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Location DB > Canada > Ontario > Marmora > Marmoraton Mining Company
Marmoraton Mining Company
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 Database Info
created by manitou on 3/22/2005 10:28 PM
last modified by bandi on 1/24/2018 11:21 PM
Publically Viewable Publically Viewable
This location has been labeled as Demolished, and therefore can be viewed by anyone.
A massive open pit mine originally used to extract iron ore from the Canadian Sheild. The majority of the buildings on the site are still active, however, two building and the original pit have been left derlict.
(Buildings are gone now.)
Site is guarded 24/7 now, guard waits just to the left of the observation deck.
 Basic Information
Type: Outdoors
Status: Demolished
Accessibility: Difficult
Recommendation: check it out if you're nearby
 Physical Information

Marmora, Ontario
Owner: The Marmoraton Mining Company
  • See a map of this location
  •  Hazards
  • rust
  • flooding
  • water
  • Falling to one's death
  •  Interesting Features
    - A massive open pit
    - Derlict processing equipment
     Security Measures
  • fences
  • dogs
  • 24 hour guard
  •  Historical Dates
    Built: 1953
    Closed: 0
     Required Equipment
  • head protection
  •  Recommended Equipment

    - The magnetite ore body was discovered in 1948 by a government aeromagnetic survey, and the stripping of 120 feet of limestone overburden started in 1953.
    - The first shipment of iron ore pellets commenced in 1955, and eventually the mine employed 300 workers and support staff.
    - Size of the pit: 2800 feet long, 1500 feet wide covering 75 acres with a depth of 550 feet. The average grade of the circular haulage road was 10%.
    - There has been a total of 70 million tons of waste rock removed from the pit to date...and at the time, 2 ~ 250 HP pumps were needed to pump excess water from the pit for excavations to continue.
    - The breakup of the rock and ore was accomplished with sets of drilling patterns boring 7 inch holes 60 feet into the bedrock, and filled with 8 - 32, 000 lbs of explosive. Each blast could yield 20 - 80,000 tons of rock and ore.
    - Electric shovels used - 3 with 6 cu. yd. dipper, 1 with an 11 cu. yd. dipper....Dumptrucks used - 6 ~ 105 ton with 1000 HP diesel electric drive, 2 ~ 55 ton with 635 HP diesel engines.
    - Total mine production: 1.3 million tons of iron ore / 3.5 million tons of waste rock.
    - Process: The iron ore containing magnetite is crushed and ground, magnetically separated to produce 65% iron concentrate, then converted by roasting into hematite pellets ( 3 crushers of 350 HP each, 2 rod mill grinders of 350 HP each and 2 ball mills).
    - The 2400 degree F. roasting took place in 4 vertical shaft furnaces 6 X 12 feet and 40 feet high.
    - Annual plant production: 520,000 tons of hematite.
    - A daily ore train of 30 to 35 cars took pellets south to Picton port for loading into the 25,000 ton ore boats.
     Media Coverage

     Future Plans


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     Photo Galleries
    Click to view gallery
    Tue, Mar 22nd, 2005
    posted by manitou
    24 pictures
    Click to view gallery
    honey is yum
    Mon, Jul 18th, 2005
    posted by nightbird
    4 pictures
    Click to view gallery
    Peterborough Meet
    Sat, Oct 27th, 2007
    posted by phrenzee
    16 pictures
    Click to view gallery
    ...into the belly of the beast
    Tue, Oct 30th, 2007
    posted by bandi
    9 pictures
    Click to view gallery
    Get out now!
    Fri, Sep 9th, 2011
    posted by L'Ali
    11 pictures
    Click to view gallery
    Sat, Nov 26th, 2011
    posted by lopix
    3 pictures

    Add your own photos

    Mark all galleries as Seen

    Into the Pit - New Years Day
    Mon, Jan 4th, 2010
    posted by Axle

    Summer Blue
    Thu, Jul 21st, 2005
    posted by atomx
     Web Links

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     Moderator Rating
    The moderator rating is a neutral rating of the content quality, photography, and coolness of this location.

    This location has not yet been rated by a moderator.
    This location's validation is current. It was last validated by Explorer Zero on 1/25/2018 5:04 AM.

     Latest Changes
  • on Jan 25 18 at 5:04, Explorer Zero validated this location
  • on Jan 24 18 at 23:21, bandi changed the following: Status, Accessibility, Hazards, Security Measures, Description
  • on Jan 9 12 at 22:41, Opheliaism validated this location
  • on Jan 9 12 at 22:41, Opheliaism validated this location
  • on Jan 4 12 at 14:23, lopix added some pictures to a gallery
  • on Jan 4 12 at 14:22, lopix updated gallery Marmorama
  • on Jan 4 12 at 14:21, lopix created a new gallery
  • on Sep 11 11 at 2:16, Opheliaism validated this location
  • on Sep 9 11 at 22:17, L'Ali updated gallery picture Pit
  • on Sep 9 11 at 22:17, L'Ali updated gallery picture Blue
  •  Forum Threads about this Location
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     SubjectStarted ByRepliesViewsLast Post
    You must log in for this feature to work.Visit from this summerVacantMedia013910/19/2018 12:18 AM by VacantMedia
    You must log in for this feature to work.Great!Jesus Jones04254/2/2005 6:15 PM by Jesus Jones
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