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Mexico
Saucito Mine

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 Location:
7 km SW from Fresnillo, Zacatecas, Mexico
  Regional Office:
Avenida Hidalgo NO. 451
Fresnillo
Zacatecas, Mexico
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WebsiteWeb
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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
  • Gold
  • Lead
  • Zinc
  • Pyrite
Mining Method
  • Overhand Cut & Fill
Processing
  • Flotation
Mine Life4.7 years (as of Jan 1, 2019)

Owners

Source: p. 44
CompanyInterestOwnership
Fresnillo plc. 100 % Indirect
Minera Saucito S.A. de C.V. 100 % Direct
Deposit Type

  • Epithermal
  • Vein / narrow vein

Summary:

The Saucito project comprises a system of epithermal veins containing silver, gold, lead and zinc. The veins are polymetallic, containing gold, silver, lead, zinc and copper mineralization in sulfides.

Mining Methods

  • Overhand Cut & Fill

Summary:

The project to sink the Jarillas shaft from 630 metres to 1,000 metres continued, reaching 882 metres by the end of 2019. This project, which will provide access to the deeper reserves of the Jarillas vein, is expected to be completed by the end of 2023.

Crushing and Grinding

Processing

  • Flotation

Source: Subscription required

Summary:

Following its commissioning in mid-2018, this was the first full year of operation for the Pyrites Plant at Saucito, with the plant producing over 1.1 moz of silver and 4.0 koz of gold during 2019.

Saucito’s beneficiation plant and process is very similar to that of Fresnillo. Crushed ore from the mine is fed into an SAG mill, where it is ground further and then passed into ball mills to further process it before passing to the flotation stage.

Recoveries & Grades:

CommodityParameter201920182017201620152014
Silver Head Grade, g/t  ......  Subscription required  ......  Subscription required279.8302.7327.5338.9
Gold Head Grade, g/t  ......  Subscription required  ......  Subscription required1.091.391.421.4
Lead Head Grade, %  ......  Subscription required  ......  Subscription required0.770.931.010.75
Lead Concentrate Grade, %  ......  Subscription required  ......  Subscription required33.434.13024.7
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required1.211.491.71.32
Zinc Concentrate Grade, %  ......  Subscription required  ......  Subscription required48.746.649.350.5

Production:

CommodityProductUnits2019201820172016201520142013
Silver Metal in concentrate oz  ......  Subscription required19,780,72121,215,07221,946,05921,983,85215,396,75411,581,014
Gold Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pyrite Concentrate kt  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2019201820172016201520142011
Daily milling capacity  ......  Subscription required  ......  Subscription required7,800 t7,800 t6,600 t3,000 t
Annual milling capacity  ......  Subscription required  ......  Subscription required2,600,000 t2,600,000 t2,200,000 t990,000 t
Tonnes processed  ......  Subscription required  ......  Subscription required2,753,876 t2,635,093 t2,339,096 t1,534,579 t823,339 t
Subscription required - Subscription is required.

Reserves at May 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 12,993 kt Silver 287 g/t 119,720 koz
Proven & Probable 12,993 kt Gold 1.2 g/t 500 koz
Proven & Probable 12,993 kt Lead 1.26 % 163 kt
Proven & Probable 12,993 kt Zinc 2.22 % 288 kt
Measured & Indicated 22,024 kt Silver 282 g/t 199,817 koz
Measured & Indicated 22,024 kt Gold 1.44 g/t 1,016 koz
Measured & Indicated 22,024 kt Lead 1.39 % 307 kt
Measured & Indicated 22,024 kt Zinc 2.48 % 547 kt
Inferred 30,133 kt Silver 305 g/t 295,710 koz
Inferred 30,133 kt Gold 0.77 g/t 747 koz
Inferred 30,133 kt Lead 1.22 % 368 kt
Inferred 30,133 kt Zinc 2.18 % 656 kt

Commodity Production Costs:

CommodityUnits201920182017201620152014
Cash costs Silver USD  ......  Subscription required† 1 / oz† 1.5 / oz† -0.39 / oz† 1.15 / oz† 2.48 / oz†
All-in sustaining costs (AISC) Silver USD  ......  Subscription required† 8.64 / oz† 7.09 / oz† 4.77 / oz† 7.11 / oz† 5.43 / oz†
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2019201820172016201520142013
UG mining costs ($/t milled) USD 67.860.147.636.842.559.161

Financials:

Units201920182017201620152014
Capital expenditures M USD  ......  Subscription required148.4  133.7   102.4   108.3   114.4  
Revenue M USD  ......  Subscription required492  504.2   528   468.4   372.5  
Gross profit M USD  ......  Subscription required274.5  315.2   363.8   295.2   235  
Subscription required - Subscription is required

Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 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
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Annual Report 2018
Annual Report 2017
Annual Report 2016
Corporate Presentation 2016
Annual Report 2015
Annual Report 2014
Annual Report 2010
Press Release 2008
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Aerial view:

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