Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52B01NW00007

Record: MDI52B01NW00007

General

Mineral Record Identification
Record Name(s) North Lake - 1950
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1984-Feb-01
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Iron



Location

Township or Area: Prelate Lake Area

Latitude: 48° 8' 37.37"    Longitude: -90° 27' 16.59"

UTM Zone: 15    Easting: 689340.16   Northing: 5335407.01    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52B01NW

Point Location Description: Precise

Location Method: Conversion from MDI



Exploration History

1950s: Sheritt-Gordon Mines Ltd. drilled 4 DDH.


Geology

Province: Southern

Formation Group: Animikie Group

Geological Age: Paleoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Ironstone-unsubdivided 1 Taconite Is

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1MagnetiteEconomicOre

Mineralization Comments

Mar 29, 2018 (Therese Pettigrew) - Samples from S and SW shores of Addie Lake assayed 32.2 and 26.9% Fe, and gave a magnetic concentrate of 55.5 and 51.9% Fe at -200M with 36.5 and 29.0% weight recovery (Shklanka, 1968).



Mineral Record Details

References

Map - Atikokan-Lakehead sheet, geological compilation series, Kenora, Rainy River and Thunder Bay districts

Publication Number: M2065 Scale: 1:253,440    Date: 1997

Author: Pye E.G., Fenwick K.G.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Scale:     Date: 1968

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


Part - Gunflint iron formation of the Whitefish Lake area, District of Thunder Bay

Publication Number: ARV69-07.002 Scale:     Date: 1998

Author: Goodwin A.M.

Publisher Name: Ontario Dept. of Mines

Location:


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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office