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Canada
Fox Complex

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 Location:
65 km E from Timmins, Ontario, Canada
  Address:
St Andrews Road
Monteith
Ontario, Canada
P0K 1P0
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
  • Silver
Mining Method
  • Longitudinal open stoping
  • Longhole stoping
  • Transverse stoping
  • Longitudinal stoping
  • Cemented backfill
  • Backfill
Production Start...
Mine Life12.3 years (as of Jan 1, 2022)
The Black Fox property includes the Black Fox mine and surrounding properties, including the advanced-stage Grey Fox property and Froome mine, the latter of which declared commercial production during the third quarter of 2021. The Stock property, the site of former Stock mine, is located approximately 17 miles from the Black Fox mine. The Stock property includes the Stock mill where mineralized material from the Froome mine is transported to and processed, and the Stock West advanced development project. In addition, the Canada segment includes other exploration properties such as Fuller, Davidson-Tisdale, Buffalo Ankerite and Paymaster.
Latest NewsMcEwen Mining: Stock Exploration Update     May 8, 2023

Owners

Source: p. 4
CompanyInterestOwnership
McEwen Mining Inc. 100 % Indirect

Contractors

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Deposit Type

  • Vein / narrow vein
  • Breccia pipe / Stockwork
  • Epithermal

Summary:

Deposit Types The Eastern properties, Stock, and Western properties are all located proximal to a 200 km central segment of the PDDZ which has generated approximately 100 Moz of gold since 1910. Over a hundred gold deposits are distributed along this major, compressional to transextensional, crustal-scale fault zone. Studies suggest a long-lived, multi-staged open/close orogenic system resulting in the emplacement of auriferous quartz-carbonate veins - a major component of the greenstone deposit clan (Dubé and Gosselin, 2007). At the Black Fox and Froome mines, Stock and Western properties, gold-bearing veins are predominantly associated with: • Structurally controlled dilatant zones (shearing, brecciation, offsets) • Greenschist facies metavolcanic host rocks • Crustal scale faults (i.e., the PDDZ) • Syn-tectonic intrusive bodies These characteristics are consistently seen at the Western properties, Stock and Froome sites and are classified as orogenic gold occurrences related to longitudinal shear zones. These greenstone-hosted quartz-carbonate vein deposits are a sub-type of lode-gold deposits (Poulsen et al., 2000) and correspond to structurally controlled, complex epigenetic deposits hosted in deformed metamorphosed terranes (Dubé and Gosselin, 2007). Gold mineralization at the Grey Fox deposit (located 4 km to the southeast of the Black Fox Mine), is spatially associated with syenite, melanosyenite and quartz-feldspar porphyritic intrusive rocks, has a strong met ........

Mining Methods

  • Longitudinal open stoping
  • Longhole stoping
  • Transverse stoping
  • Longitudinal stoping
  • Cemented backfill
  • Backfill

Summary:

Mining at the Fox Complex is currently conducted using underground mining methods at Froome Mine and will continue as underground operations across all project sites, with production from Grey Fox commencing in Year 4, from Stock West in Year 4, and from Fuller in Year 9. A target processing rate of approximately 2,000 t/d was used to schedule the LOM.

Underground Mining
The Fox Complex mining operations are planned to extract mineralized material from four independent operations. The Froome Mine at the Black Fox site entered production in 2021. Grey Fox is located 3.5 km southeast of the existing Black Fox mine and has six defined zones for extraction using two portals from surface and four internal declines to access the zones. Stock West is located near the existing Fox Mill and will develop a new decline access from surface to the deposit. Initial access to the Fuller Mine will involve the rehabilitation of the existing portal and workings of the historical Fuller Mine with the development a new decline to the deposit, connecting with historical workings.

Froome
Froome mine development started with the initial ramp development in 2020, culminating with the initial stope production in early 2021. The mine is now producing at a daily rate range of 1300-1,500 t/d and further optimizations are underway to improve gold production.

The Froome mine has a relatively short mine life that will strategically provide feed to the Fox Mill wh ........

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2023202220212020201920182017
Gold Equivalent koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required49
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required214 kt256 kt263,889 t
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required244 kt263 kt685,250 t
Daily processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required2,500 t2,500 t
Daily milling rate  ......  Subscription required  ......  Subscription required  ......  Subscription required2,221 t
Daily ore mining rate  ......  Subscription required  ......  Subscription required  ......  Subscription required500 t
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Reserves at December 31, 2022:
Mineral Resources for the Froome mine are reported above an economic cut-off grade of 2.35 g/t gold.
Mineral Resources for Grey Fox are reported above an economic cut-off grade of 2.30 g/t gold.
Mineral Resources for Stock West are reported above an economic cut-off grade of 1.95 g/t gold.
Mineral Resources for Fuller are reported above an economic cut-off grade of 2.30 g/t gold.
Mineral Resources for Stock East are reported above an economic cut-off grade of 1.67 g/t gold.

CategoryTonnage CommodityGradeContained Metal
Measured 1,248 kt Gold 5.06 g/t 203 koz
Indicated 12,718 kt Gold 4.14 g/t 1,693 koz
Measured & Indicated 13,966 kt Gold 4.22 g/t 1,896 koz
Inferred 3,912 kt Gold 3.86 g/t 485 koz

Commodity Production Costs:

CommodityUnits2023202220212020201920182017
Total cash costs (sold) Gold Equivalent USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 845 / oz   865 / oz  
Total cash costs Gold USD
All-in sustaining costs (sold) Gold Equivalent USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,137 / oz   1,319 / oz  
All-in sustaining costs (AISC) Gold USD
^ Guidance / Forecast.
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Financials:

Units202220212020201920182016
Sustaining costs M USD 5.7  
Capital expenditures M USD 30.3  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 62   71.6  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 6  
After-tax Income M USD -117.2  
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Pipelines and Water Supply
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Heavy Mobile Equipment as of January 26, 2022:
HME TypeSizeQuantityStatus
Bolter ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed
Drill (long hole) ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required Proposed
Drill jumbo (two boom) ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Load-Haul-Dump (LHD) 4 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) 6 cu. yd ....................... Subscription required Existing
Load-Haul-Dump (LHD) 8 cu. yd ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required Proposed
Scissor Lift ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (underground) 30 t ....................... Subscription required Existing
Truck (underground) 50 t ....................... Subscription required Existing
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 28, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 28, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 30, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Fact Sheet 2023
Form 10-K 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Form 10-K 2018
Press Release 2018
Technical Report 2018
Form 10-K 2017
Management Discussion & Analysis 2017
Press Release 2017
Annual Report 2016
Press Release 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Financial Review 2015
Press Release 2015
Press Release 2015
Annual Report 2014
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News:

NewsDate
McEwen Mining: Stock Exploration Update May 8, 2023

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