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Chile
Caserones Mine

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 Location:
103 km SE from Copiapo, Chile

  Regional Office:
Av. Copayapu 1359
Copiapo
Chile
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WebsiteWeb
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  • Overview
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  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Copper
  • Molybdenum
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2037
Caserones is an open pit copper-molybdenum mine which produces high-quality copper concentrate, copper cathode and molybdenum concentrate.


Owners

Source: p. 1
CompanyInterestOwnership
JX Metals Corp. 49 % Indirect
Lundin Mining Corp. 51 % Indirect
SCM Minera Lumina Copper Chile SpA (operator) 100 % Direct
The Mine is owned and operated by SCM Minera Lumina Copper Chile SpA.

On July 13, 2023, Lundin Mining Corporation closed the acquisition of fifty-one percent (51%) of the issued and outstanding equity of SCM Minera Lumina Copper Chile, which owns the Caserones copper-molybdenum mine, from JX Metals Corporation and certain of its subsidiaries (collectively, "JX").

Contractors

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Deposit Type

  • Porphyry


Summary:

Deposit Types The porphyry style mineralization at Caserones is a typical Andean porphyry copper/molybdenum deposit. A generic description from Pantaleyev (1995) summarizes the common features of porphyries as large zones of hydrothermally altered rock containing quartz veins and stockworks, sulphide-bearing veinlets, fractures, and lesser disseminations in areas up to 10 km2 in size, commonly coincident wholly or in part with hydrothermal or intrusion breccias and dike swarms. Deposit boundaries are determined by economic factors that outline ore zones within larger areas of low-grade, concentrically zoned mineralization (Amec, 2005). Mineralization The Regalito Deposit strikes SE-NW with a length of approximately 2,000 m and a width of approximately 1,500 m. The oxide and secondary copper zones form a surface-parallel blanket over 1,200 m in diameter with a central “core” of at least 1,000 m in diameter where thicknesses average 300 m and exceed 400 m in the central part. Secondary copper grades within this central area are also slightly elevated above those in the surrounding parts of the deposit. Outboard of this “core” the zone thins, and grades are generally lower, although the enrichment blanket is still open to the southwest. The secondary copper zone has been modeled to approximately 4,000 m in elevation and deeper locally. It is generally coincident with the porphyry intrusive (Amec, 2005). The oxide zone forms a cap that sits on top of the secondary copper zone i ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Caserones mine is a large low-grade copper–molybdenum mine with a low ore to waste strip ratio. It is an operating mine with mature mining practices. Mining is done via open pit using a conventional truck and shovel fleet. The fleet is management via a mine dispatch system. All equipment is manned. The following design parameters were used to generate the pit phases: • ramp width: 35 m total with an effective width of approximately 29 m approx. • maximum ramp slope: 10% • minimum operational width: 50 m • minimum phase width: 90 m except for bench ends • double ramp access to ensure plan operability Production Schedule For the mine plan, a maximum vertical extraction of 10 benches or a maximum movement of 60 Mt ton per year is considered as a restriction for each phase. The concentrator is scheduled at 27.9 Mt in 2023 ramping up to 33.4 Mt by 2027. Oxide material is placed on the dump leach in the period it is mined. Mine Operations Operators work a seven day on seven days off schedule while staff/supervisors work a four day on three days off schedule. Due to the commute from the camp to the mine, days are 14.5 hours including a 12-hour shift, half hour lineout, and two hours of commuting from the camp to the mine. Shifts are scheduled from 8 a.m. to 8 p.m. Shift change takes approximately 20 minutes. The mine averages 15 days of inclement weather a year which varies between 3 and 45 days depending on the year. Blasting and Explosives Orica Chile S.A. provides ........


Crushing and Grinding
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Processing

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Summary:

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^ Guidance / Forecast.

Production:

CommodityProductUnits2023202220212020201920182017
Copper Cathode M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required6371
Copper Concentrate kt  ......  Subscription required ^  ......  Subscription required
Copper Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required238195
Molybdenum Concentrate kt  ......  Subscription required ^
Molybdenum Metal in concentrate t  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Molybdenum Payable metal t  ......  Subscription required ^
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202320222020
Stripping / waste ratio  ......  Subscription required0.47
Ore tonnes mined  ......  Subscription required38.4 Mt
Waste  ......  Subscription required15 Mt
Total tonnes mined  ......  Subscription required59.5 Mt
Tonnes processed  ......  Subscription required
Hourly processing capacity  ......  Subscription required  ......  Subscription required
Daily processing capacity  ......  Subscription required  ......  Subscription required
^ Guidance / Forecast.
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Reserves at December 31, 2022:
Open pit Mineral Resources are reported within cut-off grade is 0.13% CuT.

CategoryTonnage CommodityGradeContained Metal
Proven 144 Mt Copper 0.36 % 518 kt
Proven 144 Mt Molybdenum 0.016 % 13 kt
Probable 706 Mt Copper 0.29 % 2,036 kt
Probable 706 Mt Molybdenum 0.013 % 63 kt
Proven & Probable 850 Mt Copper 0.3 % 2,554 kt
Proven & Probable 850 Mt Molybdenum 0.014 % 76 kt
Measured 173 Mt Copper 0.36 % 617 kt
Measured 173 Mt Molybdenum 0.012 % 21 kt
Indicated 850 Mt Copper 0.3 % 2,532 kt
Indicated 850 Mt Molybdenum 0.01 % 84 kt
Measured & Indicated 1,023 Mt Copper 0.31 % 3,150 kt
Measured & Indicated 1,023 Mt Molybdenum 0.01 % 105 kt
Inferred 121 Mt Copper 0.26 % 317 kt
Inferred 121 Mt Molybdenum 0.012 % 14 kt

Commodity Production Costs:

CommodityUnits20222021202020192018
All-in sustaining costs (AISC) Copper USD  ......  Subscription required
C1 cash costs Copper USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 2.31 / lb†  
† Net of By-Product.
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Financials:

Units202220202019
Sustaining costs M USD  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required
Earnings M USD  ......  Subscription required
EBITDA M USD  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Pipelines and Water Supply
Source: Subscription required

- subscription is required.


Heavy Mobile Equipment:
HME TypeModelSizeQuantityLeased or
Contractor
Ref. Date
Backhoe ....................... Subscription required 1.8 cu. yd ....................... Subscription required Dec 31, 2022
Bulldozer ....................... Subscription required 455 kW ....................... Subscription required Dec 31, 2022
Bulldozer ....................... Subscription required 664 kW ....................... Subscription required Dec 31, 2022
Dozer (crawler) ....................... Subscription required Leased Dec 31, 2022
Dozer (rubber tire) ....................... Subscription required 396 kW ....................... Subscription required Dec 31, 2022
Dozer (rubber tire) ....................... Subscription required 637 kW ....................... Subscription required Dec 31, 2022
Drill ....................... Subscription required ....................... Subscription required Dec 31, 2022
Grader ....................... Subscription required 4.9 m ....................... Subscription required Aug 4, 2023
Grader ....................... Subscription required Leased Dec 31, 2022
Loader (FEL) ....................... Subscription required 50 cu. yd ....................... Subscription required Aug 4, 2023
Loader (mini) ....................... Subscription required ....................... Subscription required Dec 31, 2022
Shovel ....................... Subscription required 38 cu. yd ....................... Subscription required Leased Dec 31, 2022
Shovel (hydraulic) ....................... Subscription required 55 cu. yd ....................... Subscription required Jan 19, 2023
Shovel (rope) ....................... Subscription required 73 cu. yd ....................... Subscription required Aug 4, 2023
Truck (haul) ....................... Subscription required 300 t ....................... Subscription required Aug 4, 2023
Truck (water) ....................... Subscription required Leased Dec 31, 2022
Truck (water) ....................... Subscription required 75000 l ....................... Subscription required Dec 31, 2022
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 8, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 15, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 8, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 15, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 15, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 8, 2023
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Press Release 2023
Other 2022
Technical Report 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
Press Release 2014
Other 2013
Press Release 2013
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