Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )

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Abandoned Mine Identifier: 04220

General Information

Permanent Link to this Record: 04220

Abandoned Mine Identifier: 04220

Official Name: Marmoraton

Site Classification: A

Primary Commodity: Iron

Long Name: 1018285049250

Date Mine Opened: 1955-04-01

Date Mine Closed: 1978-03-01

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: 2012-01-13

Location Information

Township or Area: Marmora

District: Tweed

NTS Number: 031C05

Longitude (dd): -77.65775 | Latitude (dd): 44.47905

UTM Zone: 18 | Easting: 288638 | Northing: 4928518

Operational Access Description: Access; From The Centre Of Marmora Drive East 1.8km, Turn South On Miners Loop Road To Open Pit Viewing Area. Iron Past Producers; Open Pit Mine; Open Pit Dimensions 800 X 400 X 200 M Deep; Total Production. Of Iron Is 27,966,762 Net Tons Grading 42.8 Perc. Iron

Hazard Feature Information

Mine Feature

Hazard Status

Condition

UTM Zone

Easting

Northing

Open Pit

Active

Historical Records Indicate Iron Mine Started Operations In 1955 Closing In 1978. 27,966,762 Tons Of Iron Ore Mined From An Open Pit Which At The Time Of Closing Was Approx 220m Deep And 850 By 460m Wide. 1990 Citizens Action Committee Reports This Bod

288620

4928517

Tailings - Confined

Active

2008 Tailings Assessment; The Tailings Area Consists Of A Large Raised Stack Deposit Located East Of The Open Pit. The Faces Are Up To 20 Meters In Height And Are Armored With Waste Rock On The North, West, And South Sides. The East Side Abuts Natural Gro

289583

4928320

Waste Rock Dump

Active

289571

4927386

Waste Rock Dump

Active

2008 Tailings Assessment; The Site Contrains A Massive Waste Rock Pile, As Well As Two Other Small Piles, And A Large Raised Stack Tailings Deposit.

287867

4928304

Mineral Deposit Identifier: MDI31C05NE00014

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