Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31M05SE00014

Record: MDI31M05SE00014

General

Mineral Record Identification
Record Name(s) Silver Bar Mining Co. Ltd. - 1905, Preston East Dome Mines Ltd. - 1912, Cobalt Products Ltd. - 1940, Mensilvo Mines Ltd. - 1946, Silver Arrow Mines Ltd. - 1947, Silver Crater Mines Ltd. - 1954, Juno Metals Corp. - 1957, Silver Summit Mines Ltd. - 1962, J.J. Grey - 1981, Silver Bar - 1983
Related Record Type Compound
Related Record(s)
Record Status Developed Prospect Without Reported Reserves or Resources
Date Created 1983-Jun-29
Date Last Modified 2023-Aug-23
Created By
Revised By

Commodities

Primary Commodities: Silver, Cobalt

Secondary Commodities: Copper, Lead, Nickel, Zinc



Location

Township or Area: Coleman

Latitude: 47° 22' 22.99"    Longitude: -79° 41' .13"

UTM Zone: 17    Easting: 599398   Northing: 5247462    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 31M05SE

Point Location Description: Shaft

Location Method: AMIS Site Visit



Exploration History

1905: Silver Bar Mining Company Limited - surface work, shaft sinking and surface diamond drilling. Several shafts with underground development; No 1 Shaft-100 ft. deep; No.2 Shaft- 140 ft. deep; No. 3 Shaft – 40 ft. deep; No. 4 shaft 70 ft. deep. No. 6 shaft – 40 ft. deep. No. 7 shaft – 200 ft. deep with levels at 140’ and 200’ 1962-64: development for the Mensilvo claim and adjoining Savage property was as follows, drifting 4060 ft.; cross-cutting 592 ft.1912-13 Preston East Dome Mines Limited.- from1936-44 small leasing operations were carried out by individuals and companies.; 1945: Van Tassel Silver Mining Syndicate Limited – dewatering, drove a crosscut northerly to the No. 2 shaft. 1946; Mensilvo Mines Limited. Carried out operations from1946 to 1954. 1954-56: Silver Crater Mines Limited acquired a lease on the property. 1957: Juno Metals Corporation. 1958-59: Coballoy Mines and Refiners Limited – property acquired. 1962-64: development for Mensilvo claim and adjoining Savage property – drifting 4060’; cross-cutting 592”; raising 1457’ and 149 UG-17,921’ drill holes; 1967-68: 313W drive on third level of the Alexandra shaft of the neighbouring Silverfields property was extended west to the Silver Summit property.


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
Mafic lava flow-unsubdivided 1 Footwall
Terrigenous-Clastic-Unsubdivided 2 Adjacent
Vein 3 Calcite, Quartz Is

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1SilverEconomicOre
3GalenaEconomicGangue
4ChalcopyriteEconomicGangue
5SphaleriteEconomicGangue

Mineral Record Details

Classification
RankClassification            
1 Vein (Cobalt-Type)
Production Data
Year Tonnes Commodities Reference Comment
1964 962 Silver 11658330
Cobalt 67877
Copper 9913
Nickel 9809
Silver Cobalt Calcite Vein Deposits of Ontario p.154-155 Silver(1913, 1924,36, 37, 40, 42, 44 to 50; 52 to 53 and 63 to 64) 374,824 oz.; Cobalt (1924;1936 – 40; 1942- 44; 1948-1950, 1952-53 and 1963-1964; 149,508 lbs.; 1913-1964 Cobalt 149,508 lbs.; Silver 374,824 oz., nickel 21,605 lbs, copper 21,834 lbs

References

File - Resident Geologist file CO-0774

Publication Number: Date:

Author:

Publisher Name:

Location: Kirkland Lake RGP office


Mono - Silver cobalt calcite vein deposits of Ontario

Publication Number: MDC010 Page: 84-86, 132-133  Date: 1968

Author: Sergiades A.O.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Preliminary report on parts of Coleman Township, concession 4, lots 1 to 5, and Gillies Limit, the eastern "A" claims, District of Timiskaming

Publication Number: PR1961-06 Page: 91-96  Date: 1998

Author: Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Cobalt silver area, southwestern sheet, Timiskaming District

Publication Number: M2051 Scale: 1:12,000    Date: 1997

Author: Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:


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