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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:
Alonso de Pacheco 300, 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 Life20 years (as of Jan 1, 2021)
In early April of 2020, Avino suspended mining-related activities at the Project site due to the COVID-19 pandemic.

August 3, 2021 - Mining operations have restarted at the Avino Mine.
Latest NewsAvino Adds Significant Mineral Resources To Total 368 Million Silver Equivalent Ounces Across All Properties     February 16, 2023


Owners

Source: p. 42
CompanyInterestOwnership
Avino Silver & Gold Mines Ltd. 99.67 % Indirect
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 Property 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 silv ........


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. 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 extents of the mineralization. Long holes are then drilled between the sublevels to facilitate blasting of the mineralization between the sublevels. In 2020, Avino reported it will 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:

CommodityProductUnits2022202120202019201820172016
Silver Equivalent Metal in copper conc. koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required1,8471,9111,606
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  ......  Subscription required
^ Guidance / Forecast.
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Operational Metrics:

Metrics202120202019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required427,147 t426,794 t460,890 t429,289 t
Daily milling capacity  ......  Subscription required  ......  Subscription required2,650 t2,650 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required456,100 t428,075 t462,279 t450,281 t
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Reserves at October 30, 2020:
Cut-off grade is 60 g/t AgEQ for the reported Mineral Resources.

CategoryTonnage CommodityGradeContained Metal
Measured 6,102 kt Silver 64 g/t 12.6 M oz
Measured 6,102 kt Copper 0.54 % 33,035 t
Measured 6,102 kt Gold 0.53 g/t 105 koz
Measured 6,102 kt Silver Equivalent 146 g/t 28.6 M oz
Indicated 20,365 kt Silver 50 g/t 32.4 M oz
Indicated 20,365 kt Copper 0.41 % 83,215 t
Indicated 20,365 kt Gold 0.53 g/t 347 koz
Indicated 20,365 kt Silver Equivalent 120 g/t 78.2 M oz
Inferred 9,626 kt Silver 40 g/t 12.4 M oz
Inferred 9,626 kt Copper 0.36 % 34,810 t
Inferred 9,626 kt Gold 0.43 g/t 135 koz
Inferred 9,626 kt Silver Equivalent 100 g/t 30.8 M oz

Commodity Production Costs:

CommodityUnits202120202019201820172016
Cash costs (sold) Silver Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 9.26 / oz   8.87 / oz   9.3 / oz  
All-in sustaining costs (sold) Silver Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 10.7 / oz   10.3 / oz   11 / oz  
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Financials:

Units2022202120202019
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 27, 2022
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Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 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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News:

NewsDate
Avino Adds Significant Mineral Resources To Total 368 Million Silver Equivalent Ounces Across All Properties February 16, 2023

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