Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )

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Abandoned Mine Identifier: 07804

General Information

Permanent Link to this Record: 07804


Abandoned Mine Identifier: 07804

Official Name: Denison

Site Classification: A

Primary Commodity: Uranium

Long Name: 2017370051400

Date Mine Opened: 1957-01-01

Date Mine Closed: 1992-03-31

Mine Closure Reason: Ceasing Production - Other

Mine Closure Plan: No

Rehabilitation Plan: Yes

Mine Plans on File: Yes

Legal Jurisdiction: Federal

Date Record Last Modified: 2012-01-27

Location Information

Township or Area: Bouck

District: Sault Ste. Marie

NTS Number: 041J07

Longitude (dd): -82.59814 | Latitude (dd): 46.49095

UTM Zone: 17 | Easting: 377352 | Northing: 5149838

Operational Access Description: From 1961 To 1980 Production From The Denison Mine Was 34,376,100 Tons Of Ore.; :see Attached Sheets For Further Background Information.; Production Ceased At The Denison Mine March, 1992.; Commodity: Allanite, U, Th; 19 Plans/sections Of The Denison Min Site Ceased Production In 1992. Decommission By Denison Mines Ltd. Site Is Subject To Ongoing Monitoring With Reporting To Canadian Nuclear Safety Commission (cnsc)


Hazard Feature Information

Mine Feature
Hazard Status
Condition
UTM Zone
Easting
Northing
Adit
Rehabilitated
Roman Island Adit Has Been Backfilled.
17
379370
5149940
Adit
Rehabilitated
No.2 Heating Adit Has Been Backfilled.
17
377390
5150150
Lateral Workings
Not Available
17
377361
5150060
Lateral Workings
Not Available
17
377361
5150060
Portal Or Decline Ramp
Rehabilitated
Service Ramp Has Been Backfilled.
17
377511
5150898
Raise To Surface
Rehabilitated
Knowles Island Vent Raise 1 Has A Concrete Vented Cap To Standard.
17
378771
5150664
Raise To Surface
Rehabilitated
Puhky Island Raise To Surface Has A Concrete Vented Cap To Standard.
17
378578
5151335
Raise To Surface
Rehabilitated
Roman Island Vent Raise Has A Concrete Vented Cap To Standard.
17
379370
5149914
Raise To Surface
Rehabilitated
Knowles Island Vent Raise 2 Has A Concrete Vented Raise To Standard.
17
378778
5150661
Raise To Surface
Rehabilitated
15 Panel Vent Raise Has A Concrete Vented Cap To Standard.
17
377912
5151047
Raise To Surface
Rehabilitated
North West Vent Raise Has A Concrete Vented Cap To Standard.
17
377812
5150743
Raise To Surface
Rehabilitated
South West Vent Raise Has A Concrete Vented Cap To Standard.
17
377112
5150109
Shaft - 1 Compartment - Vertical Shaft
Rehabilitated
Shaft No.1 Has A Concrete Vented Cap To Standard.
17
377649
5150794
Shaft - 2 Compartment - Vertical Shaft
Rehabilitated
Shaft No.2 Has A Concrete Vented Cap To Standard.
17
377403
5150069
Tailings - Confined
Rehabilitated
17
376118
5148611
Tailings - Confined
Rehabilitated
17
376082
5149952
Waste Rock Dump
Not Available
17
377361
5150060

Mineral Deposit Identifier: MDI41J07NE00018


Terms of Use

Please be aware of the following regarding our AMIS data

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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