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Mexico
Noche Buena Mine

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 Location:
57 km NW from Caborca, Sonora, Mexico
  Regional Office:
Callejón Sin Nombre No. 209 Oeste, Col. Centro
Caborca
Sonora, Mexico
83600
Phone  ...  Subscription required
Fax01(637)-372-1935
WebsiteWeb
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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
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life1.5 years (as of Jan 1, 2021)

Owners

Source: p. 278
CompanyInterestOwnership
Fresnillo plc. 100 % Indirect
Minera Penmont, S. de R.L. de C.V (operator) 100 % Direct
Noche Buena is operated by Minera Penmont S. de R.L. de C.V (Minera Penmont) as a subsidiary of Fresnillo Plc (Fresnillo). Fresnillo is the 100 percent owner.

Contractors

Subscription required - Subscription is required.

Deposit Type

  • Vein / narrow vein
  • Hydrothermal

Summary:

Noche Buena is located in the Herradura district, 23 kilometres from the Herradura mine.

Gold rich veins are restricted to the Proterozoic rocks which consist of biotite-feldspar-quartz and quartz-feldspar gneisses of sedimentary and plutonic origin. The hydrothermal system is structurally controlled and the higher grade mineralization occurs in quartz-sulfide veins filling tensional fractures. Quartz-sericite-albite alteration is widespread in the core of the deposit and grades to propylitic in the outer parts where the gneisses are more biotite rich.

Mining Methods

  • Truck & Shovel / Loader

Summary:

Noche Buena is an open pit gold mine which developed by conventional truck and shovel method with preliminary drilling and blasting operations. DM 45 Drilling machines are utilized for drilling blast holes, Cat 992 wheel loaders and Cat 390 Excavators for loading ore and waste to Cat 777 and Cat 775 haulage trucks.

Crushing and Grinding

Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.

Production:

CommodityUnits2021202020192018201720162015
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required167,208172,282182,280158,179
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required48,621 kt80,305 kt85,233 kt81,423 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required12,167 kt18,196 kt17,821 kt17,432 kt
Tonnes processed  ......  Subscription required  ......  Subscription required12,166,900 t18,195,744 t17,820,817 t17,431,718 t
Subscription required - Subscription is required.

Reserves at May 31, 2021:
Mineral reserve cut-off grade is 0.2 g/t Au.
Mineral resource cut-off grade is 0.2 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 13,647 kt Gold 0.49 g/t 214 koz
Probable 80 kt Gold 0.54 g/t 1 koz
Proven & Probable 13,727 kt Gold 0.49 g/t 216 koz
Measured 18,125 kt Gold 0.49 g/t 284 koz
Indicated 2,404 kt Gold 0.6 g/t 46 koz
Measured & Indicated 20,529 kt Gold 0.5 g/t 331 koz
Inferred 1,678 kt Gold 0.74 g/t 40 koz

Commodity Production Costs:

CommodityUnits202120202019201820172016
Cash costs Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 735.4 / oz†   793.5 / oz†   765.9 / oz†  
All-in sustaining costs (AISC) Gold USD  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1,030 / oz†   870.05 / oz†   823.04 / oz†  
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2021202020192018201720162015
Total operating costs ($/t milled) USD 1110.89.86.87.57.57.9

Financials:

Units2022202120202019201820172016
Capital expenditures (planned) M USD  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 50.2   18.7   8.6  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 211.4   215.5   225.8  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 85.9   75.5   83.9  
EBITDA M USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required

Heavy Mobile Equipment as of June 21, 2022:
HME TypeModelLeased or
Contractor
Drill ....................... Subscription required Leased
Excavator ....................... Subscription required Leased
Loader ....................... Subscription required Leased
Truck (haul) ....................... Subscription required Leased
Truck (haul) ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 21, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
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
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Corporate Presentation 2016
Other 2016
Annual Report 2015
Annual Report 2014
Year-end Mineral Reserves 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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