Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42A06SE00095

Record: MDI42A06SE00095

General

Mineral Record Identification
Record Name(s) Langmuir #1 Deposit - 1977, Langmuir 1-64 Group - 1965
Related Record Type Simple
Related Record(s)
Record Status Developed Prospect With Reported Reserves or Resources
Date Created 2004-Mar-08
Date Last Modified 2022-Sep-22
Created By
Revised By

Commodities

Primary Commodities: Copper, Nickel



Location

Township or Area: Langmuir

Latitude: 48° 20' 10.51"    Longitude: -81° 2' 4.35"

UTM Zone: 17    Easting: 497440   Northing: 5353675    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 42A06SE

Point Location Description: Flooded decline

Location Method: AMIS Site Visit

Access Description: Access to the property is via the all weather gravel road formerly known as the “Langmuir Mine” road or currently known as the “Stringer Road” southwards from South Porcupine, for approximately 14.9 km thence westwards on the mine road for approximately 6.7 km to the Langmuir No. 1 Mine and a further 2.4 km to the Langmuir No. 2 Mine.



Exploration History

1959-60: Texas Gulf Sulphur - ground geophysics, 2 ddh (194.1 m). 1964: Mespi Mines Limited - airborne geophysics. 1964-65: Mining Corporation of Canada Limited - ground geophysics, diamond drilling. 1966-73: Inco Ltd. - mapping, ground geophysics, 32 ddh (7091.5 m), OVD. 1972-78: Noranda Exploration Limited - DD, ramp development 1991-92: Timmins Nickel Ltd. - compilation, ground geophysics, 33 ddh (3730.2 ft); underground development (2946 ft in ore), OVD. 2000-03:-Sea Emerald Development Corporation/ Liberty Mineral Exploration Ltd. - 4 ddh (447 m), ground geophysics, airborne geophysics.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
T-0964 / 63.2044 42A06SE0113 42A06SE0113
T-0964 / 63.1400 42A06NE0273 42A06NE0273
T-3547 / 63.6198 42A07SW8456 42A07SW8456
T-4621 / 2.21677 / W0160.30376 42A06SE2008 42A06SE2008
T-1081 / 63.1610 42A12NW0107 42A12NW0107
T-0964 / 2.126 / #131/70 42A06SE0010 42A06SE0010
T-4763 / 2.24416 / W0260.01644 42A07SW2010 42A07SW2010
T-4953 / 2.26599 / W 0360.01748 42A07SW2012 42A07SW2012

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Geological Age: Neoarchean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Terrigenous-Clastic-Unsubdivided 1 Clastic Tuff Footwall
Ultramafic lava flow-unsubdivided 2 Komatiite Host
Peridotite 3 Peridotite Near

Lithology Comments

Dec 07, 2005 (A Wilson) - The ore deposit occurs along the basal contact of the lowermost ultramafic flow unit adjacent to the footwall volcanic rocks. All sulphide mineralization occurs at or within 30 m of the footwall volcanic contact. Ultramafic flows average 2.1 m thick and become progressively thinnner up sequence. Spinifex is better developed at higher stratigraphic levels in the ultramafic sequence. The deposit is located approximately 1500 m, along strike, southeast of the Langmuir #2.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PentlanditeEconomicOre
2PyrrhotiteEconomicOre
3ChalcopyriteEconomicOre
1PyriteEconomicGangue
2MagnetiteEconomicGangue

Mineral Record Details

Reserves or Resources Data
Zone Year Category Tonnes Reference Comments Commodities
Langmuir #1 2010 Indicated Mineral Resource 1733000 NI 43-101 rpt 06/01/2010 p. 173 Nickel 0.51 Percent
Langmuir #1 1992 Unclassified 150000 P. 5 IN T-4473; TIMMINS NICKEL TECHNICAL SUMMARY TO SUPPORT OMIP APPLICATION Nickel 2.1 Percent
Langmuir Drill 1990 Unclassified 190509 Timmins Nickel Inc., 1990 Annual Report 187,500 tons @ 1.79% NI; drill indicated reserves Nickel 1.79 Percent
Langmuir #1 1989 Unclassified 149186 NI 43-101 rpt 06/01/2010, p. 33 164,450 tons @ 2.10% Ni Nickel 2.10 Percent
Production Data
Year Tonnes Commodities Reference Comment
1991 38500 Nickel
NI 43-101 rpt p. 36 11,502 tons @ 1.74% Ni

References

File - Resident Geologist files T-0451

Publication Number: Date:

Author:

Publisher Name:

Location: Timmins RGP office


Map - Langmuir Township, District of Timiskaming

Publication Number: P0444 Scale: 1:15,840    Date: 1997

Author: Pyke D.R.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Nickel sulphide deposits associated with ultramafic rocks of the Abitibi belt and economic potential of mafic-ultramafic intrusions

Publication Number: S020 Page: 8-19  Date: 1979

Author: Coad P.R.

Publisher Name: Ontario Geological Survey

Location:


Map - Langmuir and Blackstock townships, Timiskaming District

Publication Number: M2206 Scale: 1:31,680    Date: 1970

Author: Pyke D.R.

Publisher Name: Ontario Dept. of Mines

Location:


Thesis - Evolution of Fe-Ni Sulphide Ore in Langmuir Township

Publication Number: Date: 1978

Author: Green, A.H.

Publisher Name:

Location: Timmins RGO


Map - Timmins, Precambrian geology

Publication Number: M2455 Scale: 1:50,000    Date: 1982

Author: Pyke D.R.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Geology of the Timmins area, District of Cochrane

Publication Number: R219 Page: 102-104  Date: 1982

Author: Pyke D.R.

Publisher Name: Ontario Geological Survey

Location:


Map - Langmuir-Sheraton area, districts of Cochrane and Timiskaming, Ontario

Publication Number: ARM49H Scale: 1:63,360    Date: 1997

Author: Berry L.G.

Publisher Name: Ontario Dept. of Mines

Location:


Thesis - Petrological Study of the Ultramafic Rocks of the Shaw Dome, p. 171-179

Publication Number: Date: 1975

Author: Muir, T.L.

Publisher Name:

Location: Timmins RGO


Map - Precambrian Geology of Carman and Langmuir Townships

Publication Number: P3268 Scale: 1:20,000    Date: 2005

Author: Houlé M.G., Guilmette C.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Geology of Langmuir and Blackstock townships, District of Timiskaming

Publication Number: R086 Page: 41-43  Date: 1970

Author: Pyke D.R.

Publisher Name: Ontario Dept. of Mines

Location:


Publication - Technical Report on the Initial Mineral Resource Estimate for the Langmuir North And Langmuir #1 Nickel Deposits, Langmuir Township, Ontario, Canada, 198p

Publication Number: NI 43-101 rpt Date: 2010

Author: R. Pressacco, R. Gowans, J. Steedman

Publisher Name:

Location: Timmins RGO


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