Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31M05NE00066

Record: MDI31M05NE00066

General

Mineral Record Identification
Record Name(s) City of Cobalt Mining Co. Ltd. - 1906, Mining Corporation of Canada - 1914, Agnico Mines Ltd. - 1968
Related Record Type Partial
Related Record(s)
Record Status Past Producing Mine Without Reserves or Resources
Date Created 1980-Oct-14
Date Last Modified 2023-Aug-24
Created By
Revised By

Commodities

Primary Commodities: Cobalt, Silver



Location

Township or Area: Coleman

Latitude: 47° 23' 32.93"    Longitude: -79° 41' 25.3"

UTM Zone: 17    Easting: 598834   Northing: 5249612    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 31M05NE

Point Location Description: City Shaft.

Location Method: Based on Assessment



Exploration History

1906-1914: City of Cobalt Mining Company, Limited – prospecting, development and mining. 1914: Mining Corporation of Canada: property acquired


Geology

Province: Southern

Subprovince: Cobalt Basin

Supergroup: Huronian Supergroup

Formation Group: Cobalt Group

Geological Age: Paleoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Terrigenous-Clastic-Unsubdivided 1 Contains

Lithology Comments

Jul 26, 2017 (A Wilson) - At the City Shaft the Cobalt Series sediments are about 196 feet thick; this thickness is made up of the following members: conglomerate; slate (bedded greywacke) and conglomerate. The thickness of the Cobalt Series sediments is 196 ft.




Mineralization

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

Mineral Record Details

Production Data
Year Tonnes Commodities Reference Comment
1930 1 Silver 435448675
Cobalt 11350
MRC 10, p.102-103 1907-32: No 24 – 32 Silver Vein System approximately 14,000,000 oz. Ag; 1907-32: Cobalt – possibly in excess of 100,000 lbs.

References

File - Resident Geologist files CO-0609, CO-0717

Publication Number: Date:

Author:

Publisher Name:

Location: Kirkland Lake RGP office


Map - Cobalt silver area, northern sheet, Timiskaming District

Publication Number: M2050 Scale: 1:12,000    Date: 1997

Author: Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:


Part - Geology of the mine workings of Cobalt and South Lorrain silver areas

Publication Number: ARV31-02.001 Page: 70-74  Date: 1998

Author: Knight C.W.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Crown-Reserve and Silver Leaf mines, showing plans of mine levels, Cobalt, District of Timiskaming, Ontario

Publication Number: ARM31A-02 Scale: 1:3,000    Date: 1997

Author: Knight C.W.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Preliminary report on part of Coleman Township, concession 6, lots 1 to 6, District of Timiskaming

Publication Number: PR1961-03 Page: 155-162  Date: 1998

Author: Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Silver cobalt calcite vein deposits of Ontario

Publication Number: MDC010 Page: 84-86, 102-103  Date: 1968

Author: Sergiades A.O.

Publisher Name: Ontario Dept. of Mines

Location:


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Ministry Contact Information

For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office