Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52H09NE00019

Record: MDI52H09NE00019

General

Mineral Record Identification
Record Name(s) Lake Nipigon Central - 1984
Related Record Type Partial
Related Record(s)
Record Status Developed Prospect With Reported Reserves or Resources
Date Created 1984-Jul-23
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Iron



Location

Township or Area: Eva

Latitude: 49° 37' 36.45"    Longitude: -88° 2' 26.47"

UTM Zone: 16    Easting: 424842   Northing: 5497657    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 52H09NE

Point Location Description: Precise

Location Method: Conversion from MDI



Exploration History

1901: U.S. Steel Corp. Ltd. drilled 1 DDH. 1902: Algoma Commercial Company drilled 2 DDH. 1919-20: S.F. Walsh drilled 18 DDH totalling 7274 ft. 1922: Bethlehem Steel Company drilled 5 DDH.


Geology

Province: Superior

Subprovince: Quetico

Geological Age: Archean  



Lithology

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

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1HematiteEconomicOre
2JasperEconomicOre
3MagnetiteEconomicOre

Mineralization Comments

Apr 13, 2016 (Therese Pettigrew) - Four main and several smaller lenses over a distance of three miles, composed of quartz (jasper)-hematite iron formation with minor magnetite (MDC011).



Mineral Record Details

Classification
RankClassification            
1 Sedimentary
Characteristics
Rank Characteristic            
1 Stratiform
Reserves or Resources Data
Zone Year Category Tonnes Reference Comments Commodities
Lake Nipigon Central Claim A.L. 416 1968 Unclassified 4535900 MDC011 p. 378 5 million tons averaging 30% Fe were indicated in two separate bodies Iron 30 Percent
Lake Nipigon Central Claim A.L. 414 1968 Unclassified 3175130 MDC011 p. 378 A deposit 1,200 feet long and and 50 feet wide contains an estimated 3.5 million tons to a depth of 600 feet that averages 33.5% Fe, 0.118% P, 0.01% S, 43.5% SiO2. Iron 33.5 Percent, Phosphate 0.118 Percent, Silica 43.5 Percent

References

Part - The western part of the Sturgeon River area (Sturgeon R.-Beardmore section)

Publication Number: ARV45-02.002 Page: 76  Date: 1998

Author: Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Page: 377-378  Date: 1968

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Sturgeon River gold area, District of Thunder Bay, Ontario

Publication Number: ARM45A Scale: 1:63,360    Date: 1998

Author: Bruce E.L., Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Tashota-Geraldton sheet, geological compilation series, Thunder Bay and Cochrane districts

Publication Number: M2102 Date: 1997

Author: Pye E.G., Harris F.R., Fenwick K.G., Baillie J.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Eva Township, District of Thunder Bay

Publication Number: P0601 Scale: 1:15,840    Date: 1997

Author: Mackasey W.O.

Publisher Name: Ontario Dept. of Mines

Location:


Folio - Maryjane Lake area, District of Thunder Bay

Publication Number: GDIF187 Date: 1997

Author: Thunder Bay RGO

Publisher Name: Ontario Geological Survey

Location:


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Ministry Contact Information

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