Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )

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Abandoned Mine Identifier: 08018

General Information

Permanent Link to this Record: 08018


Abandoned Mine Identifier: 08018

Official Name: Crownbridge

Site Classification: B

Primary Commodity: Copper

Long Name: 2017340051500

Date Mine Opened:

Date Mine Closed:

Mine Closure Reason: Ceasing Production - Other

Mine Closure Plan: No

Rehabilitation Plan: No

Mine Plans on File: No

Legal Jurisdiction: Mining Act

Date Record Last Modified: 2012-01-27

Location Information

Township or Area: Kamichisitit

District: Sault Ste. Marie

NTS Number: 041J06

Longitude (dd): -83.0396 | Latitude (dd): 46.49256

UTM Zone: 17 | Easting: 343478 | Northing: 5150798

Operational Access Description: Access; 42.3km North Of Hwy 17 At Iron Bridge Along Hwy 546 To Logging Road. Turn South On Logging Road. Drive 4.7km To Site On Gravel/dirt Rd. 1958-60: 9185m D.d. Audover Mining & Exploration; 1963-65: 8189m D.d. Crownbridge Copper Mine; 1966-67: 250 Tons Per Day Mill, Shaft Sunk; 1968: Property Purchased By Cannon Mines Ltd.; Commodity: Copper; Year 2000 Survey Reports Site Has Been Partially Rehabilitated. Evidence Of Bulldozing/backfilling Of Adits.


Hazard Feature Information

Mine Feature
Hazard Status
Condition
UTM Zone
Easting
Northing
Adit
Active
2000 Assessment; Adit, Partially Backfilled Bu Small Opening Remains. Large Cavern Visible.
17
343426
5150844
Adit
Active
Adit- Has Been Backfilled But Small Opening Remains At Top Of Mound.
17
343478
5150798
Miscellaneous Structures
Active
2000 Assessment; Old Concrete Foundation. Possible Shaft Location (uncertain).
17
343498
5150859
Miscellaneous Structures
Not A Hazard
2000 Assessment; Concrete Foundation.
17
343459
5150870
Not Available
Active
2000 Assessment; Buried Asbestos Cladding.
17
343443
5150869
Subsidence Area
Active
2000 Assessment; Depression In Ground Surface On Low Hill Behind Adit (f3) May Be Ground Subsidence Appears Stable.
17
343413
5150830
Tailings - Unconfined
Active
2000 Assessment; Mine Tailings. 2002 Amec Assessment: The Tailings Area Is Located On The South Side Of, And Adjacent To, A Gravel/dirt Access Road. The Area Is At The Foot Of A Groomed, Expansive Waste Rock Stockpile And Relict Mine Workings Situated
17
343445
5150929
Waste Rock Dump
Active
2000 Assessment; Rock Pile.
17
343457
5150834

Mineral Deposit Identifier: MDI41J06NE00046


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The information herein is provided by MINES free of charge and for information purposes only. All information is provided "as is" without warranties or conditions of any kind either expressed or implied. In providing this AMIS database information, MINES and the Government of Ontario accept no liability and make no warranty or any representation regarding the use, accuracy, applicability, completeness, performance, availability , security or reliability of the information. MINES is not responsible for, nor does it independently verify any information, through field measurements or otherwise. It is the sole responsibility of the person choosing to receive and use this information to verify the accuracy of any information obtained from this data package. The reader is warned to under take his or her own independent investigation to validate this information. Reports provided within are not compliant with CSA standards.

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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