Overview
| Stage | Production |
| Mine Type | Underground |
| Commodities |
|
| Mining Method |
- Continuous
- Room-and-pillar
|
| Processing |
|
The Gibson North mine was idled in December 2015 in response to market conditions but resumed production in May 2018. |
Mining Methods
- Continuous
- Room-and-pillar
Summary:
The Gibson North mine began production in November 2000 and utilizes continuous mining units employing room-and-pillar mining techniques to produce medium-sulfur coal.
Summary:
The Gibson North mine's preparation plant, which is leased from an affiliate, has throughput capacity of 700 tons of raw coal per hour.
Production:
| Commodity | Units | 2018 | 2015 | 2014 | 2013 |
|
Coal (thermal)
|
M tons
| ......  | 2.2 | 3.8 | 3.9 |
All production numbers are expressed as clean coal.
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Reserves at December 31, 2018:
| Category | Tonnage | Commodity |
|
Proven
|
18.7 M tons
|
Coal (thermal)
|
|
Probable
|
5.3 M tons
|
Coal (thermal)
|
|
Proven & Probable
|
24 M tons
|
Coal (thermal)
|
Corporate Filings & Presentations:
| Document | Year |
|
...................................
|
2018
|
|
...................................
|
2018
|
|
...................................
|
2017
|
|
Form 10-K
|
2015
|
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Aerial view:
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