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Mexico
San Julián Mine

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 Location:
166 km NE from Guamúchil, Chihuahua, Mexico

  Regional Office:
Calzada Legaria, No. 549, Torre 2 Colonia 10 de abril, Delegación Miguel Hidalgo
México
Mexico
11250
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Silver
  • Gold
  • Zinc
  • Lead
Processing
  • Flotation
  • Leaching plant / circuit
  • Cyanide (reagent)
Mine Life5.4 years (as of Jan 1, 2019)


Owners

Source: p. 46
CompanyInterestOwnership
Fresnillo plc. 100 % Indirect
Minera Fresnillo SA de CV 100 % Direct

Deposit Type

  • Epithermal
  • Vein / narrow vein


Summary:

The San Julián project comprises a series of silver-gold veins as well as disseminated ore.

The new San Julian mine in construction displays a silver resource of 200 Moz in two different types of ore bodies: (i) typical low sulphidation epithermal veins and (ii) disseminated sulphides in subvolcanic and volcanic felsic rocks. Exploration strategy involved early recognition of Cienega-style characteristics providing confidence in the geologic model, and persistence when evaluating the non-typical disseminated mineralization.


Mining Methods


Summary:


Crushing and Grinding


Processing

  • Flotation
  • Leaching plant / circuit
  • Cyanide (reagent)

Source: Subscription required

Summary:

Underground mine, flotation plant and a dynamic leaching plant.

The San Julián project includes construction of two plants:
1) a dynamic leaching plant to treat ore from the veins
2) a flotation plant with 6,000 tpd capacity to process ore from the disseminated body.

Recoveries & Grades:

CommodityParameter2019201820172016
Zinc Head Grade, % 1.361.35
Zinc Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Head Grade, % 0.440.43
Lead Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Head Grade, g/t 172.5
Gold Head Grade, g/t 2.47
Subscription required - Subscription is required.

Production:

CommodityProductUnits2019201820172016
Silver Metal koz  ......  Subscription required  ......  Subscription required10,5342,066
Gold Metal oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Metal t  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Metal t  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2019201820172016
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required423 kt
Daily processing capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at May 31, 2019:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven & Probable Veins 4,346 kt Silver 160 g/t 22,350 koz
Proven & Probable Veins 4,346 kt Gold 1.75 g/t 245 koz
Proven & Probable Disseminated 12,073 kt Silver 175 g/t 67,772 koz
Proven & Probable Disseminated 12,073 kt Gold 0.11 g/t 42 koz
Proven & Probable Disseminated 12,073 kt Zinc 1.3 % 157 kt
Proven & Probable Disseminated 12,073 kt Lead 0.49 % 60 kt
Measured & Indicated Veins 11,606 kt Silver 129 g/t 48,164 koz
Measured & Indicated Veins 11,606 kt Gold 1.63 g/t 607 koz
Measured & Indicated Disseminated 17,113 kt Silver 174 g/t 95,827 koz
Measured & Indicated Disseminated 17,113 kt Gold 0.11 g/t 61 koz
Measured & Indicated Disseminated 17,113 kt Zinc 1.5 % 258 kt
Measured & Indicated Disseminated 17,113 kt Lead 0.53 % 90 kt
Inferred Veins 10,866 kt Silver 159 g/t 55,501 koz
Inferred Veins 10,866 kt Gold 1.28 g/t 446 koz
Inferred Disseminated 63 kt Silver 36 g/t 74 koz
Inferred Disseminated 63 kt Gold 0.04 g/t koz
Inferred Disseminated 63 kt Zinc 1.85 % 1 kt
Inferred Disseminated 63 kt Lead 0.08 % kt

Financials:

Units2019201820172016
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 2, 2020
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2018
Annual Report 2017
Other 2017
Annual Report 2016
Subscription required - Subscription is required.

Aerial view:

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