Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )

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Abandoned Mine Identifier: 04698

General Information

Permanent Link to this Record: 04698


Abandoned Mine Identifier: 04698

Official Name: Darkwater

Site Classification: C

Primary Commodity: Gold

Long Name: 2015630055200

Date Mine Opened: 1936-01-11

Date Mine Closed: 1937-12-01

Mine Closure Reason: Ceasing Production - Other

Mine Closure Plan: No

Rehabilitation Plan: No

Mine Plans on File: Yes

Legal Jurisdiction: Mining Act

Date Record Last Modified: 2015-03-04

Location Information

Township or Area: Valora Lake

District: Sioux Lookout

NTS Number: 052G14

Longitude (dd): -91.0859 | Latitude (dd): 49.84536

UTM Zone: 15 | Easting: 637613 | Northing: 5523194

Operational Access Description: Located 70 Km Northeast Of The Town Of Ignace. Access; Travel North On Hwy 599 For Approx 60 Km To Silver Dollar. Turn East On The Mattabi/lyon Lake Division Road. Travel Approx 8.5 Km To An Unmarked Bush Road/trail On The North Side Of The Roadroad Access Of Mattabi Mine Road. Follow Trail For Approx 1 Km To Shaft. In 1935 Darkwater Mines Limited Conducted Stripping And Trenching. In 1936, A Considerable Amount Of Underground Work Was Completed On Three Levels. A Three Compartment Shaft Was Sunk To 129 M, And Levels Were Established At 38, 76 And 114 Meters. A Total Of 1,091 M Of Drifting, 149 M Of Crosscutting And 113 M Of Raising Was Completed. In 1937, A Small Test Mill, Consisting Of A Crusher And Two Stamp Mills, Was Installed To Run Bulk Samples. Operation Was Suspended In The Fall Of 1937. 1993 Site Assessment Reported The Presence Of An Open Shaft With Collapsed Headframe, A Second Surface Opening (possibly A Raise), 3 Exploration Pits, A Waste Rock Pile And Two Concrete Building Foundations. The Open Shaft And Raise Were Identified As Potential Public Safety Hazards. Mndm 2014: Headframe Has Been Dismantled And Shaft And Raise Have Been Capped.


Hazard Feature Information

Mine Feature
Hazard Status
Condition
UTM Zone
Easting
Northing
Head Frame
Rehabilitated
1993 Assessment; Wooden Headframe Collapsed Over Shaft. 2014 Mndm Inspection: Headframe Was Dismantled And Shaft Capped. Wood And Metal Debris From The Former Headframe Noted 35 M East Of The Shaft.
15
637646
5523189
Lateral Workings
Active
A Three Compartment Shaft Was Sunk To 129m And 3 Levels Established At 38, 76 And 114m Levels. A Total Of 1091 M Of Drifting, 149 M Of Cross Cutting And 113 M Of Raising Was Completed.
15
637613
5523194
Lateral Workings
Active
A Three Compartment Shaft Was Sunk To 129m And 3 Levels Established At 38, 76 And 114m Levels. A Total Of 1091 M Of Drifting, 149 M Of Cross Cutting And 113 M Of Raising Was Completed.
15
637613
5523194
Lateral Workings
Active
A Three Compartment Shaft Was Sunk To 129m And Levels Established At 38, 76 And 114m Levels. A Total Of 1091m Of Drifting, 149m Of Cross Cutting And 113m Of Raising Was Completed.
15
637613
5523194
Miscellaneous Structures
Active
1993 Assessment; Concrete Foundation Measuring 11 X 9m. 2014 Mndm Inspection: Observations Consistent With 1993 Assessment. Coordinates Updated.
15
637656
5523217
Miscellaneous Structures
Not A Hazard
1993 Assessment; Concrete Foundation Measuring 14 X 7 M. 2014 Mndm Inspection: Observations Consistent With 1993 Assessment. Coordinates Updated.
15
637642
5523240
Raise To Surface
Rehabilitated
1993 Site Assessment: Indicates The Presence Of Second Unsecured Opening To Surface. Identified In Report As Shaft#2. Mndm 2014: Shaft#1 And Second Opening Have Been Capped. This Opening Is Likely A Vent Raise, As Historical Records Do Not Indicate
15
637624
5523239
Shaft - 3 Compartment - Vertical Shaft
Rehabilitated
1993 Assessment; The Shaft Is Protected By A 2m High Chain Link Fence. The Fence Has Collapsed In The Se Corner Allowing Access To The Open Shaft. A Collapsed Timber Headframe Is Over The Shaft. 2014 Mndm Inspection; Concrete Cap Was Placed Over Shaft
15
637613
5523194
Trench
Not A Hazard
1993 Assessment; Pit No. 3. Mndm 2014: Pit Not Found.
15
637671
5523159
Trench
Not A Hazard
1993 Assessment; Pit No.2. Water Filled To Surface. Mndm 2014: Pit Not Found.
15
637671
5523159
Trench
Not A Hazard
1993 Assessment; Pit No.1 Mndm 2014: Pit Not Found.
15
637671
5523159
Waste Rock Dump
Active
Mndm 2014 Inspection: A Waste Rock Pile Extends Approx. 75 M Sw From The North Corner Of The Raise Cap. Material Was Deposited Over An Embankment On The North Side, Which Was Relatively Steep But Appeared Stable. Material Was Gray In Colour With No Evi
15
637589
5523233

Mineral Deposit Identifier: MDI52G14SE00005


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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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