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Mexico
Avino Mine (Avino Oxide Tailings Project)

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 Location:
65 km NE from Durango, Durango, Mexico

  Regional Office:
Alfonso de Pacheco No. 300 Colonia Nueva Vizcaya
Durango
Durango, Mexico
34080
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Silver
  • Copper
  • Gold
Mining Method
  • Sub-level stoping
  • Longitudinal retreat
  • Room-and-pillar
Production Start...
Mine Life2042
In early April 2020, Avino suspended mining-related activities at the Project site due to the COVID-19 pandemic. In early June 2020, the company was provided authorization by the Mexican Secretariat of Health to commence regular operational activities in an orderly, gradual, and cautious manner.

Mine operation activities were later interrupted up to the end of Q3 2020 until Avino reached an agreement with the union (Avino 2020e). After a period of operational suspension, the Avino Mine restarted production during Q3 2021.


Owners

Source: p. 21,42
CompanyInterestOwnership
Avino Silver & Gold Mines Ltd. 99.67 % Indirect
Avino holds a 99.67% interest in the Property through its subsidiary companies called Compañía Minera Mexicana de Avino, S.A. de C.V. (CMMA) and Promotora Avino, S.A. de C.V. (Promotora).

Summary of Property Ownership:
- CMMA (subsidiary) - 98.45 %
- Promotora Avino, S.A. de C.V. (subsidiary) - 1.22 %
- Estate of Ysita (non-controlling interest) - 0.33 %

Contractors

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Deposit Type

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


Summary:

The Avino concession is located within a 12 km (north-south) by 8.5 km (east-west) caldera. The area contains numerous low-sulphidation epithermal veins, breccias, stockwork, and silicified zones that grade into a “near porphyry” environment, particularly in the Avino Mine area. The caldera has been uplifted by regional north-trending block faulting (a graben structure), exposing a window of andesitic pyroclastic rocks of the lower volcanic sequence within the caldera. The Lower Volcanic Sequence is overlain by the Upper Volcanic Sequence, consisting of rhyolite to trachyte flows and extensive ignimbrites and intruded by monzonite bodies. AVINO VEIN Geology and mineralization of the Avino Vein are summarized from Slim (2005d). The Avino Vein is 1.6 km long and 60 m wide on the surface. The Avino Vein is the most striking and important example of the epithermal mineralization of the district whose structures are normally weathered and leached in their upper section as a result of contact with atmospheric waters producing a band of oxide minerals and zones of supergene enrichment to a depth of about 70 m. In the oxide portion of the Avino Vein, the common minerals encountered include hematite, limonite, anglesite, and copper carbonate in white or green, somewhat chloritized, quartz zones. The common primary and secondary minerals encountered are argentite, bromargyrite, chalcopyrite, chalcocite, galena sphalerite, bornite, native silver, free gold, and native copper. Other ........


Mining Methods

  • Sub-level stoping
  • Longitudinal retreat
  • Room-and-pillar


Summary:

Avino is currently mining on the Avino Vein using sublevel stoping and room and pillar mining methods. Levels are spaced 20 m apart and accessed via crosscuts from the main ramp (Tetra Tech 2018). Access into the Avino Vein is through the ET Mine.

The room and pillar mining method is used on each sublevel to mine out each level to the extent of the mineralization. Long holes are then drilled between the sublevels to facilitate the blasting of the mineralization between the sublevels (Tetra Tech 2018). In 2020, Avino reported it would transition from development-style mining to full-scale production mining to feed all four circuits using the long-hole retreat mining method, which is anticipated to incur lower mining costs.


Crushing and Grinding
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Processing

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Summary:

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Production:
In early April of 2020, Avino suspended mining-related activities at the Project site due to the COVID-19 pandemic. After a period of operational suspension, the Avino Mine restarted production during Q3 2021.
August 3, 2021 - Mining operations have restarted at the Avino Mine.

CommodityProductUnits2023202220212020201920182017
Silver Equivalent Metal in copper conc. koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required1,8471,911
Silver Metal in copper conc. oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Metal in copper conc. M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in copper conc. oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
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Operational Metrics:

Metrics202220212020201920182017
Daily milling capacity  ......  Subscription required  ......  Subscription required2,650 t2,650 t2,650 t
Tonnes milled  ......  Subscription required  ......  Subscription required204,286 t427,147 t426,794 t460,890 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required190,061 t456,100 t428,075 t462,279 t
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Reserves at November 30, 2022:
There are currently no Mineral Reserves reported on the Property.

Mineral Resources are reported at cut-off grades 60 g/t AgEQ. The silver equivalent was back-calculated using the following formula: AgEQ = Ag (g/t) + 71.43 * Au (g/t) + 113.04 * Cu (%).

CategoryTonnage CommodityGradeContained Metal
Measured & Indicated 27.8 Mt Silver 60 g/t 53.17 M oz
Measured & Indicated 27.8 Mt Copper 0.46 % 283 M lbs
Measured & Indicated 27.8 Mt Gold 0.53 g/t 476 koz
Measured & Indicated 27.8 Mt Silver Equivalent 150 g/t 133.8 M oz
Inferred 17.591 Mt Silver 37 g/t 20.72 M oz
Inferred 17.591 Mt Copper 0.4 % 154.18 M lbs
Inferred 17.591 Mt Gold 0.34 g/t 191 koz
Inferred 17.591 Mt Silver Equivalent 106 g/t 59.76 M oz

Commodity Production Costs:

Commodity202220212020201920182017
Cash costs (sold) Silver Equivalent  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 9.26 / oz  USD 8.87 / oz  USD
All-in sustaining costs (sold) Silver Equivalent  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 10.7 / oz  USD 10.3 / oz  USD
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Financials:

Units2022202120202019
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Water Supply
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 22, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 21, 2023
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Staff:

EmployeesYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Technical Report 2023
Annual Report 2022
Corporate Presentation 2022
Form 40-F 2022
Management Discussion & Analysis 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Form 20-F 2018
Management Discussion & Analysis 2018
Press Release 2018
Press Release 2018
Management Discussion & Analysis 2017
Annual Report 2016
Technical Report 2016
Form 20-F 2015
Management Discussion & Analysis 2015
Form 20-F 2014
Technical Report 2013
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