Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42C12NW00011

Record: MDI42C12NW00011

General

Mineral Record Identification
Record Name(s) Hemlo Deposit Lower Zone - 1991, Lake Superior South Zone - 1947
Related Record Type Partial
Related Record(s)
Record Status Occurrence
Date Created 1991-Mar-26
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Gold



Location

Township or Area: Bomby

Latitude: 48° 41' 30.17"    Longitude: -85° 54' 37.78"

UTM Zone: 16    Easting: 580179.27   Northing: 5393758.73    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 42C12NW

Point Location Description: Point 90 from OGS map M2614

Location Method: Conversion from MDI



Exploration History

1947: Lake Superior Mining Corporation Ltd. carried out geological mapping and drilled 13 DDH. 1957-59: Lake Superior Mining drilled 9 DDH totalling 197.8 m.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
10 42C12NW0145 42C12NW0145
42C12NW0013B1 42C12NW0167 42C12NW0167

Geology

Province: Superior

Subprovince: Wawa

Terrane: Wawa-Abitibi

Belt: Schreiber-Hemlo

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Terrigenous-Clastic-Unsubdivided 1
Porphyry-unsubdivided 2 sills

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicOre
2MolybdeniteEconomicOre
3StibniteEconomicOre
4RealgarEconomicOre
5BariteEconomicOre

Mineralization Comments

Jan 29, 2019 (Therese Pettigrew) - Muir (2000) notes that the Hemlo Lower Zone is separated from the Main Zone by the Moose Lake Porphyry and is part of the Golden Giant mine.



Mineral Record Details

References

Map - Geological Compilation of the Eastern Half of the Schreiber-Hemlo Greenstone Belt

Publication Number: M2614 Scale: 1:50,000    Date: 2000

Author: Muir T.L.

Publisher Name: Ontario Geological Survey

Location:


Mono - Field trip guidebook to the Hemlo area

Publication Number: MP118 Scale:     Date: 1984

Author: Patterson G.C.

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 South Resident Geologist District Office