Abandoned Mine Inventory for Ontario

MINES (last updated: 2022-04-29 )

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Abandoned Mine Identifier: 04257

General Information

Permanent Link to this Record: 04257


Abandoned Mine Identifier: 04257

Official Name: Henderson Mine

Site Classification: A

Primary Commodity: Talc

Long Name: 1018300049300

Date Mine Opened:

Date Mine Closed: 2010-07-20

Mine Closure Reason:

Mine Closure Plan: Yes

Rehabilitation Plan: No

Mine Plans on File: Yes

Legal Jurisdiction: Mining Act

Date Record Last Modified: 2015-06-17

Location Information

Township or Area: Huntingdon

District: Tweed

NTS Number: 031C11

Longitude (dd): -77.45374 | Latitude (dd): 44.50205

UTM Zone: 18 | Easting: 304939 | Northing: 4930566

Operational Access Description: Access; From Hwy 7 East Of Madoc, St Lawrence St Exit Turning Left At Second Road, Follow Signs To Canada Talc. Henderson Mine & Conley Mine (started As Extention Of Henderson); Merged In 1937 & Closed Out In 2012. See Amis# 04258 Conley Mine For Golder Rehabilitation Report. Site Assessment Not Completed Due To The Existance Of A Closure Plan. Closure Plan Id: C21 See Mdi So0868


Hazard Feature Information

Mine Feature
Hazard Status
Condition
UTM Zone
Easting
Northing
Crown Pillar
Rehabilitated
Henderson Crown Pillar The Henderson Crown Pillar Lies Between Henderson East And Henderson West Pits. 2012: Crown Pillar Was Blasted And Flooded
18
305047
4930482
Open Pit
Rehabilitated
Henderson West Pit 2012 Mndm Ir; Was Combined With The Henderson East Pit To Created A Glory Hole. The Stopes Of The Pit Are Not Stable, There Is Egress And Erosion. The Pit Has Been Backfilled And Flooded. The Southwest End Of Henderson West Pit Has S
18
304882
4930666
Open Pit
Rehabilitated
Henderson East Pit 2012 Mndm Ir; Combined With Henderson West Pit To Create A Glory Hole.the Pits Slopes Are Not Stable, As There Is Egress And Erosion. The Pit Has Been Backfilled And Flooded.
18
305248
4930609
Portal Or Decline Ramp
Rehabilitated
Henderson No.4 Shaft 2012 Mndm Ir;concrete Cap Was Originally Planned Henderson No.4 Shaft In Cp. However, Do To Safety Concerns, It Was Decided To Blast, Backfill And Flood It. Adjacent To Henderson West Pit. The Site Was Not Included During The Ye
18
304964
4930448
Quarry
Rehabilitated
Dolomite Pit (marble Quarry) 2012:backfilled Using Blasted Rock And Overburden From Sloping Of Henderson Pits And Pillar Achieved Slope Of 3h:1v
18
304942
4930545
Shaft - 1 Compartment - Vertical Shaft
Rehabilitated
Henderson Escape Shaft 2012 Mndm Ir; Reinforced Concrete Cap With Stainless Steel Vent Pipe Was Installed Onto Bedrock. Buried And Flooded. The Site Was Not Included During The Year 2000 Survey. Site Was Still Actively Producing.
18
304977
4930547

Mineral Deposit Identifier: MDI31C11SW00031


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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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