ARV31-08.001 Date: 1998
Author: Bruce E.L.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Miniss Bay sheet, Lake St. Joseph, Kenora and Thunder Bay districts
Publication Number: M2159 Scale: 1:31,680 Date: 1968
Author: Clifford P.M.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of the western Lake St. Joseph area, Kenora and Thunder Bay districts
Publication Number: R070 Date: 1969
Author: Clifford P.M.
Publisher Name: Ontario Dept. of Mines
Location:
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office