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Canada
Mount Brussilof (Baymag) Mine

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 Location:
33 km NE from Radium Hot Springs, British Columbia, Canada

  Address:
1200, 10655 Southport Road SW
Calgary
Alberta, Canada
T2W 4Y1
Phone  ...  Subscription required
Fax(403)-271-0010
EmailEmail
WebsiteWeb
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Magnesium
Mining Method
  • Truck & Shovel / Loader
Production Start...
Baymag Inc. produces magnesite at the Mount Brussilof mine from Cambrian limestones in which magnesium has replaced calcium.


Owners

Source: p. 5
CompanyInterestOwnership
Baymag Inc. (operator) 100 % Indirect

Contractors

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Deposit Type

  • Sediment-hosted
  • Hydrothermal


Summary:

The genesis of the deposit is thought to be mineralogical replacement or molecular substitution. As such, the process occurred when a fine-grained dolomite CaMg(CO3)2 was substituted by a coarse-crystalline magnesite MgCO3. The replacement, when taking place in geological past, likely included several phases of progressive influx of magnesium (Mg) rich fluids into existed dolomite sediment.

On the molecular basis, the incursion resulted in a near complete removal of Ca+2 from chemical structure of the sediment and a fill up of available vacancies with Mg+2. The above chemical process was accompanied by a textural transformation, where original fine-grained layout of dolomite molecules was transposed into coarsecrystalline texture of newly formed magnesite.

When viewed on a large scale the deposit is a relatively homogenous, high-grade orebody. Its appearance is well defined by a white to light-grey colour and remarkably evident crystalline texture of the magnesite rock. Closer examination, predominantly by chemical analysis, have identified that broad irregular zones of contaminants occur through such forms as veining, in-filling of fractures and within the magnesite matrix itself. The value of these contaminants and the form in which they occur play a key role in determining whether the material is considered as ore or waste.

The components of vein material are generally fine-grained pyrite and/or aphanitic white dolomite. Veins occur as i ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

At Mount Brussilof, commercial scale mining started in the second quarter of 1982 and has increased dramatically since then. The Mine is an open pit development and operates year round. Annual magnesite production is approximately 230 kt.


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022 *2021 *2020 *2017 *2016 *
Magnesite kt  ......  Subscription required *  ......  Subscription required  ......  Subscription required230230
All production numbers are expressed as ore. * Average annual production reported in 2016
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Operational Metrics:

Metrics20152014
Ore tonnes mined 220 kt180 kt

Reserves at December 31, 2021:

CategoryTonnage Commodity
Proven 50 Mt Magnesite



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 8, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 8, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 8, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 8, 2023
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Corporate Filings & Presentations:

DocumentYear
Other 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Other 2017
Project Description 2016
Other 2015
Other 2015
Other 2014
Subscription required - Subscription is required.

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