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Canada
Vista Mine

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 Location:
16.6 km E from Hinton, Alberta, Canada

  Regional Office:
110 MacLeod Avenue
PO Box 6146
Hinton
Alberta, Canada
T7V 1X5
Phone  ...  Subscription required
Fax780-865-3316
EmailEmail
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  • Overview
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  • Geology
  • Mining
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  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Processing
  • Dense media separation
  • Magnetic separation
Mine Life25 years (as of Jan 1, 2014)
Latest NewsConsolidated Tanager: Production at the Hinton, Alberta Coal Project Reaches Important Milestone, First Coal Royalty Payment Received October 24, 2019     November 1, 2019


Owners & OPERATOR

Source: p. 2
CompanyInterestOwnership
Bighorn Mining Ltd. (operator)
Consolidated Tanager Ltd. 100 % Direct
The Company received property rights payments totalling $8,000,000 for its coal property in Alberta during the 2011 and 2012 fiscal years, and the agreement with CIP Coal Pty Ltd (“CIP”) called for an additional final property rights payment of $10,000,000 in February 2016. The contract terms were such that if this final payment was not made, by its due date, ownership of the property would continue to be retained by the Company. The agreement technically expired as of March 31, 2016, however, the Company entered into a further agreement with KC Euroholdings S. a.r.l (“KCE”), the successor company to Coalspur, and in consideration for $400,000 per annum payable by KCE to the Company the agreement extends KCE’s option to acquire 100% working interest in Tanager’s five coal leases until March 31, 2023.

Deposit Type

  • Sedimentary


Summary:

The coal deposits associated with the Coalspur Coal Projects (Vista Coal Project, Vista Extension and Vista South) are considered to be surface mineable, as defined in the Geological Survey of Canada Paper 88-21 (“GSC 88-21”).

In the Coalspur lease areas, the coal zones occur at depths from sub-outcrop (below the base of the overlying till material) extending down dip to over 250 m deep. The targeted Coal Resources, in terms of deposit type, are therefore defined as surface mineable.

In terms of structure, the target area can be described as being an area with low tectonic disturbance, the only main feature being the eastern monocline, resulting in strata dips of up to 10°. No major faults have been identified within the defined resource blocks notwithstanding major boundary faults. The geology type, as defined by geological complexity, is classed as moderate.

Of the six recognised coal zones encountered within the Coalspur Formation, only the Val d’Or, McLeod, McPherson and Silkstone zones maintain a persistent mineable thickness throughout the Vista lease areas and constitute the majority of the potentially mineable resource. The Arbour Zone is locally present only in the Hinton West Block, while the Mynheer Zone is usually too deep and too thin to be considered surface mineable.


Mining Methods

  • Truck & Shovel / Loader


Summary:

In this current report, contract mining is used instead of an owner’s fleet and terrace mining using truck/shovel has replaced dragline strip mining. The mine plan and schedule relies on timely regulatory approvals for mine development. The project has received certain project approvals for the Phase 1 development and further approvals are awaited. Thereafter, approvals for the Phase 2 development will be sought.

Previous mining studies contemplated a minimum mining thickness of 0.5 m which is slightly lower than the recommended coal thickness as stated in GSC Paper 88-21 of 0.6 m. Given the seam dips and continuity, it is considered that this minimum mineable seam thickness is appropriate for the Vista project. A minimum separable parting assumption of 0.30 m was assumed in the mine plan.

The Vista Mine will be developed in two principal phase pits known as Vista 1 and Vista 2. Vista 1 is further separated into an initial 5 year development scheme and a second final pushback stage. Vista 2 is scheduled to come on stream in 2021 and effectively double the production rate of the project from 6 Mt/a product to 12 Mt/a.

Further mine expansions to the east of Vista 1 and west of Vista 2 are possible but these areas are not included in the current Mineral Reserves of mine production schedule.

The production target is to mine approximately 11 Mt of ROM coal per annum utilising the full capacity of the coal processing plant. All coal is washed to produce two types of products, namely CV5800 and CV5550. The maximum yearly product for CV5800 is 2 Mtpa, so the remaining product will be CV5550. Note that approximately 65 per cent of the Val d’Or seam is of sufficient quality to produce a CV5800 product at a yield of approximately 58.4 per cent. Therefore, 5.3 Mt of Val d’Or seam coal is required to be mined annually with the remaining coal processing plant capacity applied to the McLeod and McPherson seam coal (approximately 5.7 Mtpa).

Approximately 25 per cent of the ROM coal will be rehandled for blending purposes. The blending will be done to produce CV5800 and CV5550 products. Val d’Or, McLeod and McPherson seam faces are always open in addition to the ROM stockpile to enable blending.

Initially, the ROM Stockpile will be maintained at or under approximately 600 kt. However, it will increase up to approximately 2 Mt at one point in the LOM schedule to enable pit floor release in order to optimise the haulage costs while achieving the required coal targets.


Crushing and Grinding


Processing

  • Dense media separation
  • Magnetic separation

Source: Subscription required

Summary:

The plant arrangement is based on a single 1500 t/h module and includes tailings filters for tailings dewatering.

The arrangement for feeding the preparation plant eliminates feed bias to separate modules through having a single sump with pumps feeding the CPP.

When feeding the raw coal into the plant by a pump it disperses the clays present in the raw feed, but introduces a higher volume of water to the beginning of the circuit with about a 35% solids feed.

The clays also impact on the amount of recycle streams normally designed into a preparation plant with a view to minimising the recycle of these clays.

The plant coarse circuit will consist of two large 1,300mm diameter dense medium cyclones processing the 50 x 1.7mm fraction with medium being drained on separate product and reject drain and rinse screens. The coarse product will be dewatered in four coarse coal centrifuges and the rejects will be transferred directly to the rejects conv ........


Production:

CommodityUnits2019
Coal (thermal) Mt  ......  Subscription required
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.


Reserves at July 31, 2014:

CategoryTonnage Commodity
Measured 686 Mt Coal (thermal)
Indicated 369.9 Mt Coal (thermal)
Measured & Indicated 1,056 Mt Coal (thermal)
Inferred 460.9 Mt Coal (thermal)


Proposed Heavy Mobile Equipment as of July 31, 2014:
HME TypeModelSize
Dozer ....................... Subscription required 634 kW
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 1, 2021
....................... Subscription required ....................... Subscription required Subscription required Feb 1, 2021
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Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
Feasibility Study Report 2014
Subscription required - Subscription is required.

News:

NewsDate
Consolidated Tanager: Production at the Hinton, Alberta Coal Project Reaches Important Milestone, First Coal Royalty Payment Received October 24, 2019 November 1, 2019
Denison Mines Reports Results from Wheeler River PFS, Including +275% Increase in Pre-Tax NPV September 25, 2018

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