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Mexico
Penasquito Mine

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 Location:
14 km W from Mazapil, Zacatecas, Mexico

  Regional Office:
Paseo de las palmas 425-15 Lomas de Chapultepec
Mexico, D. F.
Mexico, Mexico
11000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
  • Lead
  • Zinc
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life10 years (as of Jan 1, 2021)
Penasquito open pit mine is the world’s fifth largest silver mine and Mexico’s second biggest.


Owners

Source: p. 13, 37
CompanyInterestOwnership
Newmont Corp. 100 % Indirect
The Project is indirectly 100% held by Newmont. Newmont uses an indirectly 100% owned subsidiary, Minera Peñasquito SA de C.V. (Minera Peñasquito), as the operating entity for the mining operations. Newmont acquired the project as part of the merger with Goldcorp in 2019.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Skarn
  • Breccia pipe / Stockwork


Summary:

The deposits within the Peñasquito Operations are considered to be examples of breccia pipe deposits developed as a result of intrusion-related hydrothermal activity.

The breccia pipes are believed to be related to quartz–feldspar porphyry stocks beneath the Peñasquito area. The current bedrock surface is estimated to be a minimum of 50 m (and possibly several hundred meters) below the original paleo-surface when the diatremes were formed.

Alluvium thickness averages 30–50 m at Peñasquito, and this cover obscured the diatremes. There is one small outcrop of breccia near the center of the Peñasco diatreme, rising about 5 m above the valley surface. The single outcrop near the center of the Peñasco pipe contained weak sulfide mineralization along the south and west side of the outcrop, representing the uppermost expression of much larger mineralized zones at depth.

Peñasco and Brecha Azul are funnel-shaped breccia pipes, which flare upward, and are filled with brecciated sedimentary and intrusive rocks, cut by intrusive dikes.

The larger diatreme, Peñasco, has a diameter of 900 m by 800 m immediately beneath surface alluvial cover, and diatreme breccias extend to at least 1,000 m below surface. The Brecha Azul diatreme, which lies to the southeast of Peñasco, is about 500 m in diameter immediately below alluvium, and diatreme breccias also extend to at least 1,000 m below surface.

Chile Colorado is a mineralized stockwork l ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Peñasquito Operations contain the Peñasco and Chile Colorado deposits. Open pit mining commenced in 2010, and commercial production was reached during 2011. The open pit feeds a sulfide concentrator (mill).

Open pit mining is conducted using conventional techniques and an Owner-operated conventional truck and shovel fleet. Currently, two open pits, Peñasco and Chile Colorado are being mined.

The Peñasquito pit has four remaining stages (Phases 6 to 9), and will be excavated to a total depth of 780 m. The Chile Colorado pit has one remaining stage (Phase 2), and will reach 461 m ultimate depth. An ore stockpiling strategy is practiced.

The remaining mine life is 10 years, with the last year, 2031, being a partial year. The open pit operations will progress at a nominal annual mining rate of 193 Mt/a until the end of 2023, subsequently decreasing to a nominal mining rate of 144 Mt/a until the end of 2027. The LOM plan assumes a nominal rate of 36 Mt/a milling until 2031.

Operations use a standard drill-and-blast, truck-and-shovel configuration. The ramp design comprises two traffic lanes, safety berms and ditches. Ramp gradients are established at 10%. Haul road width assumptions include berm security of 8 m of width. The height of the safety berm is generally about 2/3 of the diameter of tire of the largest vehicle travelling on the road.

The overall designs are based around 15 m mining bench and 30 m double bench i ........


Crushing and Grinding
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Processing

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Summary:

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Production:
Peñasquito produced 129,000 ounces of gold and 443,000 gold equivalent ounces of other metals since the completion of the acquisition of the mine site as part of the Newmont Goldcorp transaction on April 18, 2019.

CommodityProductUnits2022202120202019201820172016
Gold Metal in conc./ doré koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in conc./ doré koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Equivalent koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Payable metal koz 272476465
Silver Payable metal koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Payable metal M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Payable metal M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Equivalent Payable metal koz  ......  Subscription required  ......  Subscription required
Lead Concentrate kt  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required86,645 k tons181,612 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required21,483 k tons47,841 kt
Waste  ......  Subscription required  ......  Subscription required65,162 k tons133,771 kt
Daily milling capacity  ......  Subscription required  ......  Subscription required124,000 t130,000 t130,000 t
Tonnes processed  ......  Subscription required  ......  Subscription required15,038 k tons35,248 kt37,083 kt35,218 kt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required2.8
Daily milling rate  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 31, 2021:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 362,000 kt Gold 0.54 g/t 6,330 koz
Proven & Probable 362,000 kt Silver 33.84 g/t 393,890 koz
Proven & Probable 362,000 kt Lead 0.32 % 2,580 M lbs
Proven & Probable 362,000 kt Zinc 0.78 % 6,250 M lbs
Measured & Indicated 208,000 kt Gold 0.27 g/t 1,780 koz
Measured & Indicated 208,000 kt Silver 26.26 g/t 175,610 koz
Measured & Indicated 208,000 kt Lead 0.27 % 1,230 M lbs
Measured & Indicated 208,000 kt Zinc 0.59 % 2,690 M lbs
Inferred 89,800 kt Gold 0.4 g/t 1,160 koz
Inferred 89,800 kt Silver 28 g/t 80,840 koz
Inferred 89,800 kt Lead 0.24 % 480 M lbs
Inferred 89,800 kt Zinc 0.54 % 1,070 M lbs

Commodity Production Costs:

CommodityUnits202220212020201920182017
Credits (by-product) Gold USD  ......  Subscription required
Total cash costs (sold) Gold Equivalent USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total cash costs Gold USD 756 / oz   678 / oz  
Total cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
Total cash costs Gold USD -80 / oz†   -106 / oz†  
All-in sustaining costs (sold) Gold Equivalent USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All-in sustaining costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
All-in sustaining costs (AISC) Gold USD 648 / oz†   370 / oz†  
^ Guidance / Forecast.
† Net of By-Product.
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Operating Costs:

Units20162015
OP mining costs ($/t mined) USD 1.982.09
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units2022202120202019201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 189   213   195  
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 525   537   235  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 1,050   1,400   1,044  
Operating Income M USD 55   370   99  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required



Heavy Mobile Equipment:
HME TypeModelSizeQuantityRef. Date
Dozer (crawler) ....................... Subscription required ....................... Subscription required Feb 28, 2020
Dozer (crawler) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Dozer (crawler) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Drill ....................... Subscription required 10.625 inch ....................... Subscription required Dec 31, 2021
Drill ....................... Subscription required 10.625 inch ....................... Subscription required Dec 31, 2021
Drill ....................... Subscription required 4.5 inch ....................... Subscription required Dec 31, 2021
Excavator ....................... Subscription required ....................... Subscription required Jan 11, 2022
Grader ....................... Subscription required ....................... Subscription required Feb 28, 2020
Grader ....................... Subscription required ....................... Subscription required Dec 31, 2021
Loader ....................... Subscription required ....................... Subscription required Dec 31, 2021
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Shovel (hydraulic) ....................... Subscription required ....................... Subscription required Feb 28, 2020
Shovel (rope) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Truck (haul) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Truck (haul) ....................... Subscription required ....................... Subscription required Dec 31, 2021
Truck (water) ....................... Subscription required ....................... Subscription required Feb 28, 2020
Truck (water) ....................... Subscription required ....................... Subscription required Nov 23, 2021
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 9, 2023
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 17, 2022
Subscription required - Subscription is required.

Staff:

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

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Other 2022
................................... 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
Corporate Presentation 2018
Management Discussion & Analysis 2018
Press Release 2018
Technical Report 2018
Year-end Mineral Reserves 2018
Annual Information Form 2017
Annual Report 2017
Press Release 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Information Form 2015
Annual Report 2015
Technical Report 2015
Annual Report 2014
Other 2013
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