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Canada
Record Ridge Project

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 Location:
14 km SW from Trail, British Columbia, Canada

  Project Contacts:
P.O Box 68121
Calgary
Alberta, Canada
T3G 3N8
Phone  ...  Subscription required
Fax403.206-7159
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Magnesium
Mining Method
  • Truck & Shovel / Loader
Processing
  • Counter current decantation (CCD)
  • Acid tank leaching
Mine Life42 years (as of Jan 1, 2013)
May 29, 2018 - West High Yield Announces Initiation of the Record Ridge Industrial Mineral Mine Permitting Process.
Latest NewsWest High Yield Closes First Tranche of Private Placement     December 1, 2020


Owners

 
CompanyInterestOwnership
West High Yield Resources Ltd. 100 % Direct

Deposit Type

  • Magmatic


Summary:

Mineralization containing economically significant concentrations of Mg is known to occur in the ultramafic rocks which have undergone serpentinization. This rock type makes up the predominant lithology described at the Project, and occurs widespread. Lower concentrations of Mg within the serpentinite are present in dioritic intrusive rocks and lenses of andesite/gabbro.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Record Ridge will be mined using conventional open pit methods using a default 365 day production cycle comprising of one 12 hour shift delivering approximately 3,000 t/d of material to the crusher. Waste material below specified cut-off will be hauled from the pit and placed in a designated waste dump location.

Mill material will be mined from the pit and transported to the processing facility near the mine and placed in a stockpile and subsequently fed into the crusher bin by front-end-loader.


Crushing and Grinding


Processing

  • Counter current decantation (CCD)
  • Acid tank leaching

Source: Subscription required

Summary:

The mined magnesium oxide bearing material will be delivered to the comminution circuit. It will undergo primary crushing with a jaw crusher. The crushed materials will then be accumulated in storage for eventual grinding. Close circuit grinding will be undertaken with a SAG and ball mill system with interstage hydrocyclone classification to control energy use and product size. The ground material will then undergo liquid solid separation via thickening with water reclaim back to the comminution circuit. The ground solids will then be treated hydrometallurgically by leaching magnesium with sulfuric acid. The sulfuric acid will be produced on site by burning elemental sulfur. The majority of the heat from the acid plant will be reclaimed in the form of steam for use in the plant and also potentially as co generated electrical power as needed in the process. The leaching will be conducted in a series of continuous stirred tank reactors heated by steam produced from the acid plant. The le ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Magnesia Recovery Rate, %  ......  Subscription required
Magnesia Head Grade, % 24.6
Subscription required - Subscription is required.

Projected Production:

CommodityUnitsLOM
Magnesia kt 14,387
All production numbers are expressed as concentrate.

Operational Metrics:

Metrics
Stripping / waste ratio 0.81 *
Daily mining capacity 3,000 t *
Daily milling capacity 2,880 t *
Waste tonnes, LOM 35,796 kt *
Ore tonnes mined, LOM 44,070 kt *
Total tonnes mined, LOM 79,866 kt *
Tonnes milled, LOM 44,070 kt *
* According to 2013 study.

Reserves at June 3, 2013:

CategoryTonnage CommodityGradeContained Metal
Measured 28.4 Mt Magnesium 24.82 % 7.05 Mt
Indicated 14.6 Mt Magnesium 24.21 % 3.54 Mt
Measured & Indicated 43 Mt Magnesium 24.61 % 10.59 Mt
Inferred 1.07 Mt Magnesium 24.37 % 0.26 Mt

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Magnesia USD 668.17 / t *
Assumed price Magnesia USD 1,100 / t *
* According to 2013 study / presentation.

Operating Costs:

Units2013
OP mining costs ($/t mined) USD 2.26 *
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2013 study.
Subscription required - Subscription is required.

2013 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 12,059
G&A costs $M USD 66.5
Total OpEx $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Subscription required - Subscription is required.

Proposed Heavy Mobile Equipment as of June 3, 2013:
HME TypeModelQuantity
Drill ....................... Subscription required 1
....................... Subscription required ....................... Subscription required 2
....................... Subscription required ....................... Subscription required 6
Subscription required - Subscription is required.

Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2018
Preliminary Economic Assessment 2013
Subscription required - Subscription is required.

News:

NewsDate
West High Yield Closes First Tranche of Private Placement December 1, 2020
West High Yield Announces Release of Third Quarter Financial Results and Modifies Previously Announced Private Placement November 23, 2020
West High Yield Announces Private Placements October 7, 2020

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