Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )


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Abandoned Mine Identifier: 03781

General Information

Permanent Link to this Record: 03781


Abandoned Mine Identifier: 03781

Official Name: Sherman

Site Classification: A

Primary Commodity: Iron

Long Name: 2017580052100

Date Mine Opened: 1968-01-01

Date Mine Closed: 1990-03-31

Mine Closure Reason: Ceasing Production - Other

Mine Closure Plan: Yes

Rehabilitation Plan: No

Mine Plans on File: No

Legal Jurisdiction: Mining Act

Date Record Last Modified: 2013-07-19

Location Information

Township or Area: Strathy

District: Cobalt

NTS Number: 031M04

Longitude (dd): -79.84031 | Latitude (dd): 47.06726

UTM Zone: 17 | Easting: 588055 | Northing: 5213291

Operational Access Description: Closure Plan No. S02 Access; Drive 1.5km North From Temagami On Hwy 11 Turning West Off Hwy 11 And Driving 4km To Gate/gatehouse. Past Producer Five Open Pits, Four Large Waste Rock Areas; Closure Plan Received July 1990; Site Is Currently Subject To A Voluntary Rehabilitation Plan With Reporting To Mndm (previous Owners, Cliffs Of Canada/dofasco And Are Slowly Cleaning Up Some Of The Surface Infrastructure); Secondary Commodity Of Actinolite. The Year 2000 Survey Reports Tailings Areas, Dams, Open Pits, Misc Mine Buildings, Smoke Stack, Decant Towers, Garbage Dumps And Waste Rock Piles.


Hazard Feature Information

Mine Feature
Hazard Status
Condition
UTM Zone
Easting
Northing
Miscellaneous Structures
Active
2013 Inspection; The Former Gate House Has Been Vandalized And Is Readily Accessible To The Public. 2000 Assessment; Gatehouse And Office Beside The Locked Access Gate - Stands At The Head Of The Road Entrance To The Working Site. From The Flagpole/o
17
587526
5213355
Miscellaneous Structures
Not A Hazard
2013 Inspection; A Storage Shed Is Also Located Nearby And Has A Collapsed Roof. 2000 Assessment; Rock Fill Roadway And Decant Building On The South Side Of Turtle Lake Is Grouped Into This Feature. The Building Is Monitored By Site Personnel And Is L
17
587739
5213299
Miscellaneous Structures
Active
2000 Assessment; Structures And Waste Rock - This Feature Includes The Area Around The Former Loading Bins/tramway For Rail Car Loading (5 Pylons Still Standing) Sitting On Crushed Rock Fill And Close To A Large Mound/ramp Used For Dumping/loading By Truc
17
587838
5213193
Open Pit
Active
2013 Inspection; This Site Was Not Visited During The Inspection. Previous Inspections Have Identified That The Pit Was Rehabilitated Per The Closure Plan. Drainage From The Pit Flows Into Link Lake Through A Wetland. 2000 Assessment; East Pit, Which
17
590695
5212983
Open Pit
Active
2013 Inspection; Boulder And Chain Link Fencing Has Been Installed Along The Haul Road Adjacent To The West Pit. Water From The West Pit Is Directed To O'conner Lake Prior To Discharge To The North Pit And Subsequently Down Vermilion Creek To Lake Tet
17
583419
5212668
Open Pit
Active
2013 Inspection; Feature Known As Turtle Pits Or Turtle Lake. Consists Of A Number Of Areas Along Turtle Lake Which Were Mined. The Workings Have Become Flooded And The Water Level Within Turtle Lake Has Returned To Pre-mining Levels. Discharge From Lake
17
588584
5212331
Open Pit
Active
2013 Inspection; The North Pit Receives Surface Drainage From The West Pit. Tailings Area, And Oconner Lake. The Discharge From The North Pit Flows Down Vermilion Creek To Lake Tetapaga. Note: Dimensions Are Approximate, Taken From Imagery.
17
585924
5213867
Open Pit
Active
2013 Inspection;the South Pit Discharges Through A Constructed Channel To Turtle Lake. The Construction Of A Dam On The Outlet Channel Of The South Pit Has Raised The Water Level Within The Pit To Flood The Marcasite Shelf. This Was Done To Reduce The Gen
17
586599
5211787
Other Infrastructure
Active
2013 Inspection; No Mention Of This Feature 2000 Assessment; Garbage Dump - Located To The Southeast Of The Rail Yard And Is Highly Visible; Comprised Of Mine Waste Items Such As Loader Tires, Scrap Metals, Old Drums, Wood Etc.
17
588209
5213213
Smoke Stack
Rehabilitated
2013 Inspection; No Reference To This Feature. 2000 Assessment; Smoke Stack: Free Standing Cement Stack Close To The Refining Area/propane Storage Yard Located At The East Side Of The Mine Building Infrastructure.
17
587795
5213297
Tailings - Confined
Active
2013 Inspection; The Tailings Area Is Well Vegetated With Colonization Of Native Species Occurring. An Area Within The Tailings Management Area (sedimentation Pond) Remains Flooded. 2000 Assessment; This Feature Is A Low, Flooded, Bermed Area Which Is
17
587668
5215270
Tailings - Confined
Active
2000 Assessment; Large Waste/tailings Area - Mainly West Of The Main Gate Between The Mine Building Infrastructure And The West Pit Area. The Tailings Appear Stable, Dry And Not Producing Any Observable Run-off. The Tailings Occupies At Least Two Former
17
588117
5213402
Tailings - Confined
Active
2000 Assessment; Main Northwest Tailings Impound Area And Outflow Water From The Main Dam Located At The Northwest Portion Of The Tailings Dam Area. The Tailings Is Surrounded By A Large, Well-made Rock Dam Structure All Around It Perimeter And Is Bermed
17
587622
5213696
Tailings Dams
Active
The Dam Does Not Hold Back Water And May Not Need To Be Classified As A Dam. Some Of It Was Difficult To Differentiate From The Surrounding Land And Tailings. Small Trees Near The Crest And Upstream, Downstream Is Covered With Large Boulders.
17
588055
5213291
Tailings Dams
Active
2013 Inspection; Dam E1 Separateds The Main Tailings Area From Cooke Lake. Drainage Is Away From The Dam Towards The Former Settling Pond. No Water Is Impounded By The Dam
17
587699
5215339
Tailings Dams
Active
2013 Inspection; Dam E2 Was Constructed To Provide Access To The Tailings Management Area. Some Tailings Are Located On The Upstream Side Of The Dam, However, It Is Speculated That These Tails Were Placed Here To Facilitate Drainage Away From The Dam And
17
587577
5214597
Tailings Dams
Active
2013 Inspection; Dam E3 Is A Containment Structure For The Tailings. The Upstream Side Is Sloped Away From The Dam And No Water Is Impounded At This Location. Seepage At The Toe Of The Dam Reports To A Wetland Adjacent To The Sherman/milne Road.
17
587581
5213529
Tailings Dams
Active
2013 Inspection; Dam S Forms The Southern Containment Of The Tailings Area. Tailings Have Been Beached To The Elevation Of The Dam And Slope Away. No Water Is Impounded At This Location. At The Western End Of Dam S Or Dam 8 Per The Original Naming Protoco
17
586306
5212759
Tailings Dams
Active
2013 Inspection; Dam N Forms The Northwest Side Of The Sedimentation Pond. Beaver Activity At The Outlet From The Sedimentation Pond Has Increased The Water Level At This Dam. This Dam Also Contains Tailings At The Northern Tip Of The Dam Above The Sedime
17
586102
5215205
Tailings Dams
Active
2013 Inspection; The Northernmost Portion Od Dam W1 Provides Containment For The Sedimentation Pond And Controls The Water Level Within It. The Eastern Sections Od The Dam (dam1a And 1 Main Dam) Are Containment Structures For Tailings.
17
586060
5214513
Tailings Dams
Active
2013 Inspection; Dam W2 (1b Dam) Was Not Visited During This Inspection. Previously It Was Reported That Piping Failure Had Left The Water Level Within The Polishing Pond Below The Drainage Channel Invert. Per The Amec Report The Polishing Pond Is No Long
17
585842
5214314
Tailings Dams
Active
2018 Dam Inspection: Very Steep With Large Boulders, Slight Subsidence Near Crest. Access Road With Road Material Topping The Crest Of The Dam. D/s Side Of Dam Is Very Steep With Large Boulders. U/s Of The Dam Is A Marshy Area With Water. U/s Slope
17
586480
5213960
Waste Rock Dump
Not A Hazard
2013 Inspection; Waste Rock Is At Angle Of Repose And Not Completely Stable. Liming Was Undertaken Around The Site. However, Cover And Seeding Of Waste Rock Piles Was Not Undertaken. Natural Recruitment Of Vegetation On The Waste Rock Piles Is Occurring.
17
590693
5213479
Waste Rock Dump
Not A Hazard
2000 Assessment; Waste Rock: This Feature Is Evident In A Number Of Areas On The Mine Site As Shown On The Plan But The Main Rock/waste Piles Are Located In The North Pit Area Where Rock Was Used To Berm The Tailings Pond Area (dams,berms, Access Roads E
17
588005
5213409

Mineral Deposit Identifier: MDI31M04SW00025



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Contact

Emilie Trottier
Mine Hazards Technical Specialist
Mine Rehabilitation Group
Willet Green Miller Center - Level B6
933 Ramsey Lake Road
Sudbury ON P3E 6B5
Email: emilie.trottier@ontario.ca
Phone: 705-280-8658


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