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Chile
Minera Florida Mine

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 Location:
30 km NW from Rancagua, Chile

  Address:
Villa San Jeronimo de Alhué
Santiago
Chile
Phone  ...  Subscription required
Fax+(56)-2-924-2401
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
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  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
  • Silver
  • Zinc
Mining Method
  • Sub-level open stoping (SLOS)
  • Longitudinal retreat
  • Dry waste backfill
Production Start...
Mine Life5 years (as of Jan 1, 2021)


Owners

Source:
CompanyInterestOwnership
Pan American Silver Corp. 100 % Indirect
Minera Florida Ltda. (operator) 100 % Direct
Pan American Silver Corp. and Yamana Gold Inc. are pleased to announce that Pan American has completed its previously announced acquisition of all of the issued and outstanding common shares of Yamana. The Arrangement adds four producing mines to Pan American's portfolio: the Jacobina mining complex in Brazil, the El Peñón and Minera Florida mines in Chile, and the Cerro Moro mine in Argentina.

Yamana holds a 100% indirect interest in the property through its wholly-owned subsidiary, Minera Florida Ltda.

Contractors

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Deposit Type

  • IOCG
  • Vein / narrow vein
  • Skarn
  • Hydrothermal


Summary:

The gold-silver-zinc mineralization at Minera Florida presents characteristics common to several deposit models but they do not fit any unique model, likely due to evolution of a long-lived mineralizing system over time. Although it displays characteristics of epithermal deposits (Moncada et al., 2015) such as structurally controlled banded and cockade textured polymetallic veins with haloes of illite alteration in a near-surface volcanic setting, it also shares characteristics with structurally controlled iron oxide-copper-gold (IOCG) and skarn deposits that indicate an intrusion- related environment, suggesting an evolution from a hot, intrusion-related setting to a cooler epithermal environment over the span of the magmatic and hydrothermal system.

Intrusion-related deposits are a broad category that encompasses the various deposit types that can be found in such an environment. Some epithermal (both high-and low-sulphidation) as well as skarn, and IOCG deposits are intrusion-related; features common to these deposit types are found at Minera Florida (Moncada et al., 2015).

In light of this, the following sequence outlines the important stages of the formation of Minera Florida deposit and is proposed as a guide for exploration for additional mineralization of this type:

- The district was affected by an early very-high-temperature regional metasomatic event caused by the transport of magmatic fluids along the steep El Roble fault and throu ........


Mining Methods

  • Sub-level open stoping (SLOS)
  • Longitudinal retreat
  • Dry waste backfill


Summary:

The Minera Florida operation consists of several underground mines that are accessed via six adits. Ore is sent to a mill where it is processed at a rate of 74,500 tpm, approximately 2,450 tpd. At the current processing rate, Minera Florida has a mine life of approximately five years based on mineral reserves only. However, Minera Florida has a long track-record of replacing mineral reserves through discoveries of new deposits while maintaining approximately five years of mineral reserves. Furthermore, Minera Florida’s favourable geological environment, both near mine and regionally, provides exceptional mineral potential that may eventually result in extending the mine life beyond the mineral reserves mine life. Yamana's track-record of mineral reserves replacement and new discoveries therefore indicates the potential of extending the mine life beyond the reserves LOM and sustaining a strategic mine life of 10 years or more.

Mining at Minera Florida is conducted using various underground variations on sublevel stoping (SLS), either traditional SLS or longitudinal retreat. The different mining zones are accessed via ramps that provide flexibility and access to the ore at different elevations.

Traditional SLS is used for veins thicker than 3.5 m. With this method, production drilling is conducted from upper levels, drilling is directed downwards for benching and upwards for undercutting the back. Two parallel galleries are generally developed at the lowe ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2023202220212020201920182017
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required8290
Silver koz  ......  Subscription required  ......  Subscription required  ......  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 required715,288 t792,706 t801,250 t
Tonnes processed  ......  Subscription required  ......  Subscription required  ......  Subscription required745,671 t824,669 t1,033,295 t
Daily processing rate  ......  Subscription required  ......  Subscription required  ......  Subscription required
Annual processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2022:
Mineral Reserves: Underground cut-off at $92.07/t.
Mineral Resources: Underground mineral resources are estimated at a cut-off value of $69.05/t, corrseponding to 75% of the cut-off used to estimate mineral reserves, for the Las Pataguas, PVS, and Cucaracha zones which are constrained to underground mining shapes. The remaining zones are reported unconstrained at a NSR cut-off value of $92.07/t.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 4,815 kt Gold 2.78 g/t 430 koz
Proven & Probable 4,815 kt Silver 19.5 g/t 3,011 koz
Proven & Probable 4,815 kt Zinc 0.91 % 97 M lbs
Measured & Indicated 7,533 kt Gold 4.36 g/t 1,056 koz
Measured & Indicated 7,533 kt Silver 24.1 g/t 5,844 koz
Measured & Indicated 7,533 kt Zinc 1.48 % 245 M lbs
Inferred 4,167 kt Gold 4.91 g/t 658 koz
Inferred 4,167 kt Silver 23.4 g/t 3,138 koz
Inferred 4,167 kt Zinc 1.2 % 111 M lbs

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs (sold) Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 917 / oz  
Cash costs Gold USD 916 / oz   812 / oz  
Cash costs Silver USD 11 / oz  
Total cash costs (sold) Gold Equivalent USD  ......  Subscription required 1,398 / oz  
Total cash costs (sold) Silver USD 13.7 / oz  
Total cash costs (sold) Gold USD 1,248 / oz  
All-in sustaining costs (sold) Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,327 / oz  
All-in sustaining costs (AISC) Gold USD 1,099 / oz   1,090 / oz  
All-in sustaining costs (AISC) Silver USD 14.9 / oz  
Subscription required - Subscription is required.

Financials:

Units2022202120202019201820172016
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 14.5   24.6   23.2  
Growth Capital M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 60.7   52.6   45.3  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 102.6   123.1   135.5  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required -162.3   3.1   22.6  
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Water Supply
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Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelQuantityLeased or
Contractor
Backhoe ....................... Subscription required ....................... Subscription required
Concrete sprayer ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required
Scaler ....................... Subscription required ....................... Subscription required
Telescopic Handler ....................... Subscription required ....................... Subscription required
Telescopic Handler ....................... Subscription required ....................... Subscription required
Telescopic Handler ....................... Subscription required ....................... Subscription required
Trans Mixer ....................... Subscription required ....................... Subscription required
Truck (dump) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
Management Discussion & Analysis 2022
Technical Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Annual Report 2018
Other 2018
Press Release 2018
Corporate Presentation 2017
Financial Review 2017
Management Discussion & Analysis 2017
Annual Report 2016
Annual Report 2015
Technical Report 2010
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