Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
|
| Processing |
|
| Mine Life | 2040 |
Source:
p. 57
Created in 2015 from the merger of the mining assets of CSN and Namisa, this company is divided between CSN (87.52%) and a consortium of major Asian steelmakers (12.48%).
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).
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 run of mine capacity of approximately 120 million tons.
Source:
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:
| Commodity | Parameter | 2018 | 2017 | 2016 | 2015 |
|
Iron Ore
|
Concentrate Grade, %
| ......  | ...... | ...... | ...... |
|
Iron Ore
|
Recovery Rate, %
| | ...... | | |
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Production:
| Commodity | Units | 2018 | 2017 | 2016 | 2015 |
|
Iron Ore
|
Mt
| ...... | 26 | 29 | 26 |
All production numbers are expressed as concentrate.
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Operational Metrics:
| Metrics | 2017 |
|
Annual mining capacity
| ...... |
|
Annual production capacity
| ...... |
Reserves at December 31, 2014:
| Category | Tonnage | Commodity | Grade | Recoverable Metal |
|
Proven & Probable
|
2,704 M tons
|
Iron
|
41.36 %
|
1,429 M tons
|
Commodity Production Costs:
| | Commodity | Units | 2018 | 2017 | 2016 | 2015 | 2014 |
|
Cash costs
|
Iron Ore
|
USD
|
......
|
15.8 / ton
|
12.9 / ton
|
15.6 / ton
|
24.7 / ton
|
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Aerial view:
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