Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31C12NW00002

Record: MDI31C12NW00002

General

Mineral Record Identification
Record Name(s) Tomahawk - 1981, Mag-Iron - 1981
Related Record Type Compound
Related Record(s)
Record Status Developed Prospect Without Reported Reserves or Resources
Date Created 1981-Aug-04
Date Last Modified 2022-May-13
Created By
Revised By

Commodities

Primary Commodities: Iron

Secondary Commodities: Copper, Talc



Location

Township or Area: Lake

Latitude: 44° 43' 7.14"    Longitude: -77° 48' 38.24"

UTM Zone: 18    Easting: 277397.59   Northing: 4955540.161    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31C12NW

Point Location Description: Precise, north end of trench symbol NNE of Whetstone Lake.

Location Method: Conversion from MDI

Access Description: On the east side of Whetstone Lake.



Exploration History

1941-2: Test pits and 20 dd holes for 6,000 feet by Tomahawk Iron Mines Limited. 1946-58: Mining from open cut 250 feet by 25 feet and 20 feet deep. Mill constructed in 1946. Shipments of 10 tons by Tomahawk Iron Mines Limited in 1947, and 2086 tons by Mag-Iron Mining and Milling Limited and Clarken Development Co. between 1950 and 1957.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
5ActinoliteEconomicOre
10BiotiteEconomicOre
15ChalcopyriteEconomicOre
20HornblendeEconomicOre
25IlmeniteEconomicOre
30MagnetiteEconomicOre
35PyriteEconomicOre
40PyrrhotiteEconomicOre
45TalcEconomicOre

Mineral Record Details

Production Data
Year Tonnes Commodities Reference Comment
1957 1892 Iron
OGS 1968, MRC 11, pp155,156.
1947 9 Iron
OGS, MRC 11, 1968, p155-156

References

Publication - Iron ore occurrences in Canada; Canada Mines Branch, Publication 217

Publication Number: CMB Pub 217 Page: 118-119  Date: 1917

Author: Lindeman, M E; Bolton, L L; Robinson, A H A

Publisher Name: Canada Mines Branch

Location: https://doi.org/10.4095/305364


Mono - Report Of The Ontario Iron Ore Committee With Appendix 1923

Publication Number: NSP013 Page: 219  Date: 1998

Author:

Publisher Name:

Location:


Part - Mineral occurrences in the north Hastings area

Publication Number: ARV52-03 Page: 39-40  Date: 1998

Author: Thomson J.E.

Publisher Name: Ontario Dept. of Mines

Location:


MonoMap - Geology of Lake Township, Hastings County

Publication Number: R054 Date: 1968

Author: Laakso R.K.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Page: 155-156  Date: 1968

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Metallogeny of the Grenville Province, southeastern Ontario

Publication Number: OFR5515 Page: 96  Date: 1984

Author: Carter T.R.

Publisher Name: Ontario Geological Survey

Location:


Mono - Talc in southeastern Ontario

Publication Number: OFR5714 Page: 126-8  Date: 1989

Author: LeBaron P.S., van Haaften S.

Publisher Name: Ontario Geological Survey

Location:


Publication - Iron deposits of eastern Ontario and adjoining Quebec; Geological Survey of Canada, Bulletin 45

Publication Number: GSC Bulletin 45 Page: 43-45  Date: 1958

Author: Rose, E.R.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/100563


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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office