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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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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • 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 Life17 years (as of Jan 1, 2020)


Owners

Source: p. 7
CompanyInterestOwnership
SCM Minera Lumina Copper Chile SpA (operator) 100 % Direct
JX Nippon Mining & Metals Corp. 100 % Indirect
The Mine is owned and operated by SCM Minera Lumina Copper Chile SpA, which is 100% indirectly owned through subsidiaries by JX Nippon Mining & Metals Corporation

Contractors

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Deposit Type

  • Porphyry


Summary:

Caserones is a copper-molybdenum porphyry deposit geographically located in the high-cordillera of the Chilean Andes at the southern end of the Maricunga mineral belt. Caserones is an EarlyMiocene porphyry system associated with a cluster of dacite porphyries and breccias intruding Palaeozoic granitic, volcanic, and metamorphic rocks, and has a well-developed supergene enrichment profile of oxide copper and secondary chalcocite situated above hypogene chalcopyrite 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.

The oxide zone forms a cap that sits on top of the secondary copper zone in the upper part of the northeast trending ridge that constitutes the northwest margin of the deposit, mostly above 4,400 m, and thinning to a skin of a few metres mo ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Caserones open pit mine is developed upon a significant porphyry copper-molybdenum deposit in the Atacama Region of the northern Chilean Andean Cordillera, 162 kilometers southeast of the city of Copiapó, at an approximate elevation of 4,300 meters above sea level.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityProductUnits202120202019201820172016
Copper Total M lbs  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required
Copper Cathode M lbs  ......  Subscription required  ......  Subscription required637176
Copper Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required238195183
Molybdenum Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2020
Total tonnes mined  ......  Subscription required
Ore tonnes mined  ......  Subscription required
Waste  ......  Subscription required
Stripping / waste ratio  ......  Subscription required
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Reserves at December 31, 2020:

CategoryOreTypeTonnage CommodityGrade
Proven & Probable Heap leach 288 Mt Copper 0.24 %
Proven & Probable Sulphide 604 Mt Copper 0.37 %
Proven & Probable 604 Mt Molybdenum 139 ppm

Financials:

Units20202019
Revenue M USD  ......  Subscription required  ......  Subscription required
Operating Income M USD  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required



Heavy Mobile Equipment as of January 19, 2023:
HME TypeModelSize
Truck (haul) ....................... Subscription required 291 t
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 26, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Other 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
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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