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Canada
Grassy Mountain Project

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 Location:
7 km S from Blairmore, Alberta, Canada

  Project Contacts:
12331 20th Avenue
Blairmore
Alberta, Canada
T0K 0E0
Phone  ...  Subscription required
WebsiteWeb
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Overview

StatusInactive / Suspended
Mine TypeOpen Pit
Commodities
  • Coal (hard coking)
Mining Method
  • Truck & Shovel / Loader
Mine Life23 years (as of Jan 1, 2015)
The proposed Grassy Mountain coal project in southwestern Alberta has been rejected by the federal government. The Minister's determination was based on a decision by the Joint Review Panel (JRP) on June 17, 2021, to deny the Project, and was made despite applications being filed with the Court of Appeal of Alberta on July 16 and 19, 2021. The applications challenge the JRP's decision on the grounds that it made a number of errors in law and contraventions of procedural fairness and that the JRP's report was fundamentally and fatally flawed.
August 13, 2021 - Benga Mining Ltd today announced that it has applied to the Federal Court of Canada for a judicial review of decisions against the Grassy Mountain Steelmaking Coal Project by the Minister of Environment and Climate Change, Jonathan Wilkinson, and the Cabinet, on the grounds that those decisions were unlawful, incorrect, unreasonable and/or unconstitutional.


Owners

Source:
CompanyInterestOwnership
Riversdale Resources Ltd. 100 % Indirect
Riversdale (through its wholly owned subsidiary, Benga Mining) completed the acquisition of the Crowsnest Pass Complex in South West Alberta, Canada on 29 August 2013.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The Montane Subregion occurs on lower slopes and valley bottoms, and its upper boundary is the lower limit of the Subalpine Natural Subregion.  The Project is also located in the Rocky Mountain Foreland Thrust and Fold Belt, within a succession of generally west-dipping thrust faults and associated folds with predominantly west-dipping axial surfaces.  The Project lies between two major thrust faults, in an area of somewhat lesser disturbance.   The coal deposits of the Project area are typical of those for Inner Foothills and Rocky Mountain areas which have been subjected to a relatively high tectonic formation.  Fault offsets are common but fault- bounded plates generally retain normal stratigraphic thicknesses. 

Grassy Mountain coal in the Mist Mountain Formation outcrop occurs in a general north-south direction for a strike length of approximately seven (7) km.  The Mist Mountain Formation consists of 66 to 194 vertical metres of strata and is overlain by prominent, weather-resistant Blairmore conglomerate.  The strata have been strongly folded and faulted, resulting in sediments and coal zones repeated in parallel bands.  Coal deposits of this type are characterized by tight folds, some with steeply inclined or overturned limbs.  Fault offsets are common but fault-bounded plates
generally retain normal stratigraphic thicknesses.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The coal in the open pit mine will be extracted using standard surface mining techniques found in other operating mines located in western Canada.  Topsoil and sub-soil materials will be salvaged ahead of drilling and blasting operations using bulldozers to push the topsoil into windrows.  An excavator and truck fleet will then follow behind and pick the topsoil up and haul it to designated stockpile areas until a suitable final reclamation placement area can be developed.  Drilling and blasting activities will then begin to break up the waste rock ahead of excavation by diesel powered mining shovels and then hauled away in large haul trucks.  Initially, the waste rock will be directed to ex-pit disposal areas until locations open up for in-pit backfill.  Once the waste rock has been removed the coal is mined and hauled down to the raw coal stockpile area located near the coal handling process plant (CHPP).  Both coal and waste rock haul roads will be developed to allow access from the mining face to the disposal areas.  Full details on reclamation areas and haul roads are currently under development by the Project’s Engineering Team.


Crushing and Grinding


Processing

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Summary:

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Projected Production:

CommodityUnitsLOM
Coal (hard coking) Mt 154
All production numbers are expressed as ROM coal.

Operational Metrics:

Metrics
Stripping / waste ratio 9.4 *
Annual production capacity 4 Mt of clean coal *
* According to 2015 study.

Reserves at :


Operating Costs:

Units2015
Total operating costs ($/t processed) CAD 93 *
* According to 2015 study.

2015 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Total CapEx $M CAD  ......  Subscription required
Subscription required - Subscription is required.


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 28, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2018
Corporate Presentation 2015
Project Description 2015
Project Description 2015
Subscription required - Subscription is required.

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