Overview
Status | Closing / Closed |
Mine Type | Underground |
Commodities |
|
Mining Method |
- Continuous
- Room-and-pillar
|
The Onton mine was idled in November 2015 in response to market conditions. |
Source:
p. 400
The Onton mine is owned and operated by Alliance Resource subsidiary, Sebree Mining, LLC.
Contractors
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Mining Methods
- Continuous
- Room-and-pillar
Summary:
Sebree Mining utilizes continuous mining units employing room-and-pillar mining techniques to produce high-sulfur coal.
Mining Access: Slope & Shaft.
Source:
Summary:
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Production:
Commodity | Units | 2015 |
Coal (thermal)
|
M tons
| 1.8 |
All production numbers are expressed as clean coal.
Reserves at December 31, 2023:
As of December 31, 2023, there were no changes in the Mineral Resources at Sebree South (Onton #9) compared to December 31, 2021.
Category | Tonnage | Commodity |
Measured
|
22.1 M tons
|
Coal (thermal)
|
Indicated
|
16.8 M tons
|
Coal (thermal)
|
Measured & Indicated
|
38.9 M tons
|
Coal (thermal)
|
Inferred
|
4.6 M tons
|
Coal (thermal)
|
Total Resource
|
43.5 M tons
|
Coal (thermal)
|
Corporate Filings & Presentations:
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