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Brazil
Casa de Pedra Mine

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 Location:
4 km SW from Congonhas, Brazil
  Address:
PO Box: 97
Congonhas / MG
Brazil
36415-000
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Processing
  • Magnetic separation
Mine Life2040
The oldest iron mining operation in Brazil, Casa de Pedra holds more than 6 billion tons of resources and 3 billion tons in reserves (SNOWDEN certification, 2014).

The company has not provided 2018 iron ore production data in 2018 annual report.

Owners

Source: p. 40
CompanyInterestOwnership
Compania Siderurgica Nacional S.A. 87.52 % Indirect
Deposit Type

  • Banded iron formation

Summary:

Casa de Pedra mine is a hematite-rich iron deposit of an early proterozoic banded iron formation in Brazil’s Iron Ore Quadrangle (Quadrilátero Ferrífero).

Mining Methods

  • Truck & Shovel / Loader

Summary:

Iron ore at Casa de Pedra is currently excavated by a fleet of hydraulic shovels and wheel loaders and then hauled by a fleet of trucks with an installed annual ROM capacity of approximately 103 million tons.

Processing Technologies

  • Magnetic separation

Summary:

The iron ore is processed in treatment facilities, which have an installed capacity of 33 million tons of products per year (a sum of the central plant, mobile plants and Pires treatment facilities).

Casa de Pedra mine supplies all of iron ore needs, except pellets, and produces lump ore, sinter feed and pellet feed fines with high iron content.

Recoveries & Grades:

CommodityParameter201720162015
Iron Ore Recovery Rate, % 77.9
Iron Ore Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Production:

CommodityUnits201720162015
Iron Ore Mt  ......  Subscription required  ......  Subscription required26
All production numbers are expressed as concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2017
Annual mining capacity  ......  Subscription required
Annual production capacity  ......  Subscription required
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Reserves at December 31, 2014:

CategoryTonnage CommodityGradeRecoverable Metal
Proven & Probable 2,704 M tons Iron 41.36 % 1,429 M tons

Commodity Production Costs:

CommodityUnits20182017201620152014
Cash costs Iron Ore USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 15.6 / ton 24.7 / ton
Subscription required - 'Investor' subscription is required.

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 5, 2019
....................... Subscription required ....................... Subscription required Subscription required Aug 16, 2019
....................... Subscription required ....................... Subscription required Subscription required Aug 16, 2019
Subscription required - Subscription is required.

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2018
................................... Subscription required 2017
Subscription required - Subscription is required.

Aerial view:

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