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United States
Schrock Run/Schrock Run Extension Mine (Northern Appalachia Operation)

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 Location:
9 km SE from Somerset, Pennsylvania, United States

  Regional Office:
CORSA COAL CORPORATION 1576 Stoystown Road, PO Box 260
Friedens
Pennsylvania, United States
15541
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (metallurgical)
Mining Method
  • Contour Strip
  • Highwall
  • Auger
Mine Life2024


Owners

Source: p. 9
CompanyInterestOwnership
Corsa Coal Corp. 100 % Indirect
Corsa Coal indirectly owns Schrock Run Extension through PBS Coals, Inc. ("PBS")

Contractors

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Deposit Type

  • Sedimentary


Summary:

Geological Setting, Deposit Types and Mineralization.
The coal deposits in the eastern USA are the oldest and most extensively developed coal deposits in the country. The coal-bearing formations on the properties are Carboniferous in age, being in the Pennsylvanian system, which includes the Monongahela, Conemaugh, Alleghany, and Upper Pottsville groups. These coal-bearing formations contain two-fifths of the nation’s bituminous coal deposits, extend over 900 miles from northern Alabama to Pennsylvania, and are part of what is known as the Appalachian Basin. The Appalachian Basin is more than 250 miles wide and in some portions, contains over 60 coal seams of varying economic significance. Seams are typically between 1 foot and 6 feet in thickness, with relatively little structural deformation. Coal in the region is classified as high- to low-volatile bituminous with rank increasing to the east. Coals are typically characterized as low to medium sulfur and high heat content.

Mineralization.
Mineable coal seams within the properties are typically low-ash, low to high-sulfur, and high- thermal content bituminous coals. Regionally, the coals are typically low-volatile in rank, with rank increasing from west to east. The maximum seam thickness may reach over 6.0 feet where multiple coal benches occur in proximity to one another; however, the average mineable thickness of the seams in this evaluation generally ranges from 1 foot to 4 feet. Seams are generall ........


Mining Methods

  • Contour Strip
  • Highwall
  • Auger


Summary:

Schrock Run (including the associated Schrock Run Extension area) is currently the only active surface mining operation on the Property; however, Corsa has numerous idled and planned surface mines within its operational plan.

The proposed surface mines are planned to be operated by a mobile equipment spread built around Hitachi EX3600 or Komatsu PC 2000 shovels as the principal excavators. The surface mine operations are linked in the financial model by the progression of equipment spreads and crews from resource area to resource area. The configuration of this equipment spread, or fleet is projected to be maintained for the future mine projections. Surface-mining activities are projected to occur from 2021 through 2037 at annual production rates up to 217,000 tons. Equipment replacements are scheduled at appropriate times over the period for the equipment.

The Hitachi and Komatsu shovels are supported with a fleet of equipment including:
- Caterpillar 785 and 777 Rock Trucks;
- Caterpillar D11 Tractors;
- Caterpillar 16M Road Graders; and
- Other support equipment including backhoes and service trucks.

The mine model generally targeted overburden strip ratio limits of 16 to 20 bcy of overburden per ton. Tractor contribution to production may drop due to shorter panel lengths and rock truck haul distances are likely to increase to provide void space for highwall miner activity in the Upper Kittanning seam. Productivity will ........


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits20212020201920182017
Coal (metallurgical) tons  ......  Subscription required  ......  Subscription required  ......  Subscription required18,00015,000
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2022202120202019
Annual production capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required33 bcy/t
Coal tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Reserves at December 31, 2021:

CategoryTonnage Commodity
Proven 523,800 tons Coal (metallurgical)

Commodity Production Costs:

CommodityUnits20222021202020192018
Total cash costs Coal (metallurgical) USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required  ......  Subscription required 165.31 / ton  
^ Guidance / Forecast.
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 31, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Technical Report 2018
Corporate Presentation 2017
Annual Information Form 2016
Financial Review 2016
Technical Report 2016
Technical Report 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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