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United States
Red Hills Mine

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 Location:
9 km NW from Ackerman, Mississippi, United States

  Address:
1000 McIntire Road
Ackerman
Mississippi, United States
39735
Phone  ...  Subscription required
Fax(662) 387-5280
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Production
  • Reserves
  • Fleet
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  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Surface miner
  • Truck & Shovel / Loader
  • Dragline


Owners

Source: p. 5, 11, 15, 109
CompanyInterestOwnership
NACCO Industries Inc. 100 % Indirect
Mississippi Lignite Mining Company (operator) 100 % Direct
The Red Hills Mine is operated by the Mississippi Lignite Mining Company. The coal reserves at Mississippi Lignite Mining Company are owned or controlled by the NACCO Industries Inc.

Deposit Type

  • Sedimentary


Summary:

The lignite deposits of the Gulf Coast are found primarily in a narrow band of strata that outcrops/subcrops along the margin of the Mississippi Embayment. The potentially exploitable tertiary lignites in Mississippi are found in the Wilcox Group. The outcropping Wilcox is composed predominately of non-marine sediments deposited on a broad flat plain.

Type of Mine: Surface Lignite
Coal Seam: C, D, E, F, G, H Seams
Average Seam Thickness: 3.4 feet
Average Depth: 150 feet

Average Coal Quality (As received):
Heat Content - 5,100 BTUs/lb
Sulfur - 0.60%
Ash - 15%
Moisture - 43%


Mining Methods

  • Surface miner
  • Truck & Shovel / Loader
  • Dragline


Summary:

The Red Hills mine - dragline operation with 1 dragline.

Typically, the deposit is topped with an overburden of sandy marl ranging from 5 to 15 meters in depth. This is removed by shovel. The overburden tops six recoverable seams of lignite, with partings or “interburden” layers between. All lignite is removed by the Wirtgen 4200 SM, with all but two of the interlayers removed by ripper-dozers. A Marion 8200 82 yd3 dragline uncovers the fifth and sixth seams of lignite.

The 4200 SM mines around 2,800 tons of lignite per hour and its 16 m-long conveyor belt discharges the coal in a single pass directly into dumper trucks, which then transport the coal to the power station and into the feed hopper. As maximum grain sizes of 7.6 cm are mined, there is no need to break the material down further, greatly increasing efficiency.


Crushing and Grinding


Processing



Production:

CommodityUnits2020201920182017201620152014
Coal (thermal) tons  ......  Subscription required  ......  Subscription required2,939,7382,373,5222,766,0912,976,2762,890,838
Heat ContentBTU/lb5,1005,2005,2005,2005,2005,2005,200
Sulfur%0.60.60.60.60.60.60.6
All production numbers are expressed as ROM coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018201720162015
Coal tonnes mined  ......  Subscription required2.7 M tons2.94 M tons2.37 M tons2.77 M tons2.98 M tons
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryTonnage Commodity
Proven & Probable 237.3 M tons Coal (thermal)


Heavy Mobile Equipment as of December 1, 2020:
HME TypeModelSizeQuantity
Dragline ....................... Subscription required 82 cu. yd ....................... Subscription required
Surface miner ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Apr 21, 2021
....................... Subscription required ....................... Subscription required Subscription required Apr 21, 2021
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015
Subscription required 2014
Subscription required 2013
Subscription required 2012
Subscription required 2011

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Form 10-K 2018
Other 2018
Form 10-K 2017
Other 2017
Form 10-K 2016
Other 2016
Form 10-K 2015
Other 2015
Other 2011
Subscription required - Subscription is required.

Aerial view:

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